EP1781465A1 - Heatproof and fireproof cover - Google Patents
Heatproof and fireproof coverInfo
- Publication number
- EP1781465A1 EP1781465A1 EP05769700A EP05769700A EP1781465A1 EP 1781465 A1 EP1781465 A1 EP 1781465A1 EP 05769700 A EP05769700 A EP 05769700A EP 05769700 A EP05769700 A EP 05769700A EP 1781465 A1 EP1781465 A1 EP 1781465A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat
- fire protection
- protection cover
- indicates
- cover according
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C8/00—Hand tools or accessories specially adapted for fire-fighting, e.g. tool boxes
- A62C8/06—Fire-blankets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/23914—Interlaminar
Definitions
- the invention relates to a cover for heat and fire protection for objects (for example buildings, furnishings, machines, EDP, people, floors) which are located in the vicinity of fire pits / fire.
- objects for example buildings, furnishings, machines, EDP, people, floors
- Heat and fire protection covers are usually used to protect fires from objects that are in the immediate vicinity of the fire and are therefore in danger of being burned. to be harmed, to protect.
- the damage is usually done not only by the fire itself, but above all by the heat and the smoke and the associated high temperatures in the air as well as ent ⁇ standing toxic and non-toxic gases.
- water damage usually caused an immense damage by the firefighting used extinguishing water ("water damage").
- covers or protective measures made of refractory or flame retardant materials have the disadvantage that they are often not practical in large sizes (for example for buildings) (too heavy or not easy to handle).
- the covers do not have the ability to give off cooling, to alleviate the heat generated during fires or to prevent the damage caused by fire water damage. Or they are applied in liquid form (SAP gel) on the object to be protected and can hardly be removed or make the object to be protected often useless.
- most previously used covers or protective measures are either very expensive and / or not reusable.
- the object of the invention underlying this patent therefore is to provide a heat and fire protection cover which compensates for the disadvantages of previous covers and offers real advantages for use in heat, fire and fires.
- a heat or fire protection cover wherein a nonwoven having a superabsorber is arranged between an outer skin and a covering skin.
- the outer skin and covering skin form an envelope or an enveloping covering material.
- the outer skin and the covering skin are either the same or different. The arrangement is chosen so that the covering skin faces the object to be protected, and the outer skin of the fire or heat source.
- the heat or fire protection cover according to the invention consists of two parts:
- superabsorbents are known from the prior art. These are networks of flexible hydrophilic polymers, which may be both ionic and nonionic in nature. These are able to absorb and bind aqueous liquids and are thus used to absorb, for example, body fluids in hygiene articles such as diapers or the like.
- superabsorbers are also used in fields of technology in which liquids must be absorbed. Superabsorbers are also already being used in the area of "fire protection".
- the invention consists of a nonwoven covering the fabric, which is already commercially available in many colors and variations from different manufacturers, the top and bottom of the envelope (ie outer skin and covering skin) may be different (fabric 1 and 2). These are eg CS fabric, Goretex, aluminum or other refractory or flame-retardant materials.
- the cover fabric made from one or two materials, serves as a cover for the plastic fleece. The wrapping is pulled over the plastic fleece and made in the appropriate size as a coating. In addition, the material is wrapped tightly quilted or otherwise fixed depending on the fabric, so that when cutting off the required amount of plastic fleece is held in the enclosure.
- the material can be put on rolls by the meter or can act as single blankets or mats of various sizes or be attached or attached or fastened in the clothing for protection against heat.
- the invention can also be combined with other materials or on other objects. be attached (eg rods, scaffolding).
- ready-made wraps for items such as cars, EDP, etc., which can then be pulled over the objects quickly and offer immediate protection.
- the underside of the cover (the covering skin 1), that is to say the side facing the object to be protected, is impermeable to water if necessary.
- the upper side of the envelope (the outer skin 2) facing away from the object will be permeable to water, air and water vapor to ensure the absorption and evaporation of the bound water and thus to produce the cooling effect.
- the cover in particular the superabsorber, absorbs and binds liquid, preferably water.
- liquid preferably water.
- This water absorption has two major effects. On the one hand there is a liquid reservoir which can evaporate for cooling purposes, on the other hand the physical properties of the cover change when it is charged with water. It becomes heavier and also forms a mechanical protection of the object to be protected.
- the heat and fire protection cover according to the invention can be used not only for cooling, but there is also the possibility to provide a certain mechanical protection of the object to be protected.
- a significant advantage of the invention lies in the fact that liquid bound by the superabsorber escapes from the fleece or the cover by evaporation and the heat of vaporization is taken from the surroundings of the cover, in particular the object covered by the cover, and this thus cool.
- the object to be protected is deprived of heat and the risk that this object will be damaged by excessive heat, for example, is considerably reduced.
- the invention is an optimal heat and fire protection, since on the one hand, the materials themselves by their properties are flame retardant or fireproof and thus not intervene in the fire process itself or participate but protect.
- the nonwoven by activating with water, the nonwoven obtains a very high mechanical strength and can thereby protect the objects to be protected excellently from the outside from mechanical interventions as well as from the fire itself.
- the water the sensible way for large fires and high risk already for Aktivie ⁇ tion of the material in a defined amount after wrapping is applied to the objects, preferably can not be removed by mechanical pressure again, but escapes only by evaporation which physically causes the effect of evaporative cooling.
- a strong cooling effect which is temperature-dependent, is achieved when heat is applied externally (fire, fire, etc.). The stronger the ambient temperature the stronger the cooling effect occurs.
- This cooling effect results purely from the physical effect in the evaporation of the water bound by the material at high temperatures. The cooling effect thus optimally protects the enveloped objects from the heat or hot smoke development occurring during fires.
- a material is used in the area of fire protection cover, which is very light and e.g. can be transported on wheels. As a result, even very large covers such. feasible for buildings practicable. Since the material is very light, it is also very easy to transport. Since it is also very flexible and often adapted only at the place of use depending on the size and shape of the fire and fire objects to be protected, it can be stored in any dry place.
- each object can be enveloped in such a way that really all the components of the object with the envelope are reached in order not to be damaged by any which openings the heat to provide inlet openings.
- the envelope can be done practically tight.
- the material used for the invention is malleable and can be quickly and easily made into any shape by appropriate cutting tools (scissors, knives, etc.) and easily machined e.g. also sew.
- This offers real advantages in the wrapping of all sorts of objects, because this allows the material to be stored in the form of larger areas or on rollers and must be brought into use in the ent speaking form only in use.
- a pre-determined size eliminates this and makes the application very flexible.
- the invention is therefore independent of the size and shape of the object to be protected. Due to the variable stitching or fastening the fleece is held firmly in the envelope and can not slip. When cutting the solid composite of fabric and nonwoven material is thus guaranteed. Furthermore, ready-made heat and fire protection envelopes in certain sizes can be produced quickly and cheaply in various forms for rapid overfeeding over objects.
- the fleece in the invention due to its structure and specific coating, can absorb 10 to 20 times its weight in water, depending on the thickness and amount of coating. This offers significant advantages for use in fires.
- In addition to the property as a cover and thereby als ⁇ treading safe protection against direct contact of the objects to be protected against externally acting materials or heat and smoke during fires or fire fighting also used in firefighting water is bound and do not penetrate to the object to be protected.
- the material of the invention releases the bound water not by mechanical pressure but only by evaporation, so that the coated object does not become wet.
- for the side of the envelope that faces the object is made with waterproof Ma ⁇ material. As a result, the object is protected from the often occurring during fires water damage.
- the fleece in the invention is flame retardant and has in the dry state similar properties as polyester with a flash point of 500 0 C and a melting temperature of 250 0 C.
- the fabric is tested and especially suitable and therefore also flame retardant or fireproof.
- the material even in the dry state, can be described as far-reaching refractory, which is important for the field of application.
- the use of the material in water-activated state means that the flash point and the melting temperature can no longer be determined. Thus, the invention is therefore to be called refractory.
- the fire can hit the surface of the fire protection cover directly without the material being damaged.
- the object to be protected is optimally cooled and not damaged by the high temperature from the outside and the resulting evaporation of the bound water. Further application of water during firefighting also maintains the effect over the one-time evaporation time.
- the product As the material absorbs water, cools it and protects it from heat, and releases the water only through evaporation, the product is infinitely reusable and reversible. After use in case of fire, the water evaporates and can be stored in a dry state to be used again in the next fire. Due to its reusability, the product is very environmentally friendly and, moreover, less expensive than e.g. Disposable tarpaulins or gels.
- the material of the invention is harmless to humans and nature and, even if it should catch fire in the dry state, does not precipitate any toxic or harmful substances. In the unlikely burning of the material, only different amounts of carbon monoxide are produced, depending on the oxygen content. Thus, the material is also harmless in this respect, since these substances also in the burning of e.g. Wood is created.
- a heavily coated material in the wet state has similar strength as flexible plastic material ("rubber”) and holds strong mechanical stress (eg hail, falling or umher ⁇ flying objects eg in an explosion, etc.) stood. Due to the "rubber-like" consistency, impacts and mechanical impact are absorbed from the outside (shock absorber property).
- rubber flexible plastic material
- mechanical stress eg hail, falling or umher ⁇ flying objects eg in an explosion, etc.
- a nonwoven having a superabsorber is arranged between an outer skin and a covering skin.
- a variety of different variants are possible. All of these variants have a nonwoven with superabsorber in the context of the invention.
- the nonwoven fabric is coated with superabsorber.
- the fleece is usually made of a fibrous material, the fleece itself is for example a woven or non-woven, sheet material with textile or flexible properties.
- the fibrous material forming the web is coated, for example, with superabsorbent, the superabsorber being fixed, for example, by a binder on the fiber forming the web.
- Such a variant is described, for example, in European Patent Application 676 496, to which full reference is made at this point.
- Another variant according to the invention provides that the superabsorber is fixed by the action of heat and / or pressure on the fiber forming the web.
- additional binder here is placed on the adhesion forces of the superabsorbent and the fiber material of the web to produce an adhesive bond between the two materials. It has been found that with a corresponding pressure-temperature combination on the input Set of a binder can be dispensed with. Such an embodiment has been described, for example, in International Patent Application WO 2004/039493, to which reference is made in full at this point.
- the two aforementioned variants ultimately form a relatively homogeneous nonwoven material, with the proportion of superabsorbent in the nonwoven being preferably uniformly distributed.
- the superabsorber is arranged as a substantially homogeneous layer next to or between two webs.
- the fleece has the task of stabilizing and aligning the position of the superabsorber.
- the superabsorbent itself thus forms a substantially homogeneous layer next to another, in turn, homogeneous nonwoven layer.
- Such an arrangement is also part of the invention, and here too the nonwoven comprises a superabsorber.
- the nonwoven is coated on one side or on both sides with superabsorber.
- a variant is also shown in the figure.
- a sodium polyacrylate superabsorbent in a concentration of 200 or 400 grams per square meter coated on both sides.
- Such an arrangement causes the superabsorbent in the nonwoven is not homogeneous, but distributed in layers. It is then located e.g. on the fleece on the outside.
- the superabsorbent is arranged as a gel, pasteus or flaky in the fleece.
- the consistency of the superabsorbent can be set and optimized accordingly. In this case, for example, a flaky configuration is then used to fix the superabsorber to the fiber particles.
- the outer skin facing in particular the heat or fire source be fireproof and / or flame-retardant and / or water-permeable and / or water-vapor-permeable.
- the outer skin is favorably made, for example, of a corresponding textile or otherwise flexible material.
- the cover according to the invention is to be used in particular for protection in case of fire, it is of course very advantageous if the outer skin is also fire-resistant.
- a correspondingly flammable outer skin serves this purpose.
- a water permeability of the outer skin makes it easier to activate the heat or fire protection cover.
- the cooling effect can only take place when liquid, in particular water, is bound in the superabsorber.
- the surface, in this case the outer skin is formed permeable to water so as to permit moistening or charging of the nonwoven comprising the superabsorber.
- the cooling effect is utilized by removing the heat of vaporization from the environment.
- the resulting water vapor should escape, which is why it is favorable that the material of the outer skin is water vapor permeable.
- the skin in particular facing the article to be protected, is waterproof and / or impermeable to water and / or highly thermally conductive and / or gas- or oxygen-tight.
- the covering skin is also optimized accordingly for the specific application.
- the cover skin is facing the object to be protected, the object should be cooled as possible and he should not take "water damage" by fire water.
- the cover skin is waterproof, so can not be dissolved by water and on the other hand, no water passes.
- heat-conducting In order to preferably cool the object to be protected, just the large-area contact area between the object and cover skin is formed well heat-conducting, preferably to extract just the object to be protected, the heat of evaporation.
- This can be achieved by correspondingly good heat-conducting materials, for example metal foils, metal inclusions or plastics with correspondingly good heat-conducting properties.
- Such materials are also foil-like or flexible and therefore, for example, also in large web products, as is also proposed according to the invention, usable bar.
- the covering skin or the outer skin be made of textile or flexible material, which considerably improves the handling, the transport and the usability of the invention.
- a nonwoven equipped with superabsorbent has a fiber / superabsorber weight ratio of 2.5: 1. With such a starting material, a water absorption capacity of 1500% based on the weight then results.
- the invention allows a very wide range of use by Ausgestal ⁇ tion of the web.
- the weight ratio of nonwoven to superabsorber is 15: 1 to 1:15, preferably from 15: 1 to 1: 1 and particularly preferably from 7: 1 to 2: 1.
- more superabsorbent than nonwoven is provided by weight.
- a nonwoven with a weight per unit area of 70 g / m is equipped with a superabsorber having a weight per unit area of 200 to 400 m, whereby an interval for the weight ratio of nonwoven to superabsorber of 1: 2 to 1: 7 results for the invention.
- the size of the superabsorbent particles used is also very variable. It is envisaged that these may have a diameter of 10 microns to 2000 microns.
- the use of the superabsorber in the nonwoven for example how it is bonded to the nonwoven fibers, also results.
- relatively large SAP particles to be present, for example, as filling material for a casing consisting of outer skin and cover skin, and insofar as the SAP itself also contains the non-woven fabric. optionally also forms material as debris or Rieselgut.
- the fleece then also has, for example, filter or retention function. Such a variant of the invention is vor ⁇ seen.
- the superabsorbent particles are advantageously made of poly (meth) acrylic acid or poly (meth) acrylic acid copolymers containing at least 50% by weight of (meth) acrylic acid. But there are also other superabsorbent materials used.
- the fleece is made of a variety of materials. It may consist of viscose, cellulose, polyurethane, polyester, polytetrafluoroethylene, silicone, aramite, polyamide, cotton or corresponding blended fabrics of the abovementioned materials.
- the outer skin and the covering skin are connected to each other by stitching.
- a corresponding stitching is favorable in order to reliably and reliably avoid divergence of outer skin and covering skin and falling out of the nonwoven.
- the stitching is expediently seen in regular, not too large intervals vor ⁇ . This then also gives the advantage that a cover can be made accurately in the short term.
- the cover is designed as a web or roll goods and, for example, has Ver ⁇ on the side Ver ⁇ binding agent.
- Ver ⁇ On the side Ver ⁇ binding agent.
- the web or roll goods are correspondingly cut to length and joined together with their laterally arranged, respectively cooperating connecting means. These may be, for example, Velcro fasteners or buttons, zippers or the like.
- An especially gas-tight or oxygen-tight connecting means is to be preferred for protecting the object to be protected.
- the covering is also possible in a variant of the invention to design the covering as a piece of clothing, for example as a jacket, suit, pants or the like.
- the invention is particularly for the protection of people. Due to the cooling effect, the service life of firefighters, for example, is considerably increased in the case of corresponding fires, and the risk of accidents due to overheating due to fatigue is reduced.
- the invention also includes a method for the protection of objects in case of fire.
- a heat or fire protection cover preferably as described, is arranged between the object to be protected and the source of fire or heat, the cover is subsequently watered, in which case the evaporation of the liquid cools the object and thus protects it.
- the object to be protected is covered.
- Fire protection cover for the floor e.g. in forests to prevent fire spread
- the invention is shown schematically in the drawing. Show it:
- FIG. 3 shows a top view of a fire blanket according to the invention produced from different coverings according to the invention.
- FIG. Fig. 1, 2 shows an enlarged view of a section through various embodiments of the cover according to the invention.
- a fleece 2 having the superabsorber 4 is disposed between an outer skin 1 and a covering skin 3.
- the outer skin 1 faces the fire and expediently permeable to water in order to be able to fill the superabsorber 4 with liquid.
- the cover skin 3 facing the object to be protected is significantly thicker and, for example, rubber-like in order to avoid water damage to the object to be protected as much as possible.
- a web product such as shown in Fig. 3.
- connecting means 12 e.g. Zippers, Velcro, buttons, knitting or the like are used.
- a connecting means is selected, which also gives a dense bond on the side of the covering skin 3 in order to avoid the penetration of water in the direction of the object to be protected. This can e.g. be carried out by appropriate Velcro fasteners, which are additionally still appropriate in grooves inserted or kept.
- outer skin 1 and covering skin 3 are joined together by stitching 5.
- FIG. 2 in contrast to the variant according to FIG. 1, a different distribution of the superabsorber 4 in the fleece 2 is shown.
- the superabsorbent 4 is maintained substantially uniformly distributed in the web 2.
- the nonwoven fabric has been coated on one side or here on both sides with superabsorber 4 on the outside, resulting in a middle region 7 which is substantially free of superabsorbent material. absorbers.
- the separating layers are indicated by 6 or 6 '. The result is a substantially heterogeneous structure of the web by a different concentration of the superabsorbent in the web.
- the nonwoven forming thread is coated with the superabsorbent, and then processed into the nonwoven fabric, in the variant shown in Fig. 2, first the nonwoven fabric is produced and then coated with e.g. liquid superabsorbent sprayed and so wetted.
- the position of the separating layer 6, 6 'then results from the viscosity of the superabsorber and its concentration or weight per area.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Laminated Bodies (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05769700A EP1781465A1 (en) | 2004-07-31 | 2005-07-29 | Heatproof and fireproof cover |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20040018211 EP1621232A1 (en) | 2004-07-31 | 2004-07-31 | Heat and fire protection cover |
PCT/EP2005/008251 WO2006013068A1 (en) | 2004-07-31 | 2005-07-29 | Heatproof and fireproof cover |
EP05769700A EP1781465A1 (en) | 2004-07-31 | 2005-07-29 | Heatproof and fireproof cover |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1781465A1 true EP1781465A1 (en) | 2007-05-09 |
Family
ID=34926022
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040018211 Withdrawn EP1621232A1 (en) | 2004-07-31 | 2004-07-31 | Heat and fire protection cover |
EP05769700A Withdrawn EP1781465A1 (en) | 2004-07-31 | 2005-07-29 | Heatproof and fireproof cover |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040018211 Withdrawn EP1621232A1 (en) | 2004-07-31 | 2004-07-31 | Heat and fire protection cover |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090202777A1 (en) |
EP (2) | EP1621232A1 (en) |
AU (1) | AU2005268913B2 (en) |
WO (1) | WO2006013068A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ301472B6 (en) * | 2009-01-26 | 2010-03-17 | Hornák@Jozef | Protective cover against hail |
DE102012102299A1 (en) * | 2012-03-19 | 2013-09-19 | Wolf Pvg Gmbh & Co. Kg | Fire protection fabric useful for fire fighting of class-A fires, preferably buildings, motor vehicles and/or machinery, forest- and field fires, comprises a nonwoven layer, and a water-absorbing agent |
DE202012005878U1 (en) * | 2012-06-18 | 2013-09-26 | Colt International Licensing Limited | Roll-up fire protection element |
US20150083443A1 (en) * | 2013-09-25 | 2015-03-26 | Mark Thompson | Method of protecting a structure from a fire |
KR102506975B1 (en) * | 2020-07-29 | 2023-03-06 | 김이한 | A Suffocation fabric for fire suppression |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4657537A (en) * | 1985-05-15 | 1987-04-14 | The Procter & Gamble Company | Disposable absorbent articles |
DE9101312U1 (en) * | 1991-02-06 | 1991-04-25 | Tempex GmbH Schutzausrüstungen, 7920 Heidenheim | Tarpaulin or blanket |
WO1996005887A1 (en) * | 1994-08-24 | 1996-02-29 | Ipt (Uk) Limited | Fire block material |
WO1997044094A1 (en) * | 1996-05-22 | 1997-11-27 | Greg Anders | Fire protection apparatus and system |
DE19707088C1 (en) * | 1997-02-24 | 1998-11-12 | Grammer Formteile Gmbh | Genesis-fired element and method for producing such an element that is genesis-proof |
US20010027071A1 (en) * | 1997-10-08 | 2001-10-04 | Thomas H. Bumbarger | Protective multi-layered liquid retaining composite |
US6371977B1 (en) * | 1997-10-08 | 2002-04-16 | Aquatex Industries, Inc. | Protective multi-layered liquid retaining composite |
US6330385B1 (en) | 1999-09-08 | 2001-12-11 | Lucent Technologies, Inc. | Cables with water-blocking and flame-retarding fibers |
DE10003856B4 (en) * | 2000-01-28 | 2004-02-05 | Korte, Hans Ernst, Dr. | Fire protection mat, its manufacture and use |
JP2003135524A (en) * | 2001-11-07 | 2003-05-13 | Uni Charm Corp | Throwaway diaper |
-
2004
- 2004-07-31 EP EP20040018211 patent/EP1621232A1/en not_active Withdrawn
-
2005
- 2005-07-29 WO PCT/EP2005/008251 patent/WO2006013068A1/en active Application Filing
- 2005-07-29 US US11/658,888 patent/US20090202777A1/en not_active Abandoned
- 2005-07-29 EP EP05769700A patent/EP1781465A1/en not_active Withdrawn
- 2005-07-29 AU AU2005268913A patent/AU2005268913B2/en not_active Ceased
Non-Patent Citations (1)
Title |
---|
See references of WO2006013068A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2006013068A1 (en) | 2006-02-09 |
US20090202777A1 (en) | 2009-08-13 |
EP1621232A1 (en) | 2006-02-01 |
AU2005268913A1 (en) | 2006-02-09 |
AU2005268913B2 (en) | 2010-10-21 |
WO2006013068A8 (en) | 2007-04-12 |
AU2005268913A2 (en) | 2006-02-09 |
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