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EP3001923B1 - Élement composite de semelle de chaussure, chaussure le comprenant - Google Patents

Élement composite de semelle de chaussure, chaussure le comprenant Download PDF

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Publication number
EP3001923B1
EP3001923B1 EP15184771.2A EP15184771A EP3001923B1 EP 3001923 B1 EP3001923 B1 EP 3001923B1 EP 15184771 A EP15184771 A EP 15184771A EP 3001923 B1 EP3001923 B1 EP 3001923B1
Authority
EP
European Patent Office
Prior art keywords
composite
shoe sole
sole
barrier material
fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15184771.2A
Other languages
German (de)
English (en)
Other versions
EP3001923A1 (fr
Inventor
Marc Peikert
Stane Nabernik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WL Gore and Associates GmbH
Original Assignee
WL Gore and Associates GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102006010007A external-priority patent/DE102006010007A1/de
Priority claimed from DE202007000667U external-priority patent/DE202007000667U1/de
Application filed by WL Gore and Associates GmbH filed Critical WL Gore and Associates GmbH
Publication of EP3001923A1 publication Critical patent/EP3001923A1/fr
Application granted granted Critical
Publication of EP3001923B1 publication Critical patent/EP3001923B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/12—Special watertight footwear
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/12—Special watertight footwear
    • A43B7/125—Special watertight footwear provided with a vapour permeable member, e.g. a membrane
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures

Definitions

  • the invention relates to a composite shoe sole, footwear constructed therewith and a procedure for the manufacture of such footwear.
  • the aim of the present invention is to make available footwear which has a bottom structure with a particularly high water vapor permeability without impairing its stability too much.
  • Sole structures according to EP 959 704 B1 and WO 2004/028 284 A1 , WO 2005/063069 which have an outsole in favor of a higher water vapor permeability, which, in addition to a number of separate outsole studs, essentially only consists of a peripheral frame for the enclosure of water vapor permeable material, which is intended to protect a membrane above it from the passage of foreign bodies such as small stones, but not particularly so is stable, does not provide the level of stabilization of the sole structure that is desired for many types of footwear.
  • the outsole in the WO 2004/028284 A1 is formed from the peripheral frame and a plurality of outsole studs, which are distributed within the peripheral frame over the underside of the sole.
  • a better stabilization of the shoe bottom structure is according to a sports shoe DE 100 36 100 C1 , the outsole of which is formed from outsole parts with large-area openings, in that the outsole parts are arranged on the underside of a carrier layer made of pressure-resistant plastic, which is provided with grid-like openings at the points which lie above the large-area openings of the outsole parts, and thus how the outsole parts are permeable to water vapor.
  • a membrane is arranged between the backing layer and an inner sole located above it for the purpose of water vapor permeability with through-holes, with which not only water resistance should be achieved with water vapor permeability but which should also prevent small stones which cannot prevent the lattice openings of the backing layer, penetrate the interior of the shoe.
  • the membrane which is easily vulnerable to mechanical influences, should therefore offer protection that it actually needs.
  • the membrane and the protective layer are connected to one another by means of a dot bond, ie by means of an adhesive pattern applied as a dot matrix. Only the area of the membrane that is not covered by adhesive is still available for water vapor transport Available.
  • the membrane and the protective layer form an adhesive bond, which either forms a sole bond with an outsole, which is attached as such to the shaft bottom of the footwear, or forms part of the shaft bottom, to which only one outsole is then to be attached.
  • both outsole layers are provided with perforations of relatively small diameter which are aligned with one another and the protective layer is arranged between the two outsole layers.
  • the membrane is located on the top of this outsole in the finished footwear. Since only the perforation surface portion of this outsole is available for a water vapor passage, only a correspondingly small proportion of the membrane surface can have an effect on the water vapor passage.
  • standing air volumes hinder the transport of water vapor. Such standing air volumes form in the perforations of this outsole and their removal by air circulation through the outsole is impaired by the protective layer.
  • WO 2006/010578 A1 discloses a waterproof and breathable sole for shoes that has a structure that has a bottom layer that has at least one large through opening.
  • a net is arranged above the lower layer, which is essentially arranged such that it overlaps the at least one large through opening.
  • a membrane made of a material that is impermeable to water and permeable to water vapor is associated with the network in an upper region, at least at the large opening.
  • the membrane is at least circumferentially hermetically connected to at least one component of the sole in such a way that the rise of liquids is prevented by the circumference of the large opening.
  • a perforated upper layer is arranged above the membrane.
  • the lower layer is formed over the net and partially encloses it.
  • the invention makes available a water vapor-permeable composite shoe sole according to claim 1 and footwear according to claim 8. Further developments of these objects are specified in the respective dependent claims.
  • a water vapor-permeable composite shoe sole is made available with an upper side, which has at least one opening extending through the thickness of the composite shoe sole.
  • a barrier unit is provided with an upper side which at least partially forms the upper side of the composite shoe sole and with a water-vapor-permeable barrier material designed as a barrier against the pushing of foreign bodies, by means of which the at least one opening is closed in a water-vapor-permeable manner.
  • the barrier material is assigned a stabilization device designed for mechanical stabilization of the composite shoe sole, which is constructed with at least one stabilization web which is arranged on at least one surface of the barrier material and which at least partially crosses at least one opening.
  • At least one outsole part is arranged below the barrier unit.
  • Below the barrier unit means that the at least one outsole part is arranged on the surface of the barrier unit which faces the floor or the ground. This ensures that only the at least one outsole part takes on the function of walking or standing of the composite sole.
  • the at least one outsole part is to be arranged on the barrier unit such that there are no outsole parts in the at least one opening. Since the barrier unit does not, or does not significantly, represent the position in the composite shoe sole that touches the ground, it is possible to optimize it with regard to its stabilizing properties such as rigidity and torsional rigidity. In comparison, the outsole can be optimized with regard to its outsole function, for example a material can be selected with low abrasion and high adhesion.
  • a barrier material is a fiber composite with at least two fiber components that differ in terms of their melting temperature. At least a part of a first fiber component has a first melting temperature and an underlying first softening temperature range and at least a part of a second fiber component has a second melting temperature and an underlying second softening temperature range. The first melting temperature and the first softening temperature range are higher than the second melting temperature and the second softening temperature range.
  • the fiber composite is thermally consolidated due to thermal activation of the second fiber component with an adhesive softening temperature lying in the second softening temperature range while maintaining water vapor permeability in the thermally consolidated region.
  • the melting temperature is understood to mean a narrow temperature range in which the crystalline regions of the polymer or fiber structure melt and the polymer changes into the liquid state. It lies above the softening temperature range and is an essential parameter for partially crystalline polymers.
  • the softening temperature range is understood to mean a temperature range of different bandwidth that occurs before the melting point is reached, but softening does not yet result in melting.
  • This property is used in the case of the barrier material in such a way that the two fiber components of the fiber composite are selected in such a way that the conditions according to the invention with regard to the melting temperatures and softening temperature ranges are fulfilled for the two fiber components, and a temperature is selected for the thermal consolidation which is suitable for the second fiber component represents an adhesive softening temperature at which there is softening of the second fiber component, at which the material has an adhesive effect, in such a way that at least some of the fibers of the second fiber component are thermally bonded to one another by bonding to such an extent that the bond is stabilized Comes fiber composite, which lies above that consolidation, which is achieved in a fiber composite with the same materials for the two fiber components by a purely mechanical consolidation, for example dur ch Needling hardening of the fiber composite.
  • the adhesive softening temperature can also be chosen such that the fibers of the second fiber component are softened to such an extent that not only fibers of the second fiber component are bonded to one another, but also a partial or complete covering of individual points of the fibers of the first fiber composite with softened material of the fibers of the second fiber composite arises, that is to say a partial or complete embedding of such locations of fibers of the first fiber composite in the material of fibers of the second fiber component, which results in a correspondingly increased stabilization strengthening of the fiber composite.
  • the barrier material has a fiber composite with a first fiber component and a second fiber component having two fiber components, the first fiber component having a first melting temperature and an underlying first softening temperature range and a second fiber component of the second fiber component having a second melting temperature and one has a second softening temperature range below, the first melting temperature and the first softening temperature range are higher than the second melting temperature and the second softening temperature range, the first fiber component of the second fiber component has a higher melting temperature and a higher softening temperature than the second fiber component, and the fiber composite as a result of thermal Activation of the second fiber portion of the second fiber component with a second softening temperature Adhesive softening temperature lying in the region is thermally consolidated while maintaining water vapor permeability in the thermally consolidated region.
  • the choice of material is such that the conditions according to the invention with regard to the melting temperatures and softening temperature ranges for the two fiber components and fiber components are met, and a temperature is selected for the thermal consolidation which represents an adhesive softening temperature for the second fiber component of the second fiber component, at which it is too high a softening of this fiber portion of the second fiber component, in which the material has an adhesive effect, in such a way that at least some of the fibers of the second fiber component are thermally bonded to one another by bonding to such an extent that the fiber composite is stabilized, which is above that bond, that you get with a fiber composite with the same Materials for the two fiber components obtained by a purely mechanical consolidation, for example by needling the fiber composite.
  • An embodiment for the second fiber component with two fiber portions of different melting temperature and different softening temperature ranges has fibers with a core-sheath structure in which the core has a higher melting temperature and a higher softening temperature range than the sheath and the thermal consolidation of the fiber composite by suitably softening the sheath he follows.
  • Another embodiment for the second fiber component with two fiber components of different melting temperature and different softening temperature ranges has fibers with side-by-side structure, in which the second fiber component has two fiber components running parallel to one another in the longitudinal direction of the fiber, of which a first one has a higher melting temperature and a higher one Has softening temperature range than the second fiber portion and the thermal consolidation of the fiber composite takes place by suitably softening the second fiber portion.
  • the adhesive softening temperature can be selected such that the second fiber portion of the second fiber component is softened to such an extent that not only is the second fiber portion of the second fiber component bonded to one another, but also a partial or complete covering of individual points of the fibers of the
  • the first fiber component with softened material of the second fiber portion of the second fiber component is created, i.e. a partial or complete embedding of such locations of fibers of the first fiber component in the material of the second fiber portion of the second fiber component, which results in a correspondingly increased stabilization strengthening of the fiber composite.
  • a partial or complete covering not only of individual locations of the fibers of the first fiber component but also of the first fiber component of the second fiber component can occur.
  • the thermal bonding of the fiber composite achieved by using the adhesive softening temperature should be selected so that the fiber composite has sufficient water vapor permeability, i.e. the fiber bonds are always limited to individual bonding points, so that there are sufficient non-bonded areas for water vapor transport.
  • the adhesive softening temperature can be selected depending on the desired requirements of the respective practical embodiment, in particular with regard to the stability properties and the water vapor permeability.
  • the fiber composite achieves a strength on the basis of which it is particularly suitable as a shoe sole composite stabilizing water vapor-permeable barrier material and is therefore suitable for footwear whose shoe bottom is said to have good water vapor permeability on the one hand and good stability on the other hand.
  • barrier material is particularly suitable for a composite shoe sole that is designed to maintain high water vapor permeability with large openings, so that on the one hand it is a barrier material for protecting an overlying membrane against the pushing of foreign bodies such as stones through a such an opening through to the membrane and, on the other hand, additional stabilization is required due to the large-area openings.
  • a barrier material By selecting the Use materials for the at least two fiber components and, through the parameters selected for the thermal consolidation, degrees of freedom, by means of which the degree of the desired stability and the degree of the water vapor stability can be set.
  • the fiber component with the lower melting temperature By softening the fiber component with the lower melting temperature, not only the fibers of this fiber component are fixed against each other, but during the thermal consolidation process, the fibers of the other fiber component with the higher melting temperature are also fixed, which results in particularly good mechanical strengthening and stability of the Fiber composite leads.
  • the ratio between the fibers of the fiber component with the higher melting temperature and the fibers of the fiber component with the lower melting temperature and by choosing the adhesive softening temperature and thus the degree of softening, properties of the barrier material such as air permeability, water vapor permeability and mechanical stability of the barrier material can be adjusted.
  • its fiber composite is a textile fabric, which can be a woven fabric, a knitted fabric, a knitted fabric, a fleece, a felt, a net or a scrim.
  • the fiber composite is a mechanically strengthened fleece, wherein the mechanical strengthening can be achieved by needling the fiber composite.
  • a water jet consolidation can also be used, in which water jets are used instead of real needles for mechanically consolidating the fibers of the fiber composite.
  • the first fiber component is a carrier component and the second fiber component is a strengthening component of the barrier material.
  • the first fiber component of the second fiber component forms an additional carrier component in addition to the first fiber component, the second fiber component of the second fiber component forms the solidification component of the barrier material.
  • the selection of the materials for the fiber components is selected such that at least a part of the second fiber component, and if the second fiber component comprises at least a first fiber component and a second fiber component, at least a part of the second fiber component of the second fiber component in one Temperature in the range between 80 ° C and 230 ° C can be activated for a softening of the adhesive.
  • the second softening temperature range is between 60 ° C and 220 ° C.
  • the first fiber component and possibly the first fiber component of the second fiber component is at a temperature of at least 130 ° C melt-resistant, in practical embodiments a melt resistance at a temperature of at least 170 ° C or even at least 250 ° C is selected by appropriate selection of the material for the first fiber component and optionally for the first fiber portion of the second fiber component.
  • Materials such as natural fibers, plastic fibers, metal fibers, glass fibers, carbon fibers and mixtures thereof are suitable for the first fiber component and optionally the first fiber portion of the second fiber component.
  • leather fibers are a suitable material.
  • the second fiber component and optionally the second fiber portion of the second fiber component is constructed with at least one plastic fiber which is suitable for thermal consolidation at a suitable temperature.
  • At least one of the two fiber components and optionally at least one of the two fiber components of the second fiber component is selected from the group of materials comprising polyolefins, polyamide, copolyamide, viscose, polyurethane, polyacrylic, polybutylene terephthalate and mixtures thereof.
  • the polyolefin can be selected from polyethylene and polypropylene.
  • the first fiber component and optionally the first fiber component of the second fiber component is selected from the material group polyester and copolyester.
  • At least the second fiber component and optionally at least the second fiber portion of the second fiber component is constructed with at least one thermoplastic.
  • the second fiber component and optionally the second fiber component of the second fiber component can be selected from the material group polyamide, copolyamide, polybutylene terephthalate and polyolefins or also from the material group polyester and copolyester.
  • thermoplastics examples include polyethylene, polyamide (PA), polyester (PET), polyethylene (PE), polypropylene (PP) and polyvinyl chloride (PVC).
  • suitable materials are rubber, thermoplastic rubber (TR, from Thermoplastic Rubber) and polyurethane (PU).
  • Thermoplastic polyurethane (TPU) is also suitable, and its parameters (hardness, color, elasticity, etc.) can be set very variably.
  • both fiber components of the second fiber component consist of polyester, the polyester of the second fiber component having a lower melting temperature than the polyester of the first fiber component.
  • At least the second fiber component has a core-sheath structure, i.e. a structure in which a core material of the fiber component is coaxially surrounded by a cladding layer.
  • the first fiber portion which has a higher melting temperature, forms the core and the second fiber portion, which has a lower melting temperature, forms the jacket.
  • At least the second fiber component has a side-by-side structure, ie there are two fiber portions of different material running side by side in the longitudinal direction of the fiber, which each have, for example, a semicircular cross section, placed against one another in such a way that the two fiber components are connected to one another lying side by side.
  • One side forms the first fiber portion with a higher melting temperature and the second side forms the second fiber portion of the second fiber component of the barrier material with a lower melting temperature.
  • the second fiber component has a weight percentage based on the weight per unit area of the fiber composite in the range from 10% to 90%. In one embodiment, the weight percent of the second fiber component is in the range of 10% to 60%. In practical embodiments, the weight percentage of the second fiber component is 50% or 20%.
  • the materials for the two fiber components and, if appropriate, for the two fiber components of the second fiber component are selected such that their melting temperatures differ by at least 20 ° C.
  • the barrier material can be thermally solidified over its entire thickness. Depending on the requirements to be achieved, in particular with regard to air permeability, water vapor permeability and stability, one can choose an embodiment in which only part of the thickness of the barrier material is thermally solidified.
  • the barrier material which has been thermally solidified over at least part of its thickness is additionally pressed to at least one surface by means of pressure and temperature to make it smooth. It can be advantageous to smooth the underside of the barrier material facing the tread of the composite shoe sole by means of surface compression, because then dirt that penetrates through perforations in the composite shoe sole to the underside of the barrier material adheres to it less easily. At the same time, the abrasion resistance of the barrier material increases.
  • the barrier material is treated or treated with one or more agents from the material group of water-repellent agents, dirt-repellent agents, oil-repellent agents, antibacterial agents, anti-odor agents and combinations thereof.
  • the barrier material is water-repellent, dirt-repellent, oil-repellent, antibacterial and / or treated against odor.
  • the barrier material has a water vapor permeability of at least 4,000 g / m 2. 24 h. In practical embodiments, a water vapor permeability of at least 7,000 g / m 2 24 h or even 10,000 g / m 2 24 h is selected.
  • the barrier material is water-permeable.
  • the barrier material has a thickness in the range from at least 1 mm to 5 mm, practical embodiments being in particular in the range from 1 mm to 2.5 mm or even in the range from 1 mm to 1.5 mm, the Specially selected thickness depends on the special purpose of the barrier material and also on which surface smoothness, air permeability, water vapor permeability and mechanical strength you want to provide.
  • the barrier material has a fiber composite with at least two fiber components which differ in terms of their melting temperature and their softening temperature range, a first fiber component consisting of polyester and having a first melting temperature and an underlying first softening temperature range and at least part of one second fiber component has a second melting temperature and an underlying second softening temperature range, the first melting temperature and the first softening temperature range being higher than the second melting temperature and the second softening temperature range.
  • the second fiber component has a core-sheath structure and a first fiber portion made of polyester, which forms the core, and a second fiber portion made of polyester, which forms the sheath, the first fiber portion having a higher melting temperature and a higher softening temperature range than the second Has fiber content.
  • the fiber composite is thermally consolidated as a result of thermal activation of the second fiber component with an adhesive softening temperature lying in the second softening temperature range while maintaining Permeability to water vapor in the thermally consolidated area and the fiber composite is a needled fleece which is pressed on at least one of its surfaces by means of pressure and temperature.
  • the barrier material can be obtained by surface compression of a surface of the fiber composite with a surface pressure in the range from 11.5 N / cm 2 to 4 N / cm 2 at a temperature of a heating plate of 230 ° C. for 10 s.
  • the surface compression of a surface of the fiber composite takes place with a surface pressure of 3.3 N / cm 2 at a temperature of the heating plate of 230 ° C. for 10 s.
  • the barrier material is produced with a puncture resistance in the range from 290 N to 320 N, so that it forms good protection for a waterproof, water-vapor-permeable membrane located thereover against the pushing through of foreign bodies such as small stones.
  • Such a barrier material is thus particularly suitable in a water vapor permeable composite shoe sole as a water vapor permeable barrier layer stabilizing the composite shoe sole and protecting a membrane located thereover.
  • a barrier unit constructed with such a barrier material is therefore particularly suitable for a composite shoe sole according to the invention.
  • the barrier material is assigned at least one stabilizing device for stabilizing the barrier material and thus the composite shoe sole.
  • the barrier material itself is not or not sufficiently designed as a stabilizing material so that the barrier material is stabilized or supported by the stabilizing device.
  • there is an additional stabilization which can be brought about at specific points in the barrier unit, in particular in the area of openings in the composite shoe sole which makes extensive, to provide a high water vapor permeability of the composite shoe soles.
  • the forefoot area and the midfoot area of the composite shoe sole are discussed below.
  • the forefoot is the longitudinal region of the foot that extends over the toes and pads to the beginning of the medial arch and the midfoot is the longitudinal area between the balls and the heel.
  • the forefoot area and the midfoot area mean the longitudinal area of the composite shoe sole over which the forefoot or the midfoot of the wearer of the footwear extends when wearing footwear provided with such a composite shoe sole.
  • the at least one stabilization device is designed such that at least 15% of the area of the forefoot area of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 25% of the area of the forefoot area of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 40% of the area of the forefoot region of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 50% of the area of the forefoot area of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 60% of the area of the forefoot area of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 75% of the area of the forefoot area of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 15% of the area of the midfoot region of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed in such a way that at least 25% of the area of the midfoot area of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 40% of the area of the midfoot area of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 50% of the area of the midfoot area of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 60% of the area of the midfoot area of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 75% of the area of the metatarsal region of the composite shoe sole is permeable to water vapor.
  • the stabilization devices of the midfoot area leading to the different percentages given above can each be combined with the individual stabilization devices of the forefoot area leading to the different percentages given above.
  • the at least one stabilization device is designed such that at least 15% of the front half of the longitudinal extension of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 25% of the front half of the longitudinal extension of the composite shoe sole is permeable to water vapor.
  • the at least one stabilizing device is designed such that at least 40% of the front half of the longitudinal extension of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 50% of the front half of the longitudinal extension of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 60% of the front half of the longitudinal extension of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 75% of the front half of the longitudinal extension of the composite shoe sole is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 15% of the longitudinal extent of the composite shoe sole minus the heel area is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 25% of the longitudinal extent of the composite shoe sole minus the heel area is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 40% of the longitudinal extent of the composite shoe sole minus the heel area is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 50% of the longitudinal extension of the composite shoe sole minus the heel area is permeable to water vapor.
  • the at least one stabilization device is designed such that at least 60% of the longitudinal extent of the composite shoe sole minus the heel area is permeable to water vapor.
  • the at least one stabilizing device is designed such that at least 75% of the longitudinal extent of the composite shoe sole minus the heel area is permeable to water vapor.
  • the percentages given above in connection with the water vapor permeability relate to that part of the entire composite shoe sole which corresponds to the area within the outer contour of the foot sole of the wearer of the footwear, i.e. essentially to that area part of the composite shoe sole which in the finished footwear corresponds to the inner circumference of the shoe sole-side lower shaft end (sole-side shaft contour) is surrounded.
  • the percentages mentioned therefore relate to the forefoot area to the part of the area enclosed by the sole contour of the sole on the forefoot length and to the area enclosed by the sole contour to the midfoot length to the area enclosed by the sole contour of the sole.
  • the footwear under consideration is, for example, business shoes, the outsole of which has a circumferential edge of the outsole that projects relatively far beyond the outside of the sole contour of the sole, which is, for example, sewn firmly to a mounting frame that also runs around the outside of the contour of the sole on the outsole, in the area of this edge of the outsole there is no water vapor permeability, since this area is located outside the part of the composite shoe sole that is entered by the foot and therefore there is no perspiration in this area.
  • the percentages given in the preceding paragraphs refer to footwear that does not have the protruding outsole edge that is typical for business shoes.
  • this outsole area of a business shoe can make up about 20% of the total outsole area, you can use business shoes Subtract about 20% of the total outsole area and refer to the above percentages for the water vapor permeability of the composite shoe sole to the remaining about 80% of the total outsole area.
  • the stabilization device can consist of one or more stabilization webs which are arranged, for example, on the outsole-side underside of the barrier material.
  • the stabilization device is provided with at least one opening, which forms at least part of the opening after the shoe sole composite has been created and is closed with barrier material.
  • the percentages of water vapor permeability specified above in the forefoot area and / or in the midfoot area are achieved predominantly or even exclusively in the area of the at least one opening of the stabilization device.
  • the barrier material in the opening or in at least one of the openings is assigned at least one support element which extends from the side of the barrier material facing the tread to the level of the tread, such that the barrier material extends over the support element when it is running supported on the floor being walked on.
  • At least one of the stabilizing webs can be designed as a support element at the same time.
  • the through openings of the outsole or outsole parts and the barrier unit can have the same or different surface area. It is important that these through openings at least partially overlap, a cut surface of the respective through opening of the barrier unit and the respective through opening of the outsole or the respective outsole part forming an opening through the entire composite shoe sole.
  • the extent of the opening is greatest when the associated passage opening of the barrier unit is at least is the same size and extends over the entire extent of the associated through opening of the outsole or outsole part, or vice versa.
  • the stabilization device with the at least one stabilization web is not part of the at least one outsole part. This means that the stabilization device and in particular the at least one stabilization bar do not perform an outsole function.
  • the stabilization device with the at least one stabilization web is at a distance from a floor or subsoil.
  • the composite shoe sole with its outsole is intended for running and standing on a floor or surface.
  • the at least one stabilizing web is located in the composite shoe sole above the floor or ground, and a certain distance is provided between the stabilizing web and the floor. In one embodiment, the distance corresponds to the thickness of the at least one outsole part, which is arranged below the barrier unit.
  • the at least one stabilizing web is at a distance from a floor or subsurface applies when a stabilizing web is simultaneously formed as a supporting element which extends to the floor or subsurface.
  • the outsole part has a first material and the stabilization device has a second material which is different from the first material, the second material being harder (according to Shore) than the first material.
  • Hardness is understood to mean the mechanical resistance that a body opposes to the penetration of another, harder body.
  • the stabilization device is provided with a plurality of openings, these can either be closed in total with a piece of the barrier material or each with a piece of the barrier material.
  • the stabilizing device can be designed in the shape of a sole if it is to extend over the entire surface of the composite shoe sole, or in the shape of a sole if it is to be provided only in part of the composite surface of the shoe sole.
  • the stabilizing device of the barrier unit has at least one stabilizing frame that stabilizes at least the composite shoe sole, so that the composite shoe sole is additionally stabilized by the barrier material in addition to the stabilizing effect.
  • a particularly good stabilizing effect is achieved if the stabilizing frame is fitted into the at least one opening or at least one of the openings in the composite shoe sole, so that where the composite shoe sole has initially been weakened in its stability by the largest possible openings, with the aid of the stabilizing frame nevertheless a good stabilization of the composite shoe soles is ensured.
  • the at least one opening of the stabilization device has an area of at least 1 cm 2 .
  • an opening area of the at least one opening of at least 5 cm 2 for example in the range of 8-15 cm 2 or even at least 10 cm 2 or even at least 20 cm 2 or even at least 40 cm 2, is selected.
  • the stabilization device has at least one stabilization web, which is arranged on at least one surface of the barrier material and at least partially crosses the surface of the at least one opening. If the stabilization device is provided with a stabilization frame, the stabilization web can be arranged on the stabilization frame.
  • a plurality of stabilizing webs can be provided which form a lattice-like structure on at least one surface of the barrier material. Such a lattice structure leads to a particularly good stabilization of the composite shoe sole, on the one hand, and can also prevent larger foreign objects such as larger stones or elevations from pushing themselves down to the barrier material and being felt by the user of the footwear equipped with such a barrier unit when they occur.
  • the stabilization device of the barrier unit of the composite shoe sole according to the invention is constructed with at least one thermoplastic.
  • Thermoplastic materials of the type already mentioned above can be used for this.
  • the stabilization device and the barrier material are at least partially connected to one another, for example by gluing, welding, injection molding, overmolding, vulcanizing and vulcanizing.
  • gluing welding
  • injection molding overmolding
  • vulcanizing vulcanizing
  • vulcanizing vulcanizing
  • vulcanizing vulcanizing
  • vulcanizing vulcanizing
  • the barrier material is predominantly encircled with the stabilizing device.
  • the composite shoe sole is water-permeable.
  • the invention provides footwear with a composite shoe sole according to the invention, which can be constructed, for example, in accordance with one or more of the embodiments previously mentioned in connection with the composite shoe sole.
  • the footwear has a shaft that is provided with a waterproof and water-vapor-permeable shaft bottom functional layer on a sole end area of the shaft, the composite shoe sole having that with the shaft bottom function layer
  • the provided shaft end area is connected in such a way that the shaft bottom functional layer is not connected to the barrier material at least in the area of the at least one opening in the composite shoe sole.
  • the shoelace functional layer and the barrier material are not housed in the same composite but are divided between the upper and the bottom of the shoe and the sole of the shoe, they can be kept essentially unconnected even after fastening the composite of the sole of the shoe to the lower end area of the shaft, since their positioning relative to one another in the finished Footwear is accomplished by fastening (by gluing or injection molding) the composite shoe sole to the lower end of the shaft.
  • fastening by gluing or injection molding
  • the upper is constructed with at least one upper material that has a waterproof upper functional layer at least in the region of the sole-side upper end region, a waterproof seal being present between the upper functional layer and the upper base functional layer.
  • the shaft bottom functional layer is assigned to a water vapor permeable shaft mounting sole, wherein the shaft bottom functional layer can be part of a multi-layer laminate.
  • the shaft mounting sole can itself also be formed by the shaft bottom functional layer built up with the laminate.
  • the shaft bottom functional layer and optionally the shaft functional layer can be formed by a waterproof, water vapor-permeable coating or by a waterproof, water vapor-permeable membrane, which can either be a microporous membrane or a membrane having no pores.
  • the membrane comprises stretched polytetrafluoroethylene (ePTFE).
  • Suitable materials for the waterproof, water vapor-permeable functional layer are in particular polyurethane, polypropylene and polyester, including polyether esters and their laminates, as described in the publications US-A-4,725,418 and US-A-4,493,870 are described.
  • stretched microporous polytetrafluoroethylene ePTFE
  • ePTFE stretched microporous polytetrafluoroethylene
  • a microporous functional layer is understood to mean a functional layer whose average pore size is between approximately 0.2 ⁇ m and approximately 0.3 ⁇ m. Pore size can be measured using the Coulter Porometer (trade name) manufactured by Coulter Electronics, Inc., Hialeath, Florida, USA.
  • the invention makes available a method for the production of footwear which, in addition to a water-vapor-permeable composite shoe sole, for example in accordance with one or more of the embodiments specified above for the composite shoe sole, has a shaft which has a waterproof and water-vapor-permeable shaft bottom functional layer on a sole end region is provided.
  • the composite shoe sole and the upper are provided.
  • the shaft is provided with a waterproof and water vapor-permeable shaft bottom functional layer on the sole end region of the shaft.
  • the composite shoe soles and the one with the shaft bottom functional layer provided sole-side shaft end areas are connected to one another in such a way that the shaft bottom functional layer remains unconnected to the barrier material at least in the area of the at least one opening.
  • the shaft end region on the sole side is closed with the shaft bottom functional layer.
  • the shaft is provided with a shaft functional layer, a watertight connection is established between the shaft functional layer and the shaft bottom functional layer. This leads to fully waterproof and water vapor permeable footwear.
  • the embodiment of the barrier material shown consists of a fiber composite 1 in the form of a thermally bonded and thermally bonded fleece.
  • This fiber composite 1 consists of two fiber components 2, 3, which are each constructed, for example, with polyester fibers.
  • a first fiber component 2, which serves as the carrier component of the fiber composite 1 has a higher melting temperature than the second fiber component 3, which serves as a strengthening component.
  • polyester polymers that have different melting temperatures and softening temperatures below them.
  • a polyester polymer with a melting temperature of approximately 230 ° C. is selected for the first component, while a polyester polymer with a melting temperature of approximately 200 ° C. is selected for at least one fiber portion of the second fiber component 3.
  • the core 4 of this fiber component consists of a polyester with a softening temperature of approximately 230 ° C. and the sheath of this fiber component consists of polyester with an adhesive softening temperature of about 200 ° C ( Figure 2b ).
  • Such a fiber component with two fiber components of different melting temperatures is also referred to as "Bico" for short. This short term will also be used below.
  • the fibers of the two fiber components are each staple fibers with the special properties mentioned above.
  • the weight fraction of the first fiber component is about 50%.
  • the weight fraction of the second fiber component is also about 50% based on the weight per unit area of the fiber composite.
  • the fineness of the first fiber component is 6.7 dtex, whereas the second fiber component, which is designed as a bico, has a higher fineness of 4.4 dtex.
  • the fiber components present as staple fibers are first mixed. Then several individual layers of this staple fiber mixture are placed on top of one another in the form of several individual nonwoven layers until the desired weight per unit area for the fiber composite is reached, whereby a nonwoven package is obtained.
  • This fleece package has very little mechanical stability and therefore has to go through some consolidation processes.
  • the nonwoven package is mechanically consolidated by needling by means of needle technology, with needle bars arranged in a needle matrix penetrating the nonwoven package perpendicular to the plane of extent of the nonwoven package.
  • needle bars arranged in a needle matrix penetrating the nonwoven package perpendicular to the plane of extent of the nonwoven package.
  • fibers of the nonwoven package are reoriented out of their original position in the nonwoven package, resulting in entanglement of fibers and a more stable mechanical structure of the nonwoven package.
  • a nonwoven material mechanically consolidated by such needling is schematically shown in Figure 1 shown.
  • the fiber composite according to the invention is treated further. Thereby thermal energy and pressure are used.
  • the advantageous composition of the fiber mixture is used, a temperature being selected for the thermal consolidation of the fiber mixture such that it melts at least in the range of the softening temperature of the adhesive at a lower melting temperature
  • the jacket of the core-jacket bico lies in order to soften the viscous state to such an extent that the fiber components of the first fiber component, which are close to the softened mass of the jacket of the respective bico, can be partially enclosed in this viscous mass.
  • the two fiber components are permanently connected to one another without changing the basic structure and structure of the fleece.
  • the advantageous properties of this fleece can continue to be used, in particular its good water vapor permeability, combined with a permanent mechanical stabilizing property.
  • thermally bonded fleece is shown in a schematic representation in Figure 2 shown, wherein in Figure 2a a detailed view of a detail is shown on a greatly enlarged scale, in which adhesive connection points between individual fibers are represented by flat black spots, and Figure 2b shows an area of this detail on an even larger scale.
  • thermal surface compression can also be carried out on at least one surface of the nonwoven material by simultaneously exposing this nonwoven material surface to pressure and temperature, for example by means of heated press plates or press rolls. The result is an even stronger consolidation than in the remaining volume of the nonwoven material and a smoothing of the thermally pressed surface.
  • a fleece which is first mechanically consolidated by needling, then thermally consolidated and finally thermally surface-pressed on one of its surfaces is in Figure 3 represented schematically.
  • comparison table various types of material, including barrier material according to the invention, are compared with regard to some parameters.
  • Sole split leather, two only needle-bonded fleece materials, a needle-bonded and thermally bonded fleece and finally a needle-bonded, thermally bonded and thermally surface-pressed fleece are considered, whereby these materials are assigned in the comparison table to simplify the following consideration of the comparison table material numbers 1 to 5.
  • the longitudinal expansion values and the transverse expansion values show the percentage by which the respective material expands when it is subjected to an expansion force of 50 N, 100 N or 150 N, respectively.
  • the lower this longitudinal or transverse expansion the more stable the material and the more suitable it is as a barrier material. If the respective material is used as a barrier material to protect a membrane against the pushing through of foreign bodies such as stones, the puncture resistance is important. Also important for the use of the respective material in a composite shoe sole is the abrasion resistance, called abrasion in the comparison table.
  • the comparison table shows that split split leather has a high tear resistance, a relatively good resistance to tensile forces and a high puncture resistance, but that it only has a moderate abrasion resistance with wet samples and in particular a fairly moderate water vapor permeability.
  • the only needle-bonded nonwoven materials are relatively light and have a high water vapor permeability value compared to leather, but have a relatively low resistance to stretching forces, have only a low puncture resistance and have only moderate abrasion resistance.
  • the needle-bonded and thermally bonded fleece (material 4) has a lower basis weight than materials 2 and 3, and is therefore more compact.
  • the water vapor permeability of material 4 is higher than that of material 2 and approximately the same as that of material 3, but almost three times as large as that of leather according to material 1.
  • the longitudinal and transverse expansion resistances of material 4 are significantly higher than that of only needle-bonded nonwoven materials 2 and 3, and the longitudinal and transverse load until tearing is also significantly higher than that of materials 2 and 3.
  • Substantially higher than materials 2 and 3 are puncture resistance and abrasion resistance.
  • the water vapor permeability of material 5 is still higher than that of material 4.
  • material 5 is also superior to material 4, since it does not show any stretching when the longitudinal and transverse expansion forces of 50 N to 150 N are used.
  • the tensile strength is higher with regard to longitudinal loading and lower than that of material 4 with regard to transverse loading.
  • the puncture resistance is somewhat lower than that of material 4, which is caused by the reduced thickness of material 5.
  • Material 5 has a particular superiority over all materials 1 to 4 with regard to the abrasion resistance.
  • the comparison table thus shows that if the barrier material is dependent on high water vapor permeability, high dimensional stability and thus stabilizing effect and high abrasion resistance, material 4, in particular material 5, is particularly well suited.
  • the needle-bonded and thermally bonded nonwoven which already has very good stabilization, is subsequently subjected to a hydrophobization equipment, for example by dipping in a liquid which brings about hydrophobization, in order to minimize suction effects of the nonwoven material.
  • a hydrophobization equipment for example by dipping in a liquid which brings about hydrophobization, in order to minimize suction effects of the nonwoven material.
  • the fleece is dried under the influence of heat, the hydrophobic property of the applied equipment also being further improved.
  • the fleece passes through a calibration plant, the final thickness of, for example, 1.5 mm being set.
  • the fleece is then again subjected to temperature and pressure in order to remelt the meltable fiber components, namely in the jacket of the bico of the second fiber component, on the surface of the fleece and with the help of pressure applied at the same time against a very high pressure to press smooth surface.
  • This is done either with suitable calendering devices or by means of a heated press unit, whereby a separating material layer, which is for example silicone paper or Teflon, can be inserted between the fleece and the heated press plate.
  • the surface smoothing by thermal surface compression is carried out only on one surface or on both surfaces of the nonwoven material.
  • the nonwoven fabric produced in this way has a high stability against tearing load and has a good puncture resistance, which is important when using the material as a barrier material to protect a membrane.
  • the material 5 described above represents a first embodiment of the barrier material used according to the invention, in which both fiber components consist of polyester, both fiber components have a weight percentage of 50% of the total fiber composite, and the second fiber component is a polyester core-jacket fiber is of the bico type.
  • Barrier material in which both fiber components consist of polyester and each have a weight percentage of 50% of the entire fiber composite and the second fiber component is a side-by-side type polyester bico.
  • the barrier material according to embodiment 2 is produced in the same way and has the same properties as the barrier material according to embodiment 1 with a bico-fiber of the core-sheath type.
  • Barrier material in which both fiber components have a weight percentage of 50% each and the first fiber component consists of polyester and the second fiber component consists of polypropylene.
  • a bicomponent fiber is used as the second fiber component, not a bico.
  • the polyester fiber with a melting point of approximately 230 ° C
  • the polypropylene fiber with a weight fraction of also 50% has a lower melting point of approximately 130 ° C and thus the adhesive strengthening component represents.
  • the manufacturing process is otherwise the same as in embodiment 1.
  • the nonwoven fabric according to embodiment 3 has a lower thermal stability, but can also be produced using lower temperatures.
  • Barrier material with a share of 80% polyester as the first fiber component and a polyester core-jacket bico as the second fiber component.
  • production takes place again as in exemplary embodiment 1, but with the difference that the proportion of the second fiber component forming the strengthening component is changed.
  • Their weight fraction is only 20% compared to 80% of the weight that is formed by the higher melting first fiber component.
  • the proportionate reduction in the strengthening component reduces the stabilizing effect of the barrier material obtained. This can be advantageous if a fleece with high mechanical durability combined with increased flexibility is required.
  • the temperature resistance of this fleece corresponds to that of the first embodiment.
  • Figure 4 shows a partial cross section through a composite shoe sole 21 with an outer sole 23 and an overlying shoe stabilizing device 25 before this composite shoe sole 21 is provided with a barrier material.
  • the outsole 23 and the shoe stabilization device 25 each have through openings 27 and 29, which overall form an opening 31 through the total thickness of the composite shoe sole 21.
  • the opening 31 is thus formed by the intersection of the two through openings 27 and 29.
  • Barrier material 33 (not shown) placed in the through opening 29 or arranged above this.
  • Figure 5 shows an example of a barrier unit 35 with a piece of barrier material 33 which is enclosed by a stabilization device 25.
  • the stabilization device is sprayed around or molded onto a peripheral region of the piece of barrier material 33 such that the material of the stabilization device 25 penetrates into the fiber structure of the barrier material 33 and cures there and forms a firm bond.
  • Thermoplastic polyurethane (TPU), for example, is suitable as the material for the encapsulation of the stabilization device or the injection molding onto the stabilization device, which leads to a very good edging of the barrier material and bonds well with it.
  • the barrier material 33 is glued to the stabilization device 25.
  • the stabilization device 25 preferably has a stabilization frame that stabilizes at least the composite shoe sole 21 and at least one stabilization web 37 that is arranged on a surface of the barrier material 33.
  • the at least one stabilizing web 37 is preferably arranged on an underside of the barrier material 33, which is directed towards the outsole.
  • Figure 6 shows a barrier unit 35, in which a piece of barrier material 33 is enclosed by a stabilization device 25 in the sense that the edge region of the barrier material 33 is not only surrounded by the stabilization device 25, but is also overlapped on both surfaces.
  • Figure 7 shows a barrier unit 35, in which a piece of barrier material 33 is provided with a stabilizing device 25 in the form of at least one stabilizing web 37.
  • the stabilizing web 37 is arranged on at least one surface of the barrier material 33, preferably on the surface facing downward toward the outsole 23.
  • Figure 8 shows a barrier unit 35 in which a piece of barrier material 33 is provided with a stabilizing device 25 such that the barrier material 33 is attached to at least one surface of the stabilizing device 25.
  • the barrier material 33 covers the through opening 29.
  • the stabilizing web 37 is located within the through opening 29 of the stabilizing device 25.
  • Figure 9 shows a composite shoe sole 21 according to FIG Figure 4 which according to a barrier unit above the outsole 23 Figure 5 has, wherein only a stabilizing web 37 is shown.
  • the connecting material not only adheres to the surfaces to be connected, but penetrates into the fiber structure and hardens there when sprayed, extrusion-coated or glued between the barrier material 33 and the stabilizing device 25.
  • the fiber structure is thus additionally reinforced in its connection area.
  • FIG. 10 and 11 Two embodiments of stabilization web patterns of stabilization webs 37 applied to a surface of the barrier material 33 are shown. While in the case of Figure 10 On a circular surface 43, for example the underside of the barrier material 33, which corresponds, for example, to an opening in the composite shoe sole 21, three individual webs 37a, 37b and 37c are arranged in a T-shaped mutual arrangement, for example by gluing to the underside of the barrier material, in the case of Figure 11 a stabilizing web device in the form of a stabilizing grid 37d is provided.
  • Figure 12 shows a perspective oblique view from below of an embodiment of a shoe 101 according to the invention with a shaft 103 and a composite shoe sole 105 according to the invention.
  • the shoe 101 has a forefoot area 107, a metatarsal area 109, a heel area 111 and a foot insertion opening 113.
  • the shoe sole composite 105 has on its underside a multi-part outsole 117, which has an outsole part 117a in the heel area, an outsole part 117b in the ball area and an outsole part 117c in the toe area of the composite shoe sole 105.
  • outsole parts 117 are attached to the underside of a stabilization device 119, which has a heel area 119a, a midfoot area 119b and a forefoot area 119c.
  • the composite shoe sole 105 will be explained in more detail with reference to the following figures.
  • Additional components of the composite shoe sole 105 can be damping sole parts 121a and 121b, which are applied in the heel area 111 and in the forefoot area 107 on the upper side of the stabilization device 119.
  • the outsole 117 and the stabilization device 119 each have through openings which form openings through the composite shoe sole. These openings are covered by barrier material parts 33a-33d in a water vapor permeable manner.
  • Figure 13a shows the shoe 101 according to Figure 12 in a manufacturing stage in which the upper 103 and the shoe sole compound 105 are still separated from one another.
  • the shaft 103 is provided on its sole-side lower end region with a shaft bottom 221, which has a waterproof, water vapor-permeable shaft bottom functional layer, which can be a waterproof, water vapor-permeable membrane.
  • the functional layer is preferably part of a multi-layer functional layer laminate which, in addition to the functional layer, has at least one support layer, for example a textile backing, as processing protection.
  • the shaft base 115 can be provided with a shaft mounting sole. But there is also the possibility of assigning the function of a shaft mounting sole to the functional layer laminate.
  • the composite shoe soles further shows that in Figure 8 mentioned openings 31, which are covered with barrier material parts 33a-33d.
  • the webs 37 are shown within the peripheral edge of the respective openings.
  • three openings or two openings or one opening can be provided.
  • more than four openings are provided.
  • the shoe sole composite 105 can be attached to the sole end of the shaft either by injection or by gluing, in accordance with the state Figure 12 to manufacture.
  • Figure 13b shows the same shoe construction as in Figure 13a , with the difference that the shoe in Figure 13a has four openings 31, while the shoe after Figure 13b is equipped with two openings 31. It can be seen here that the webs 37 are arranged within the peripheral edge of the respective opening 31 and do not form a boundary of the opening 31. The area of an opening is determined minus the total area of the webs crossing it, since this web area blocks the water vapor transport.
  • Figure 14 shows a composite shoe sole 105 with an upper side remote from the outsole 117.
  • the stabilization device 119 On the upper side remote from the outsole 117, the stabilization device 119 is covered in its central region 119b and in its forefoot region 119c with several pieces 33a, 33b, 33c and 33d of a barrier material 33, with which in FIG Figure 14 Openings of the composite shoe sole 105 which are not visible are covered.
  • a damping sole part 121a or 121b is applied to the top of the stabilization device 119, in the heel area essentially over the entire area and in the forefoot area with recesses where the barrier material parts 33b, 33c and 33d are located.
  • the outsole parts of the outsole 117, the stabilization device 119 and the damping sole parts 121a and 121b have different functions within the composite shoe sole, they are expediently also constructed with different materials.
  • the outsole parts which are said to have good abrasion resistance, consist for example of a thermoplastic polyurethane (TPU) or rubber.
  • Thermoplastic polyurethane is the generic term for a large number of different polyurethanes, which can have different properties.
  • a thermoplastic polyurethane with high stability and slip resistance can be selected for an outsole.
  • the cushioning sole parts 121a and 121b which are intended to provide shock absorption for the foot movements of the shoe user, consist of a correspondingly resilient material, for example ethylene-vinyl acetate (EVA) or polyurethane (PU).
  • EVA ethylene-vinyl acetate
  • PU polyurethane
  • the stabilization device 119 which for the non-contiguous outsole parts 117a, 117b, 117c and for the likewise Non-contiguous damping sole parts 121a, 121b serves as a holder and for the entire shoe sole bandage 105 as a stabilizing element and should have a corresponding elastic rigidity, for example consists of at least one thermoplastic.
  • thermoplastics examples include polyethylene, polyamide, polyamide (PA), polyester (PET), polyethylene (PE), polypropylene (PP) and polyvinyl chloride (PVC).
  • suitable materials are rubber, thermoplastic rubber (TR, from Thermoplastic Rubber) and polyurethane (PU). Thermoplastic polyurethane (TPU) is also suitable.
  • the in Figure 14 shown shoe sole composite is in Figure 15 shown in an exploded view, ie in a view in which the individual parts of the composite shoe sole 105 are shown separately from one another, with the exception of the barrier material parts 33a, 33b, 33c and 33d, which are shown as already arranged on the stabilizer parts 119b and 119c.
  • the stabilization device 119 has its parts 119a, 119b and 119c as initially separate parts which are connected to one another to form the stabilization device 119 during the assembly of the shoe sole assembly 105, which can be done by welding or gluing the three stabilization device parts together.
  • FIG. 16 As related to Figure 16 will be explained, are below the barrier material parts openings, which together with openings 123a, 123b and 123c in the outsole parts 117a, 117b and 117c openings 31 of FIG Figure 4 Form already explained type and are covered with the barrier material parts 33a-33d in a water vapor permeable manner.
  • a through opening 125 in the heel part 119a of the stabilization device 119 is not closed with barrier material 33, but with the full-surface damping sole part 121a. This achieves a better damping effect of the composite shoe sole 105 in the heel area of the shoe, where sweat moisture removal may be less necessary under certain circumstances, since foot sweat mainly forms in the forefoot and midfoot area, but not in the heel area.
  • the damping sole part 121b is provided with through openings 127a, 127b and 127c, which are dimensioned such that the barrier material parts 33b, 33c, 33d within a bordering edge 129a, 129b and 129c of the stabilizing device part 119c in the through openings 127a, 127b and 127c, respectively can be included.
  • no damping sole part 121 is provided.
  • the parts of the stabilization device 119a, 119b and 119c have a flat surface without a boundary edge 129a, 129b, 129c, so that the barrier material 33 is placed flush with the surface of the stabilization device in its openings.
  • the composite sole is formed only by the barrier unit, made up of barrier material 33 and stabilizing device 119, and the outsole.
  • Openings 135a, 135b, 135c and 135d can also be seen in the stabilizing device parts 119b and 119d, which are covered with the associated barrier material part 33a, 33b, 33c and 33d in a water vapor-permeable manner, with which the openings 31 ( Figure 4 ) of the shoe sole composite 105 are closed in a water vapor permeable manner.
  • the barrier material parts are arranged such that their smooth surface faces the outsole.
  • the openings 135a to 135d are each bridged by a stabilizing grid 137a, 137b, 137c and 137e, which each form a stabilizing structure in the region of the associated opening of the stabilizing device 119.
  • these stabilizing grids 137a-137e act against the penetration of larger foreign objects up to the barrier material 33 or even further, which could be felt uncomfortably by the user of the shoe.
  • connecting elements 139 provided at the axial ends of the stabilizer part 119b on the midfoot side, which overlap when the stabilizer 119 is assembled from the three stabilizer parts 119a to 119c on the upper sides of the stabilizer parts 119a and 119c facing away from the outsole attachment side come to rest to be fastened there, for example by welding or gluing.
  • Figure 17 shows in opposite Figure 16 enlarged representation of the two stabilizer parts 119a and 119b before they are attached to one another, the openings 135b to 135d of the forefoot-side stabilizer part 119c and the stabilizing grid structures located therein being particularly clearly visible.
  • the middle stabilizing device part 119b shows frame and grid parts bent up on the long sides.
  • the piece of barrier material 33a to be placed on the stabilizing device part 119b is provided on its longitudinal sides with correspondingly bent-up side wings 141. These bent-up parts of both the shoe stabilization part 119b and the barrier material piece 33a allow adaptation to the shape of the lateral metatarsal flanks.
  • the remaining barrier material parts 33b to 33d are essentially flat, corresponding to the essentially flat design of the stabilizer device part 119c on the forefoot side.
  • the at least one opening 135a-135d of the stabilization device 119b and 119c is delimited by the frame 147 of the stabilization device 119 and not by the webs 37 present in the openings 135a-135d.
  • Limiting edges 129a-129c shown in this embodiment form part of the respective frame 147.
  • FIGS Figures 18 and 19 A further modification of the barrier unit part provided for the midfoot area with the stabilization device part 119b and the barrier material part 33a is shown in FIGS Figures 18 and 19 shown in Figure 18 in the fully assembled state and in Figure 19 while these two parts are still separate.
  • the stabilizing device part 119b provided for the midfoot area is provided with an opening and a stabilizing grating 137a located only in the middle area, while the two wing parts 143 on the long sides of the stabilizing device part 119b are continuous, ie do not have an opening, but are only provided with stabilizing ribs 145 on their underside.
  • the piece of barrier material 33a provided for this barrier unit part is narrower than in the variants of FIG Figures 18 to 19 because it is not the side wings 141 according to the Figure 17 needed.
  • FIG Figures 20 to 27 Embodiments and details of inventive footwear explained, which is constructed with a composite shoe sole according to the invention.
  • the show Figures 20 , 22 and 23 an embodiment of the footwear according to the invention, in which the shaft bottom has a shaft mounting sole and additionally a functional layer laminate
  • the Figures 24 and 25 show an embodiment of footwear according to the invention, in which a shaft bottom functional layer laminate 237 simultaneously takes over the function of a shaft mounting sole 233.
  • the Figure 26 shows a further embodiment of the composite shoe sole 105.
  • the two embodiments shown have the shoe 101 in accordance with the Figures 12 and 13a-b a shaft 103, which has an outer upper material layer 211, an inner lining layer 213 and a waterproof, water-vapor-permeable shaft functional layer layer 215, in the form of a membrane, for example.
  • the shaft functional layer layer 215 can be present in combination with the lining layer 213 as a 2-layer laminate or as a 3-layer laminate, the shaft function layer layer 215 being embedded between the lining layer 213 and a textile side 214.
  • the upper shaft end 217 is dependent on whether the cutting plane the one in the Figures 20 and 24th cross-sectional view shown is in the forefoot area or in the midfoot area, closed or to the foot insertion opening 113 ( Figure 12 ) open.
  • the shaft 103 On the sole-side shaft end region 219, the shaft 103 is provided with a shaft bottom 221, with which the lower end of the shaft 103 on the sole side is closed.
  • the shaft base 221 has a shaft mounting sole 233 which is connected to the sole-side shaft end region 219, which in the embodiments according to FIGS Figures 20 to 25 happens by means of a strobe seam 235.
  • a shaft bottom functional layer laminate 237 is provided, which is arranged below the shaft mounting sole 233 and extends beyond the circumference of the shaft mounting sole 233 into the sole-side shaft end region 219.
  • the shaft bottom functional layer laminate 237 can be a 3-layer laminate, the shaft bottom functional layer 248 is embedded between a textile backing and another textile layer. It is also possible to provide the shaft bottom functional layer 247 only with the textile backing.
  • the sole end region 219 of the upper material layer 211 is shorter than the functional layer layer 215, so that there is a protrusion of the functional layer layer 215 from the upper material layer 211 and exposes the outer surface of the functional layer layer 215 there.
  • a net tape 241 or another material penetrable for sealing material is arranged between the sole-side end 238 of the upper material layer 211 and the sole-side end 239 of the shaft functional layer layer 215, the longitudinal side of which lies away from the strobe seam 235 by means of a first seam 243 is connected to the sole-side end 238 of the upper material layer 211, but not to the shaft functional layer layer 215, and its longitudinal side facing the strobe seam 235 is connected by means of the strobe seam 235 to the sole-side end 239 of the shaft functional layer layer 215 and to the shaft mounting sole 233.
  • the net tape 241 is preferably made of a monofilament material so that it has no water conductivity.
  • the mesh tape is preferably used for molded soles. If the sole composite is attached to the shaft by means of adhesive, instead of the net tape, the end 238 of the upper material layer 211 on the sole side can be attached to the lasting function layer laminate by means of adhesive 249 ( Figure 22 ).
  • a sealing material 248 is arranged between the upper floor function layer laminate 237 and the sole-side end 239 of the upper functional layer layer 215, by means of which a waterproof connection between the sole-side end 239, the upper functional layer 215 and the peripheral region 245 of the shaft bottom functional layer laminate 237 is produced, this seal acting through the mesh band 241.
  • the in the Figures 20 , 23 to 25 The net band solution shown serves to prevent water that runs down or crawls down the upper material layer 211 from reaching the strobing seam 235 and from there penetrating into the shoe interior. This is prevented by the fact that the sole-side end 238 of the upper material layer 211 ends at a distance from the sole-side end 239 of the shaft functional layer layer 215, which is bridged with the non-water-conducting mesh tape 241, and the sealing material 247 is provided in the region of the protrusion of the shaft functional layer layer 215.
  • the network band solution is known per se from the document EP 0298360 B1 .
  • connection technologies used in the shoe industry can be used for the preferably watertight connection of the upper to the upper.
  • the network tape solution shown and the tweaked solution in Figure 22 are exemplary embodiments.
  • a shoe sole composite 105 of the same structure can be used, as shown in these two figures. Because in the Figures 20 and 24th Shown are sectional views of the shoe 101 in the forefoot area, these figures show a sectional view of the forefoot area of the composite shoe sole 105, i.e. a sectional view along a transverse cutting line through the stabilization unit part 119c intended for the forefoot area with the piece of barrier material 33c inserted in its opening 135c .
  • the sectional view of the composite shoe sole 105 shows the stabilizing device part 119c with its opening 135c, a web of the associated stabilizing grid 137c bridging this opening, the upstanding frame 129b, the piece of barrier material 33c inserted in this frame 129b, the damping sole part 121b on the upper side of the stabilizing device part 119c and the outsole part 117b on the underside of the stabilizer part 119c.
  • both embodiments of the Figures 20 and 24th match.
  • Figure 21 shows an example of a barrier unit 35, in which a piece of barrier material 33 is provided on its underside with at least one stabilizing web 37.
  • an adhesive 39 is applied to the surface area of the barrier material 33 opposite the stabilizing web 37, by means of which the barrier material 33 is connected to the waterproof, water vapor-permeable upper 221 of the shoe, which is located outside the composite shoe sole above the barrier unit 35.
  • the adhesive 39 is applied in such a way that the shaft bottom 221 remains unconnected with the barrier material 33 wherever there is no material of the stabilizing web 37 on the underside of the barrier material 33. In this way it is ensured that the water vapor permeability function of the shaft bottom 115 is only disturbed by adhesive 39 where the barrier material 33 cannot permit water vapor transport anyway due to the arrangement of the stabilizing web 37.
  • the upper surface functional layer 247 of the upper functional layer laminate 237 in all embodiments is preferably a microporous functional layer, for example made of stretched polytetrafluoroethylene (ePTFE).
  • ePTFE stretched polytetrafluoroethylene
  • Figure 22 shows an embodiment in which the sole composite 105 according to the invention is fastened to the upper of the upper by means of fastening adhesive 250.
  • the upper functional layer laminate 216 is a three-layer composite with a textile layer 214, an upper functional layer 215 and a lining layer 213. The end 238 of the upper material layer 211 on the sole side is attached to the upper functional layer laminate 216 with lasting adhesive 249.
  • the fastening adhesive 250 is applied to the surface of the composite sole with the exception of the openings 135 and the barrier material 33 arranged in the region of the openings 135 partly in edge areas of the shaft bottom functional layer laminate 237.
  • Figure 23 is an illustration of the shaft construction according to Figure 20 with a molded shoe sole compound.
  • the three-layer upper layer functional layer laminate 237 is attached to the upper sole 233 in such a way that the textile side 246 points toward the composite sole. This is advantageous because the sole injection material 260 can more easily penetrate into the thin textile side and anchor there, thus creating a firm connection to the shaft bottom functional layer 237.
  • the barrier unit with the at least one opening 135 and the at least one piece of barrier material 33 is in the form of a prefabricated unit and is inserted into the injection mold before the injection process.
  • the sole injection material 260 is correspondingly injection-molded onto the shaft bottom, whereby it penetrates through the mesh band 241 to the shaft functional layer laminate 216.
  • Figure 25 shows an enlarged and partial view of the Figure 24 .
  • the sole composite 105 shows a further embodiment of the barrier unit 35 according to the invention.
  • the shoe stabilization device 119c forms part of the sole composite 105 and does not extend here to the outer circumference of the sole composite 105.
  • a piece of barrier material 33c is above the opening 135 attached such that the material 33c rests on the circumferential, continuously planar boundary edge 130 of the opening 135.
  • the sole composite 105 can be attached to the shaft bottom 221 with fastening adhesive 250 or can be injection molded with sole injection material 260 (as shown).
  • Figure 25 also clearly shows that in the embodiment in which the shaft bottom functional layer laminate 237 also takes over the function of the shaft mounting sole 233, the laminate comes to lie directly above the opposite upper side of the barrier material piece 33c, which is particularly advantageous.
  • no air cushion can form between the shaft bottom functional layer laminate 237 and the barrier material piece 33c, which could impair the water vapor removal, and the barrier material piece 33c and in particular the shaft bottom functional layer 247 is particularly close to the sole of the foot of the user of such a shoe, which improves the water vapor removal , which is determined by the existing temperature gradient between the interior and exterior of the shoe.
  • Figure 26 is a representation of a further embodiment of the sole composite according to the invention.
  • the perspective illustration shows a plurality of openings 135 in the shoe stabilization device 119, which are arranged from the toe region to the heel region of the composite sole.
  • the stabilizing material 33 is also present in the heel area.
  • the outsole forms the outsole parts 117.
  • Figure 27 is a representation of a further embodiment of the sole composite according to the invention in cross-sectional representation.
  • the sole composite 105 of this embodiment is shown in FIG Figure 24 sole composite shown quite similar.
  • the sole composite 105 according to Figure 27 has an outsole, a cross section through the ball area of the sole composite 105 being shown in this figure and therefore a cross section through the corresponding outsole part 117b.
  • the teaching according to Figure 27 but also applies to the other areas of the composite sole 105, that is to say also to the foot middle part and the heel part thereof.
  • the outsole part 117b has a tread 153, which touches the walked ground when walking.
  • the sectional view of the composite sole 105 of Figure 27 shows the stabilizer part 119c with its opening 135c, its upwardly projecting boundary edge 129b, the piece of barrier material 33c inserted into the boundary edge 129b, the damping sole part 121b on the upper side of the stabilizer part 119c and the outsole part 117b on the underside of the stabilizer part 119c.
  • a support element 151 is attached to the underside of the piece of barrier material 33c. This extends from the side of the barrier material 33 facing the tread to the level of the tread 153 in such a way that the barrier material 33 is supported on the floor being walked on by the support element 151.
  • an in Figure 27 lower free end of the support element 151 when the shoe provided with this sole composite is on a surface, touches this surface.
  • the piece of barrier material 33c is essentially in its shape when walking on such a surface Figure 27 shown position held so that its bending under the load of a user of the shoe is avoided.
  • a plurality of support elements 151 can be arranged in the opening 135c in order to increase the support effect for the piece of barrier material 33c and to make it more uniform over its surface extension.
  • the support function can also be obtained by using the in Figure 24 Stabilizing web 137c shown forms at the same time as a support element 151 by not allowing the stabilizing web 137c to end at a distance from the underside of the outsole part 117b which serves as the tread, but rather to extend to the level of this underside.
  • the in Figure 10 The stabilizing webs 37c shown or the stabilizing grid 37d shown in FIG. 11 are designed entirely or partially as support elements 151.
  • a high water vapor permeability value is achieved because, on the one hand, large openings are provided in the shoe sole assembly 105 and these are closed with material of high water vapor permeability and because, at least in the area of the openings 31, there is no connection between the water vapor permeable barrier material 33 and the water vapor exchange barrier
  • the shaft bottom functional layer 247 is arranged close to the foot, which leads to accelerated water vapor removal.
  • the shaft bottom functional layer laminate 237 can be a multilayer laminate with two, three or even more layers. At least one functional layer is included with at least one textile carrier for the functional layer, wherein the functional layer can be formed by a waterproof, water vapor permeable membrane 247, which is preferably microporous.
  • the thickness of the barrier material according to the invention is tested according to DIN ISO 5084 (10/1996).
  • the puncture resistance of a textile fabric can be measured using a measurement method used by the EMPA (Federal Material Testing and Research Institute) using a test device from the Instron tensile testing machine (model 4465).
  • EMPA Electronic Material Testing and Research Institute
  • a round piece of textile with a diameter of 13 cm is punched out using a punching iron and attached to a support plate in which there are 17 holes.
  • a stamp on which 17 thorn-like needles (sewing needle type 110/18) are attached is lowered at a speed of 1000mm / min so far that the needles penetrate through the textile piece into the holes in the support plate.
  • the force for piercing the textile piece is measured using a load cell (a force transducer). The result is determined from a number of samples of three samples.
  • a functional layer is regarded as "watertight", possibly including seams provided on the functional layer, if it guarantees a water inlet pressure of at least 1x10 4 Pa.
  • the functional layer material preferably ensures a water inlet pressure of over 1x10 5 Pa.
  • the water inlet pressure is to be measured using a test procedure in which distilled water is applied at 20 ⁇ 2 ° C to a sample of 100 cm2 of the functional layer with increasing pressure. The pressure rise of the water is 60 ⁇ 3 cm Ws per minute. The water inlet pressure then corresponds to the pressure at which water first appears on the other side of the sample. Details of the procedure are given in the ISO standard 0811 from 1981.
  • Whether a shoe is waterproof for example, with a centrifuge arrangement in the US-A-5,329,807 described type can be tested.
  • the water vapor permeability values of the barrier material according to the invention are tested using the so-called cup method according to DIN EN ISO 15496 (09/2004).
  • a functional layer is considered to be "water vapor permeable” if it has a water vapor permeability number Ret of less than 150 m2 ⁇ Pa ⁇ W -1 .
  • the water vapor permeability is tested according to the Hohenstein skin model. This test method is described in DIN EN 31092 (02/94) and ISO 11092 (1993).
  • the shoe bottom structure has a water vapor permeability (MVTR from Moisture Vapor Transmission Rate) in the range from 0.4 g / h to 3 g / h , which can range from 0.8 g / h to 1.5 g / h and, in a practical embodiment, is 1 g / h.
  • MVTR Water vapor permeability
  • the degree of water vapor permeability of the shoe bottom structure can be compared with that in the document EP 0396716 B1 specified measurement method can be determined, which has been designed to measure the water vapor permeability of an entire shoe.
  • the measurement method can be used to measure the water vapor permeability of only the base of a shoe EP 0 396 716 B1 can also be used by using the in Fig. 1 the EP 0 396 716 B1 shown measurement structure is measured in two successive measurement scenarios, namely once the shoe with a water vapor permeable shoe bottom structure and another time the otherwise identical shoe with a water vapor impermeable shoe bottom structure. From the difference between the two measured values the proportion of water vapor permeability can then be determined, which is due to the water vapor permeability of the water vapor permeable shoe bottom structure.
  • a stretch and tear resistance test was carried out according to DIN EN ISO 13934-1 from 04/1999. 3 instead of 5 samples were taken in each direction. The distance between the jaws was 100 mm for all samples.
  • abrasion resistance for the abrasion measurements to obtain the abrasion values in the comparison table
  • two measurement methods have been used. On the one hand it was tested with a Martindale abrasion tester (in the table "Abrasion Carbon"), in which according to the standard DIN EN ISO 124947 -1; -2; (04/1999) the sample to be tested is scrubbed against sandpaper. There were three deviations from the standard: First, sandpaper with a grain size of 180 plus standard foam was clamped in the sample holder. Second, standard felt plus the test sample was clamped in the sample table. Third, the sample was inspected on all 700 tours and the sandpaper was replaced.
  • Lissajous figures In the abrasion tests, rubbing movements are carried out by Lissajous figures. With an appropriate choice of the ratio of the frequencies involved, Lissajous figures represent an overall picture that repeats itself periodically and is composed of individual figures that are offset relative to one another. The passage through one of these individual figures is referred to as a tour in connection with the abrasion test. For all materials 1 to 5, it was measured after how many tours first holes had occurred in the respective material, that is to say the respective material had been worn through. In the comparison table there are two trip values for each of the materials, which resulted from two abrasion tests with the same material.
  • Shore hardness is understood as the resistance to the penetration of a body of a certain shape under a defined spring force.
  • the Shore hardness is the difference between the numerical value 100 and the penetration depth of the indenter, divided by the scale value 0.025 mm, in mm under the effect of the test force.
  • Material that protects the shoe or the parts / materials in the shoe such as the upper, sole, membrane, mechanical protection and resistance to deformation as well as the penetration of external objects / foreign bodies / objects e.g. made possible by the sole while maintaining a high water vapor transport, i.e. a high level of climate comfort in the shoe.
  • the mechanical protection and resistance to deformation is mainly due to the low elongation of the barrier material.
  • Generic term for a composite of fibers of any kind should include leather, nonwovens or knitted fabrics made of metal fibers, possibly also in a mixture with textile fibers, also yarn and textiles (fabrics) made from yarn.
  • the fiber composite must have at least two fiber components. These components can be fibers (e.g. staple fibers), filaments, fiber elements, yarns, strands and the like. act. Each fiber component either consists of one material or contains at least two different material components, whereby one fiber component softens / melts at a lower temperature than the other fiber component (Bico).
  • Such bico fibers can have a core-sheath structure - here a core fiber portion is sheathed with a sheath fiber portion -, a side-by-side structure or an island-in-sea structure. Such processes and machines for this are available from Rieter Ingolstadt, Germany and / or Schalfhorst in Mönchengladbach, Germany.
  • the fibers can be simply spun, multifilamentary or several torn fibers with intertwined frayed ends.
  • the fiber components can be distributed evenly or unevenly in the fiber composite.
  • the entire fiber composite must preferably be temperature stable at at least 180 ° C.
  • a uniform and smooth surface on at least one side of the fiber composite is achieved by means of pressure and temperature. This smoothed surface points "down" to the surface / floor, so that particles / foreign bodies bounce off the smooth surface more easily or are rejected more easily.
  • the properties of the surface or the overall structure of the fiber composite or stabilizing material depend on the fibers selected, the temperature, the pressure and the period over which the fiber composite was subjected to temperature and pressure.
  • the fibers are placed on a conveyor belt and tangled.
  • Sheets made with warp and weft threads made with warp and weft threads.
  • the melting temperature is the temperature at which the fiber component or the fiber portion becomes liquid.
  • the melting temperature in the field of polymer or fiber structures means a narrow temperature range, in which the crystalline areas of the polymer or fiber structure melt and the polymer changes into the liquid state. It lies above the softening temperature range and is an essential parameter for partially crystalline polymers. Melted means the change in the physical state of the fiber or parts of the fiber at a characteristic temperature from solid to viscous / flowable.
  • the second fiber component or the second fiber portion only has to become soft / plastic, but not liquid. I.e. the softening temperature used is below the melting temperature at which the component / portion dissolves.
  • the fiber component or parts thereof are preferably softened such that the more temperature-stable component is embedded or bound in the softened parts.
  • the first softening temperature range of the first fiber component is higher than the second softening temperature range of the second fiber component or the second fiber component of the second fiber component.
  • the lower limit of the first softening range can be below the upper limit of the second softening range.
  • the adhesive softening temperature can also be selected such that the fibers of the second fiber component are softened to such an extent that the fibers of the second fiber component are not only bonded to one another Rather, there is also a partial or complete sheathing of individual points of the fibers of the first fiber composite with softened material of the fibers of the second fiber composite, i.e. a partial or complete embedding of such points of fibers of the first fiber composite in the material of fibers of the second fiber component that a correspondingly increased Stabilization strengthening of the fiber composite occurs.
  • the barrier material must be temperature-stable for the injection molding. The same applies to injection molding (approx. 170 ° C - 180 ° C) or vulcanization of the shoe sole. If the stabilization device is to be injection molded, the barrier material must have a structure such that the stabilization device can at least penetrate into the structure of the barrier material or, if necessary, penetrate it.
  • the shaft bottom functional layer and optionally the shaft functional layer can be formed by a waterproof, water vapor-permeable coating or by a waterproof, water vapor-permeable membrane, which can either be a microporous membrane or a membrane having no pores.
  • the membrane comprises stretched polytetrafluoroethylene (ePTFE).
  • Suitable materials for the waterproof, water vapor-permeable functional layer are in particular polyurethane, polypropylene and polyester, including polyether esters and their laminates, as described in the publications US-A-4,725,418 and US-A-4,493,870 are described.
  • stretched microporous polytetrafluoroethylene ePTFE
  • ePTFE stretched microporous polytetrafluoroethylene
  • the average pore size is between about 0.2 microns and about 0.3 microns. Pore size can be measured using the Coulter Porometer (trade name) manufactured by Coulter Electronics, Inc., Hialeath, Florida, USA.
  • the barrier unit is formed by the barrier material and optionally by the stabilization device in the form of at least one web and / or a frame.
  • the barrier unit can be in the form of a prefabricated component.
  • the composite shoe sole consists of barrier material and at least one stabilizing device and at least one outsole and, if appropriate, further sole layers, the barrier material closing off the at least one opening which extends through the composite shoe sole thickness.
  • a breakthrough is the area of the composite shoe sole through which water vapor can be transported.
  • the outsole and the stabilization device each have through-openings which form an overall opening through the total thickness of the composite shoe sole.
  • the opening is thus formed by the intersection of the two through openings. Possibly existing webs are arranged within the peripheral edge of the respective opening and do not form a boundary of the opening.
  • the area of a breakthrough is determined minus the area of all webs crossing it, since this web surface blocks the water vapor transport and therefore does not represent a breakthrough area.
  • the stabilization device acts as additional stabilization of the barrier material, is shaped and attached to the barrier material in such a way that the water vapor permeability of the barrier material is only slight, if at all is influenced. This is achieved in that only a small area of the barrier material is covered by the stabilization device.
  • the stabilizing device is preferably directed downward toward the floor. In the first place, the stabilization device is not a protective function, but rather to serve as stabilization.
  • the at least one opening of the stabilization device is limited by its at least one frame.
  • the area of an opening is determined minus the area of all webs crossing it.
  • Footwear consisting of a composite shoe sole and a closed upper (shaft).
  • the bottom of the shoe covers all layers below the foot.
  • Thermal activation takes place by applying energy to the fiber composite, which leads to an increase in the temperature of the material up to the softening temperature range.
  • a composite shoe sole is tested according to the centrifuge arrangement in the US-A-5,329,807 described type. Before testing, it must be ensured that any existing shaft bottom functional layer is made water-permeable. A water-permeable composite shoe sole is assumed if this test is not passed. If necessary, the test is carried out with colored liquid in order to indicate the path of the liquid through the composite shoe soles.
  • Laminate is a composite consisting of a waterproof, water vapor-permeable functional layer with at least one textile layer.
  • the at least one textile layer also called an offside, serves primarily to protect the functional layer during its processing.
  • a 3-layer laminate consists of a waterproof, water vapor-permeable functional layer, which is embedded between two textile layers, whereby a punctiform adhesive can be applied between these layers.
  • a functional layer is regarded as "watertight", possibly including seams provided on the functional layer, if it guarantees a water inlet pressure of at least 1x10 4 Pa.
  • the top of the composite shoe sole is to be understood as the surface of the composite shoe sole which lies opposite the bottom of the upper.
  • the outsole is to be understood as the part of the composite shoe sole that touches the floor / undergrad or that makes the main contact with the floor / subsurface.
  • Test duration 3 hours All shafts are constructed identically, ie scatter only through natural scattering of the materials (leather, textile, etc.)
  • the shaft can be made watertight Constant amount of water in all shoes Insoles removed for the test Shoe bottom construction bel No. 2 and 3 comparative - Bel No. 1 only the outsole is closed, ie it has no openings Shoe no.

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Claims (8)

  1. Composite de semelle de chaussure (105) perméable à la vapeur d'eau, comprenant un côté supérieur (50) présentant :
    au moins une découpe (31) qui s'étend sur toute l'épaisseur du composite de semelle de chaussure ;
    une unité (35) faisant office de barrière comprenant un côté supérieur formant au moins en partie le côté supérieur (50) du composite de semelle de chaussure (105) et comprenant une matière faisant office de barrière (33) perméable à la vapeur d'eau réalisée sous la forme d'une barrière qui s'oppose à la pénétration de corps étrangers par pression, matière au moyen de laquelle ladite au moins une découpe (31) est fermée d'une manière telle qu'elle laisse passer la vapeur d'eau ;
    un mécanisme de stabilisation (25, 119) attribué à la matière (33) faisant office de barrière, destiné à une stabilisation mécanique du composite de semelle de chaussure (105), mécanisme qui est réalisé avec au moins une nervure de stabilisation (37) qui est disposée au moins sur une surface de la matière (33) faisant office de barrière et qui franchit au moins en partie ladite au moins une découpe (31) ; et
    au moins un élément (117) faisant office de semelle de marche, disposé en dessous de l'unité (35) faisant office de barrière ;
    dans lequel le mécanisme de stabilisation (25, 119) présente plusieurs nervures de stabilisation (37) qui forment une structure possédant la forme d'une grille sur au moins une surface de la matière faisant office de barrière ;
    caractérisé en ce que
    le composite de semelle de chaussure présente une surface de marche (153) ; dans lequel au moins un élément (151) faisant office de support est attribué à la matière (33) faisant office de barrière, dans la découpe, respectivement dans au moins une des découpes (33a, 33b, 33c), l'élément en question s'étendant à partir du côté de la matière (33) faisant office de barrière, tourné vers la surface de marche, jusqu'au niveau de la surface de marche (153) d'une manière telle que la matière (33) faisant office de barrière s'appuie, lorsque l'on marche, par l'intermédiaire de l'élément (151) faisant office de support sur le sol sur lequel on marche ;
    dans lequel au moins une des nervures de stabilisation (37) est réalisée de manière simultanée sous la forme d'un élément (151) faisant office de support.
  2. Composite de semelle de chaussure (105) selon la revendication 1, dont le mécanisme de stabilisation (25, 119) présente une multitude de premières nervures de stabilisation (37) s'étendant de manière essentielle dans une première direction et présente au moins une deuxième nervure de stabilisation (37) s'étendant de manière essentielle dans une deuxième direction, qui croise les premières nervures de stabilisation (37) ; dans lequel les premières nervures de stabilisation (37) croisent en position essentiellement orthogonale ladite au moins une deuxième nervure de stabilisation (37) ; et dans lequel les premières nervures de stabilisation (37) s'étendent de manière essentielle en direction transversale par rapport au pied et ladite au moins une deuxième nervure de stabilisation (37) s'étend de manière essentielle dans la direction longitudinale du pied.
  3. Composite de semelle de chaussure (105) selon la revendication 1 ou 2, dans lequel la grille de stabilisation (137) est réalisée en tout ou en partie sous la forme d'un élément faisant office de support.
  4. Composite de semelle de chaussure (105) selon l'une quelconque des revendications précédentes, dont le mécanisme de stabilisation (25, 119) est muni d'au moins une ouverture (135) qui forme au moins une partie de la découpe (31) et qui est fermée avec une matière (33) faisant office de barrière.
  5. Composite de semelle de chaussure (105) selon l'une quelconque des revendications précédentes, dont le mécanisme de stabilisation (25, 119) présente au moins un encadrement de stabilisation (147) qui stabilise au moins le composite de semelle de chaussure (105)
  6. Composite de semelle de chaussure (105) selon la revendication 5, dans lequel l'encadrement de stabilisation (147) délimite ladite au moins une ouverture (135) et la grille de stabilisation (137) s'étend à l'intérieur de l'ouverture.
  7. Composite de semelle de chaussure (105) selon l'une quelconque des revendications précédentes, dont au moins un mécanisme de stabilisation (25, 119) est réalisé d'une manière telle qu'au moins 15 % de la surface de la zone de l'avant du pied du composite de semelle de chaussure sont perméables à la vapeur d'eau, et/ou dont au moins un mécanisme de stabilisation (25, 119) est réalisé d'une manière telle qu'au moins 15 % de la surface de la zone médiane du pied du composite de semelle de chaussure sont perméables à la vapeur d'eau.
  8. Article chaussant comprenant un composite de semelle de chaussure (105) selon l'une quelconque des revendications précédentes 1 à 7, présentant une tige (103) qui est munie, contre une zone terminale de tige (219) du côté de la semelle, d'une couche fonctionnelle à la base de la tige (247), perméable à la vapeur d'eau ; dans lequel le composite de semelle de chaussure (105) est relié à la zone terminale de tige munie de la couche fonctionnelle à la base de la tige (247), d'une manière telle que la couche fonctionnelle (247) à la base de la tige n'est pas reliée, au moins dans la zone de ladite au moins une découpe (31), à la matière (33) faisant office de barrière.
EP15184771.2A 2006-03-03 2007-03-02 Élement composite de semelle de chaussure, chaussure le comprenant Active EP3001923B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102006010007A DE102006010007A1 (de) 2006-03-03 2006-03-03 Schuhsohlenverbund und damit aufgebautes Schuhwerk
DE202007000667U DE202007000667U1 (de) 2006-03-03 2007-01-17 Wasserdampfdurchlässiger Schuhsohlenverbund
PCT/EP2007/001821 WO2007101625A1 (fr) 2006-03-03 2007-03-02 Semelle composite, chaussure pourvue d'une telle semelle et procédé de production de cette chaussure
EP07723016A EP1991078A1 (fr) 2006-03-03 2007-03-02 Semelle composite, chaussure pourvue d'une telle semelle et procédé de production de cette chaussure

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP07723016A Division EP1991078A1 (fr) 2006-03-03 2007-03-02 Semelle composite, chaussure pourvue d'une telle semelle et procédé de production de cette chaussure

Publications (2)

Publication Number Publication Date
EP3001923A1 EP3001923A1 (fr) 2016-04-06
EP3001923B1 true EP3001923B1 (fr) 2020-04-29

Family

ID=38055457

Family Applications (3)

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EP15184770.4A Not-in-force EP3001922B1 (fr) 2006-03-03 2007-03-02 Élément composite de semelle de chaussure, chaussure le comprenant et son procédé de fabrication
EP15184771.2A Active EP3001923B1 (fr) 2006-03-03 2007-03-02 Élement composite de semelle de chaussure, chaussure le comprenant
EP07723016A Ceased EP1991078A1 (fr) 2006-03-03 2007-03-02 Semelle composite, chaussure pourvue d'une telle semelle et procédé de production de cette chaussure

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US9351534B2 (en) 2016-05-31
KR20140018440A (ko) 2014-02-12
EP1991078A1 (fr) 2008-11-19

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