EP3762948A1 - Irritant protective wrap - Google Patents
Irritant protective wrapInfo
- Publication number
- EP3762948A1 EP3762948A1 EP19713111.3A EP19713111A EP3762948A1 EP 3762948 A1 EP3762948 A1 EP 3762948A1 EP 19713111 A EP19713111 A EP 19713111A EP 3762948 A1 EP3762948 A1 EP 3762948A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- envelope
- protective
- protective envelope
- longitudinal
- textile
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 71
- 239000002085 irritant Substances 0.000 title claims abstract description 17
- 231100000021 irritant Toxicity 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 67
- 239000004753 textile Substances 0.000 claims abstract description 45
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 20
- 230000000622 irritating effect Effects 0.000 claims description 25
- 230000002940 repellent Effects 0.000 claims description 25
- 239000005871 repellent Substances 0.000 claims description 25
- -1 PET-FR Substances 0.000 claims description 19
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 13
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 230000004224 protection Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 7
- 239000002654 heat shrinkable material Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920001780 ECTFE Polymers 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 4
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000005077 polysulfide Substances 0.000 claims description 4
- 229920001021 polysulfide Polymers 0.000 claims description 4
- 150000008117 polysulfides Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- GHOKWGTUZJEAQD-ZETCQYMHSA-N (D)-(+)-Pantothenic acid Chemical compound OCC(C)(C)[C@@H](O)C(=O)NCCC(O)=O GHOKWGTUZJEAQD-ZETCQYMHSA-N 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229920006659 PA12 Polymers 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920006397 acrylic thermoplastic Polymers 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- VWTINHYPRWEBQY-UHFFFAOYSA-N denatonium Chemical compound [O-]C(=O)C1=CC=CC=C1.C=1C=CC=CC=1C[N+](CC)(CC)CC(=O)NC1=C(C)C=CC=C1C VWTINHYPRWEBQY-UHFFFAOYSA-N 0.000 claims description 3
- 229960001610 denatonium benzoate Drugs 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- BDHJUCZXTYXGCZ-UHFFFAOYSA-N n-[3-(dimethylamino)propyl]hexadecanamide Chemical compound CCCCCCCCCCCCCCCC(=O)NCCCN(C)C BDHJUCZXTYXGCZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001601 polyetherimide Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 235000013824 polyphenols Nutrition 0.000 claims description 3
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 claims description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 239000005322 wire mesh glass Substances 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000004813 Perfluoroalkoxy alkane Substances 0.000 claims 1
- 239000004760 aramid Substances 0.000 claims 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 claims 1
- 229920000069 polyphenylene sulfide Polymers 0.000 claims 1
- 241001465754 Metazoa Species 0.000 description 22
- 241000283984 Rodentia Species 0.000 description 21
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000000835 fiber Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 241000124008 Mammalia Species 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 229920001774 Perfluoroether Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- CHJAYYWUZLWNSQ-UHFFFAOYSA-N 1-chloro-1,2,2-trifluoroethene;ethene Chemical group C=C.FC(F)=C(F)Cl CHJAYYWUZLWNSQ-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 241000282331 Mustelidae Species 0.000 description 1
- 241000428199 Mustelinae Species 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229940023184 after bite Drugs 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical group C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009963 fulling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0035—Protective fabrics
- D03D1/0043—Protective fabrics for elongated members, i.e. sleeves
Definitions
- the invention relates to the field of protective shells intended to cover longitudinal elements, in particular cables or pipes in an environment subject to the presence of rodents, mammals, or other animal categories, which may corrode or damage the elements.
- longitudinal components and their components are intended to cover longitudinal elements, in particular cables or pipes in an environment subject to the presence of rodents, mammals, or other animal categories, which may corrode or damage the elements.
- optical fiber cables described in patent WO99 / 59166 have been developed for the purpose of removing rodents by adding insulating mass and repellent fibers: these products do not represent the entire market and imply, subject to their effectiveness. , disconnect the electrical systems to dismantle the entire network and change the cables.
- the attack is less often on the cable than on the end thereof where a bunch of cables of smaller sections is connected to the connectors. Small sections have less insulation in volume and are therefore particularly fragile in the face of rodent attack.
- ultrasonic boxes sold for vehicles have a high price, an additional purchase constraint for the user, installation costs and additional energy consumption for powering the device.
- the present invention proposes a protective envelope intended for overlaps of longitudinal elements such as cables or pipes, the protective envelope comprising a textile comprising at least one irritating material, and at least one thermoplastic material, the irritating material having an elongation at break of less than 10% and preferably less than 6%.
- a protective envelope intended for overlaps of longitudinal elements such as cables or pipes, the protective envelope comprising a textile comprising at least one irritating material, and at least one thermoplastic material, the irritating material having an elongation at break of less than 10% and preferably less than 6%.
- 'irritant material' is meant in this document a fragile and easily broken material whose fragments are likely to irritate a certain category of animals, such as rodents capable of biting the envelope. , especially in the mouth and respiratory tracts. This irritating effect is achieved by the bite of any type of animal, from rodents, mustelids to the aquatic animal, or other mammals, who would take the protective envelope in the mouth.
- the present invention makes it possible to dissuade rodents or other animal species from attacking the protective envelope and thus from protecting electrical and communication cables or any other longitudinal object. Indeed, many behavioral studies show that an undesirable effect occurring just after a specific act causes the animal to adapt its behavior to avoid the undesirable effect. When the rodent is gnawed the envelope once, its irritating character stops him and discourages him to start again.
- the protective envelope is configured to be attached to longitudinal elements, such as cables or pipes, the protective envelope comprising a woven, non-woven, knitted, or braided textile, comprising at least one irritant material, and at least one thermoplastic material, the irritating material having an elongation at break of less than 10% and preferably less than 6% so as to break into irritating fragments under the effect of the bite of an animal. After bite, the mouth of the animal is filled with irritating fibers and it does not repeat his gesture.
- the product does not break in the hands of the installer.
- the textile form has a flexibility that allows to fix in a desired shape the protective envelope, which can thus be adapted to the shapes of the longitudinal elements to be protected.
- textile is meant herein any arrangement of yarns, such as woven, nonwoven, knitted, braided yarns, etc.
- the textile is an arrangement of woven, non-woven, knitted, or braided yarns.
- yarn is understood herein to mean an assembly of fibers that may especially have been pretreated prior to being used to form filaments.
- the yarns may consist of monofilaments or multifilaments and then are arranged to form said textile.
- the yarns are pre-milled, that is to say that the yarn is turned on itself a given number of turns per meter, or gimped, that is, that is, the gimped yarns are treated to comprise a core yarn and a yarn wound around the core yarn so as to form a coating agent before forming the fabric.
- the textile used to form the protective envelope according to the present invention is flexible, unlike known materials comprising glass fibers or other irritant material cast in a thermoplastic matrix, coated or coated with a thermoplastic resin which form composite solid materials.
- This makes it possible to position the envelope easily around the functional longitudinal element but which, according to the site where it is positioned, needs to be protected.
- the protective envelope may also be reported on a local portion only of this longitudinal element which is known to be susceptible to degradation by the bite. It may even be envisaged to use the protective envelope to cover all or part of a longitudinal element already placed on a site of use in which it is subjected to the attack of animals.
- This configuration confers undeniable advantages to the present invention, especially in terms of cost compared to techniques which provide protection by the introduction of irritating fibers at the very core of the layers forming the cable, even before it is functional ( or any other longitudinal element) and which require dedicated manufacturing steps.
- This is also verified with respect to other known methods which provide for forming one or more layers by multi-filament winding of glass or winding of woven fiberglass strips around an already manufactured and functional cable.
- this known technique it is indeed necessary to protect the entire length of the cable (or the longitudinal element) before positioning on the site and not to limit the protection risk portions only.
- this protection provided on the entire longitudinal element considerably increases the weight of the latter which is then more difficult to handle.
- the protective envelope forms an outer protective sheath, configured to be attached to a longitudinal member so as to protect it.
- the longitudinal element is already manufactured before being covered by the protective envelope, in the sense that the longitudinal element as such can fulfill its final function even before being covered and protected by the protective envelope , forming an outer protective sheath.
- the envelope is already manufactured separately from the longitudinal element to which it must be reported to form external protective sheath. According to one possibility, the protective envelope is only formed by this textile.
- the textile comprises at least one irritating material in a proportion of between approximately 50 and 85% by weight. This value range makes it possible to optimize the irritating properties while maintaining the mechanical strength of the envelope.
- At least one irritating material has a Young's modulus of between approximately 40 and 900 GPa. This ensures that the irritant material breaks under the bite of an animal becoming irritating, as well as for a material whose elongation at break is less than 10% or even less than 6%.
- the textile of the protective envelope further comprises at least one metallic material.
- the metallic material may be present in the textile in the form of metal wires used as a bite dam and in addition to the other materials of the protective envelope. Indeed, a textile consisting solely of metal threads encourages the contrary harmful animals to gnaw to limit the growth of their teeth.
- At least one thermoplastic material of the protective envelope is a polymer chosen from PET (polyethylene terephthalate), PET-FR (acronym for polyethylene terephthalate Flame Retardant), PP (polypropylene), LDPE (low density polyethylene ), PEhd (high density polyethylene), PBT (polybutylene terephthalate), PA4.6 (polyamide 4.6), PAU (polyamide 11), PA6.6 (polyamide 6.6), PA12 (polyamide 12), PPS (phenylene polysulfide) , PTFE
- thermoform the protective envelope in particular in a cylindrical shape to receive cables.
- ECTFE ethylene chlorotrifluoroethylene
- PVDF polyvinylidene fluoride
- ETFE ethylene tetrafluoroethylene
- PFA perfluoroalkoxy
- PEEK polyetheretherketone
- PMMA polymethylmethacrylate
- these materials are used in the form of resin and are less hard and less resistant to rodent bite than are the prior art totally made of metal. Rodents are therefore not encouraged to file their teeth by regular and repeated contact.
- At least one irritating material of the protective envelope is selected from inorganic materials, such as glass, carbon, basalt, boron, silica carbide, silica, and ceramic son son. .
- inorganic materials such as glass, carbon, basalt, boron, silica carbide, silica, and ceramic son son. .
- These materials are chosen for their fragile and brittle nature so as to irritate the mouth of the animal that gnawed the envelope.
- the son of glass for example break under the load of a bite and the mouth of the animal is filled with fine and irritating fibers and the animal stops its attack.
- several studies show that when a harmful event occurs, the animal memorizes the place and the action and does not reiterate its action in the same place. This material then also has a deterrent effect for the animal that has been a first time in contact.
- the textile also comprises at least one repellent material, such as denatonium benzoate, ricinius speciis seed oil and palmitamidopropyl dimethylamine.
- at least one repellent material such as denatonium benzoate, ricinius speciis seed oil and palmitamidopropyl dimethylamine.
- repellent material in this document a material configured to repel a certain category of animals such as rodents, it may especially be an olfactory repellent and / or taste.
- the repellent material provides a deterrent component to the attack of the envelope by the animals considered.
- the repellent material is included in the composition of the thermoplastic material and / or the composition of the irritant material.
- thermoplastic material is incorporated in the composition for example by an intimate mixture of masterbatch type or adding additive at the time of extrusion of the thermoplastic material.
- said repellent material is coated on the textile forming the envelope or on the son constituting the textile.
- the textile of the protective envelope is woven and comprises weft threads and warp threads, preferably each of the weft threads consists of the at least one thermoplastic material and each of the warp threads consists of of the at least one irritating material.
- the fabric can be thermoformed in a determined configuration.
- the application of a stress in a direction perpendicular to the direction of the warp of the woven fabric results in the weft yarns curving around this same direction.
- Weaving can be achieved by pairwise threading, that is, pairwise tucking, in which the cross is formed of a weft yarn for two warp yarns.
- the crossing is obtained by a weft thread for a warp thread.
- the protective envelope formed beforehand on at least a portion of the longitudinal element already manufactured and functional, and then to heat it beyond the temperature of retraction of said heat-shrinkable material, while limiting heating to a temperature below that resulting in the degradation of the envelope or the longitudinal element.
- the protective envelope matches the shape of the longitudinal element, which ensures perfect fixation. In this case, it is of course necessary to anticipate the shrinkage of the envelope during the determination of the initial dimensions thereof to ensure the recovery of the total circumference of the longitudinal element in the end.
- the weft of the textile material is entirely made of the heat-shrinkable material.
- the wire of heat-shrinkable material retracts longitudinally.
- the weft retracts allowing the reduction of the diameter of the protective envelope.
- the protective envelope further comprises at least one mechanical resistant material chosen from aramids, polyethylene terephthalate, polyamide, polyethylene, polypropylene, acrylics, phenylene polysulfide, polyazoles, polyetherimides, phenolics.
- mechanical resistant material chosen from aramids, polyethylene terephthalate, polyamide, polyethylene, polypropylene, acrylics, phenylene polysulfide, polyazoles, polyetherimides, phenolics.
- the mechanically resistant material is a material chosen for its properties of resistance to wear and especially to bite. Its presence in the composition of the textile also makes it possible to compensate for the presence of brittle and brittle irritant material in the textile so as to form a protective envelope which does not deteriorate when it is handled, or placed on all or part of a longitudinal element, in the factory at the end of manufacture of the longitudinal element or directly on the site of use.
- the weft son consist of monofilaments, so as to facilitate the thermoforming of the textile. So the textile can be thermoformed to result in a tubular shape facilitating insertion of a portion or all of a longitudinal member.
- the textile or each of the weft threads and / or each of the warp threads is coated with the at least one repellent material.
- the at least one thermoplastic material of the protective envelope consists of PET monofilaments having a diameter of about 0.28 mm and coated with an olfactory repellent material and / or taste repellent.
- the at least one irritating material of the protective envelope consists of wired glass multifilaments E.
- thermoplastic material leads to obtaining an optimum product in terms of repulsiveness, cable coverage, mechanical strength.
- a protective envelope using this composition can moreover be obtained at a reasonable cost.
- the protective envelope extends along a longitudinal axis and has a generally cylindrical shape.
- the textile is woven, braided or knitted into a tube so that the envelope has an overall closed cylinder shape along the longitudinal axis of the envelope.
- the generally cylindrical shape then only has two openings at the longitudinal end regions.
- the protective envelope comprises a longitudinal opening extending in a direction parallel to the longitudinal axis of the generally cylindrical shape, so as to allow the introduction of longitudinal elements in the envelope.
- the casing is easy to install around the cables to protect even when they are already in place because it does not require disconnecting the connections, and can adapt to different diameters of cables and connectors.
- the envelope can be easily removed during an intervention on the assembly without disconnecting the components of the assembly.
- the envelope can be stretched to place a cable, it returns to its original cylindrical shape once the stress released so as to completely surround and protect the cable.
- the longitudinal opening extends over the entire protective envelope.
- the introduction of the longitudinal element is thus facilitated as well as its possible withdrawal.
- the longitudinal opening is delimited by a first longitudinal portion and a second longitudinal portion of the envelope, the first longitudinal portion being shaped to cover the second longitudinal portion along a covering zone. It is understood in this document that the first longitudinal portion and the second longitudinal portion extend along the longitudinal opening and in a direction parallel to the longitudinal axis of the generally cylindrical shape of the casing. This configuration guarantees a very good protection of the longitudinal elements placed therein.
- the width of the overlap area is about one-fourth of the circumference of the shroud.
- the first longitudinal portion comprises a first attachment means and the second longitudinal portion comprises a second attachment means complementary to the first attachment means, so as to allow closing of the longitudinal opening.
- the envelope is thin, it has a thickness of between a few tenths of a mm to a few mm and preferably a thickness of less than 3 millimeters.
- FIG. 1 schematically illustrates a protective envelope according to a first embodiment of the invention.
- the invention is a schematic illustration of weave weave of the envelope according to a second embodiment of the invention.
- FIG. 3 is a schematic illustration of another weave weave of the envelope according to a third embodiment of the invention.
- FIG. 1 represents a protective envelope 100, in particular intended to cover a longitudinal element such as a cable.
- the envelope 100 comprises a textile 1 extending along a longitudinal axis A in a generally cylindrical shape.
- the textile 1 comprises a thermoplastic material, an irritating material and a repellent material.
- This textile 1 is a woven material in which the thermoplastic material is PET, the irritant material is glass fibers and the repellent material is denatonium benzoate coated on the textile 1.
- the composition of the textile does not comprise a repellent element.
- the textile 1 takes the form of any type of yarn arrangement, preferably chosen from woven yarns such as nonwoven, knitted, braided yarns.
- the thermoplastic materials used in other variants are chosen from at least one of PET-FR, PP, PEbd, PEhd, PBT, P A4.6, PAU, PA6.6, PA12, PPS, PTFE, ECTFE, PVDF, ETFE, FA, PEEK and PMMA.
- the at least one irritant material is selected from materials having an elongation at break of less than about 10% or even less than about 6%.
- the at least one irritant material has a Young's modulus of between 40 and 900GPa so that it is selected from carbon threads, basalt, boron, silica carbide, silica, and ceramics.
- the odoriferous and / or tasteful repellent material is also chosen from at least Ricinius speciis seed oil and Palmitamidopropyl Dimethylamine.
- the repellent material is deposited on the warp son and / or the weft son by coating before weaving.
- the proportion of irritant material in the textile is variable between 50 and 85% by weight.
- the woven fabric 1 shown in FIG. 1 has weft threads 2 made of PET while the warp threads 3 are made of glass fibers.
- This type of weave allows the textile 1 of the protective envelope 100 to take the generally cylindrical conformation illustrated.
- a thermal treatment of the textile 1 beyond the glass transition temperature makes it possible in fact to soften the thermoplastic material and the application of a stress in a determined direction (here perpendicular to a longitudinal axis A of the desired cylinder or else to The axis of the warp threads 3) then makes it possible to configure the envelope 100 in a cylindrical shape. This shape is maintained after cooling, and the textile 1 retains its elastic deformation properties.
- the envelope 100 comprises a longitudinal opening 4 which extends in a direction parallel to the longitudinal axis A of the generally cylindrical shape of the envelope 100.
- the longitudinal opening 4 is delimited by a first longitudinal portion 5 and a second longitudinal portion 6, the first portion 5 covering the second portion 6 according to a covering zone 7 which corresponds to about a quarter of the circumference of the protective envelope 100.
- a cable already mounted and connected to a network can be easily inserted into the protective envelope 100 whose diameter can adapt to that of the cable and which has a covering area 7 ensuring effective protection against rodents and other pests.
- the overlap zone 7 varies between 1/8 to 1/3 of the circumference of the protective envelope 100.
- a first attachment means is provided on the first longitudinal portion 5 and second attachment means complementary to the first means is provided on the second longitudinal portion 6. These means are configured to allow the closure of the longitudinal opening 4 of the envelope 100 and provide greater security against rodent attacks.
- the textile 1 is woven, braided or knitted in a tube.
- a longitudinal opening 4 is formed in the tube after weaving, knitting, braiding.
- FIG. 2 represents a first example of weaving of the protective envelope.
- the son illustrated in full line represent the weft son 2 loaded with a repellent material.
- These weft yarns 2 are in particular PET thermoplastic resin monofilaments and the repellent material is loaded with monofilaments at the time of its extrusion.
- Each of these weft yarns 2 cross warp yarns 3 which extend in a direction perpendicular to the weft yarn, the crossing is of a weft yarn for a warp yarn.
- These warp threads 3 are made of an irritating material such as ceramic fibers which have a brittle, brittle and very irritating behavior in the event of a bite for the rodent.
- the weft threads 2 and / or the warp threads 3 partially comprise metal or a mechanically resistant and less conductive material, such as aramids, polyethylene terephthalate, polyamide, polyethylene, polypropylene, acrylics, phenylene polysulfide, polyazoles, polyetherimides and phenolics, to improve the resistance of the tissue to rodent attacks.
- aramids polyethylene terephthalate
- polyamide polyethylene
- polypropylene acrylics
- phenylene polysulfide polyazoles
- polyetherimides polyetherimides and phenolics
- FIG. 3 represents another type of weave that has crossings of a weft thread for two warp threads, which allows the advantage of being much less easily subjected to sliding of the warp threads 3 on the threads.
- weft threads 2 The fabric is more resistant to handling without losing its flexibility or taking more linear mass. Indeed, the lateral sliding of the warp threads 3 when the spreading fabric is subjected depends on the ratio of the surface of the weft threads 2 alternately covering the warp threads 3.
- the weft threads 2 in monofilaments of PET resin, loaded with an olfactory repellent and / or taste and have a diameter of about 0.28mm. The addition of the repellent is obtained by intimate mixing type masterbatch.
- the warp yarns 3 are composed of yarn of ceramics or son of glass multifilaments E cabled.
- the fabrics still have different weaves, such as fluted, reps, braided, twill twill, compound twill, shaped twill, satin repetition, satin alternative, and satin, etc.
- the textile of the protective envelope 100 comprises weft son 2 comprising at least one heat-shrinkable material so as to retract in particular when the protective envelope covering the longitudinal elements is heated beyond a threshold temperature determined according to the nature of the heat-shrinkable material.
- the present invention provides a protective envelope 100 effective against rodents or other animals capable of attacking cables with a thermoformable textile 1 having son resistant, irritating to the bite and repellent, can take a conformation adapted to the element longitudinal to protect while having a thin thickness of the order of a few tenths of a mm to a few mm thickness.
- the envelope 100 is advantageously provided with a longitudinal opening 4 allowing the introduction of said element and a covering zone 7 provided with means for closing said opening. It is also possible to position the protective envelope 100 on a part of a longitudinal element already in operation on site, to protect this part a posteriori and limit the costs of protection.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Textile Engineering (AREA)
- Catching Or Destruction (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Details Of Indoor Wiring (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1852057A FR3078815B1 (en) | 2018-03-09 | 2018-03-09 | IRRITANT PROTECTIVE WRAP |
PCT/FR2019/050524 WO2019171014A1 (en) | 2018-03-09 | 2019-03-08 | Irritant protective wrap |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3762948A1 true EP3762948A1 (en) | 2021-01-13 |
Family
ID=63014637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19713111.3A Pending EP3762948A1 (en) | 2018-03-09 | 2019-03-08 | Irritant protective wrap |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3762948A1 (en) |
FR (1) | FR3078815B1 (en) |
MA (1) | MA53257A (en) |
WO (1) | WO2019171014A1 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4505541A (en) * | 1982-03-31 | 1985-03-19 | Sea-Log Corporation | Rodent-resistant non-conductive optical fiber cable |
DE3502042A1 (en) * | 1985-01-23 | 1986-07-24 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Cable with rodent protection |
US4874219A (en) * | 1988-05-17 | 1989-10-17 | American Telephone And Telegraph Company, At&T Bell Laboratories | Animal-resistant cable |
WO1999059166A2 (en) | 1998-05-14 | 1999-11-18 | Owens Corning | Non-metallic rodent resistant cable protection |
ES2273588B1 (en) * | 2005-07-29 | 2008-04-01 | Relats, S.A. | METHOD FOR THE MANUFACTURE OF CABLE, TUBE AND SIMILAR PROTECTIVE CASES. |
FR2916081B1 (en) * | 2007-05-07 | 2009-09-25 | Fed Mogul Systems Prot Group S | ELECTROMAGNETIC PROTECTIVE SHEATH IN TEXTILE. |
CN104966556A (en) * | 2015-07-03 | 2015-10-07 | 章乐电缆(瑞金)有限公司 | Rat-proof and termite-proof cable |
US11180872B2 (en) * | 2016-08-24 | 2021-11-23 | Federal-Mogul Powertrain Llc | Impact resistant, shrinkable woven tubular sleeve and method of construction thereof |
-
2018
- 2018-03-09 FR FR1852057A patent/FR3078815B1/en active Active
-
2019
- 2019-03-08 EP EP19713111.3A patent/EP3762948A1/en active Pending
- 2019-03-08 WO PCT/FR2019/050524 patent/WO2019171014A1/en active Application Filing
- 2019-03-08 MA MA053257A patent/MA53257A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MA53257A (en) | 2021-09-15 |
FR3078815A1 (en) | 2019-09-13 |
FR3078815B1 (en) | 2022-02-25 |
WO2019171014A1 (en) | 2019-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2685067C (en) | Electromagnetic protection sheath made of textile | |
FR2942551A1 (en) | CABLE COMPRISING ELEMENTS TO BE EXTRACTED, METHOD OF EXTRACTING THESE ELEMENTS AND METHOD OF MANUFACTURING THE SAME | |
FR2593929A1 (en) | OPTICAL FIBER CABLE | |
FR2505509A1 (en) | METHOD AND PACKAGING FOR PROTECTION OF SPARES OF OPTICAL FIBERS | |
EP0784181A1 (en) | Braided sleeve for protecting an elongated element and method for manufacturing the same | |
WO2006079697A1 (en) | Thermal protection sheath | |
FR3011822A1 (en) | DEVICE FOR FIXING A FLEXIBLE RESERVOIR IN A COMPARTMENT | |
EP3762948A1 (en) | Irritant protective wrap | |
CA2715406C (en) | Cable trough for aircraft with composite material structure | |
EP3935652A1 (en) | Low current self-illuminated power cable which retains flexibility, and method of manufacturing same | |
FR3006032A1 (en) | FLEXIBLE TUBULAR DRIVER HEATED BY PASSING AN ELECTRIC CURRENT WITHIN CARBON COMPOSITE ARMS | |
WO1995004358A1 (en) | Fireproof sheath and method for making same | |
WO2014188101A1 (en) | Heating device suitable for encasing a fluid-transporting conduit | |
EP3529870B1 (en) | Protective sheath in particular intended for housing electrical cables | |
EP2892057A2 (en) | Thermal protection casing for protecting a cable and/or a cable accessory | |
EP2760030A1 (en) | Power and/or telecommunications cable comprising at least one electrically insulating layer | |
EP0691720B1 (en) | System for protecting and fixing a cable loom | |
EP1626415B1 (en) | Noise reduction of overhead lines by a plastic sheath | |
WO2007026096A1 (en) | Linear element for an electric fence | |
FR2928199A1 (en) | Net structure i.e. wrapped flat net structure, for providing maintenance and protection function of e.g. electrical conductor bunch, in motor vehicle, has wires and meshes, where total thickness of structure is equal to specific millimeter | |
EP2767984A1 (en) | Power and/or telecommunication cable | |
EP0851258A1 (en) | Fiber optical cable, flexible and with improved resistance | |
FR3119685A1 (en) | Installation of overhead optical cable with reduced swabbing effect | |
CA1199381A (en) | Organic kevlar fiber cable for supporting aerial transmission lines | |
EP1171657B1 (en) | Electromagnetic multiwall fabric |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20201007 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
RAV | Requested validation state of the european patent: fee paid |
Extension state: MA Effective date: 20201007 Extension state: TN Effective date: 20201007 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20210702 |