EP3359717A1 - Fil anti-coupure, vêtement de protection fabriqué a l'aide d'un tel fil et procédés de fabrication afférents - Google Patents
Fil anti-coupure, vêtement de protection fabriqué a l'aide d'un tel fil et procédés de fabrication afférentsInfo
- Publication number
- EP3359717A1 EP3359717A1 EP16791655.0A EP16791655A EP3359717A1 EP 3359717 A1 EP3359717 A1 EP 3359717A1 EP 16791655 A EP16791655 A EP 16791655A EP 3359717 A1 EP3359717 A1 EP 3359717A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- cut
- yarn
- fiber
- core
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 48
- 230000001681 protective effect Effects 0.000 title claims description 33
- 239000000835 fiber Substances 0.000 claims abstract description 120
- 239000011247 coating layer Substances 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 41
- 239000005871 repellent Substances 0.000 claims abstract description 35
- 238000005520 cutting process Methods 0.000 claims abstract description 29
- -1 polyethylene Polymers 0.000 claims description 65
- 238000000576 coating method Methods 0.000 claims description 53
- 239000011248 coating agent Substances 0.000 claims description 50
- 239000004743 Polypropylene Substances 0.000 claims description 39
- 229920001155 polypropylene Polymers 0.000 claims description 39
- 229910001220 stainless steel Inorganic materials 0.000 claims description 38
- 239000010935 stainless steel Substances 0.000 claims description 38
- 239000004753 textile Substances 0.000 claims description 33
- 229920000728 polyester Polymers 0.000 claims description 28
- 239000004952 Polyamide Substances 0.000 claims description 25
- 239000004698 Polyethylene Substances 0.000 claims description 25
- 238000009940 knitting Methods 0.000 claims description 25
- 229920002647 polyamide Polymers 0.000 claims description 25
- 229920000573 polyethylene Polymers 0.000 claims description 25
- 239000011152 fibreglass Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000003365 glass fiber Substances 0.000 claims description 14
- 238000009736 wetting Methods 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000000806 elastomer Substances 0.000 claims description 8
- 238000009941 weaving Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000002940 repellent Effects 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 19
- 239000005020 polyethylene terephthalate Substances 0.000 description 19
- 238000005299 abrasion Methods 0.000 description 13
- 239000002131 composite material Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 229920002334 Spandex Polymers 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000004759 spandex Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000010868 animal carcass Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000002036 drum drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/442—Cut or abrasion resistant yarns or threads
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
- D10B2101/06—Glass
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/20—Metallic fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
- D10B2321/0211—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene high-strength or high-molecular-weight polyethylene, e.g. ultra-high molecular weight polyethylene [UHMWPE]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/021—Moisture-responsive characteristics hydrophobic
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
- D10B2501/041—Gloves
Definitions
- the present invention relates to the field of textile yarns for technical use to impart to the products in which they are incorporated a mechanical characteristic of cut resistance by sharp objects, the field of protective clothing against the risk of cut by sharps for example, cut-resistant protective gloves, as well as the field of manufacturing processes for such threads and protective clothing against the risk of cuts.
- the present invention relates more particularly to an anti-cut wire, comprising:
- a core at least made of a fiber of a material resistant to cutting
- At least one cover wire which at least partially covers the core.
- the present invention also relates to a method of manufacturing such an anti-cut wire.
- the present invention furthermore relates to an anti-cut protection garment, for example a glove, made with at least one anti-cut-off yarn.
- the present invention finally relates to a method of manufacturing an anti-cut protection garment, for example a glove.
- son and technical fibers In the field of textile threads resistant to cut by sharp objects, a large number of son and technical fibers are known or assembling son and technical fibers having intrinsic properties of mechanical strength particularly high, allowing them, in particular, to withstand a major slicing effort. Such yarns and technical fibers are commonly referred to by the term "cut-off", well known in the art.
- the use of glass fibers or stainless steel is, for example, well known in the intended field.
- son and synthetic organic fibers with very high performance such as para-aramid fibers or high tenacity polyethylene.
- the European legislation through the EN 388 standard, requires manufacturers to indicate the level of resistance of their protective gloves against the so-called mechanical risks, ie the risks related to abrasion, cutting, tearing and puncturing.
- the cut resistance is, in this context, determined by measuring the number of cycles necessary to cut the sample at a constant speed and classified on a scale from 1 to 5.
- Such cut-resistant protective clothing is classically used in industry to deal with the risk of serious injury caused by sharp objects, such as knives, sheet metal parts, burrs, glass, blade tools, etc.
- a well-known and widespread solution consists in coating the garment, in part or in whole, with an elastomeric material, for example latex, nitrile foam, or polyurethane, so as to form a waterproof layer on the surface of the garment.
- an elastomeric material for example latex, nitrile foam, or polyurethane
- these impermeable coating materials have low resistance to abrasion and washing and drying cycles, as well as very poor breathability, i.e. say that they do not allow, or very little, the evacuation of perspiration in the form of water vapor.
- Another well-known alternative solution consists in impregnating the knitted garment in full bath with the aid of a coating paste composed, for example, of particular chemical specialties with hydrophobic and / or lipophilic properties, so as to form the surface of the garment a water-repellent coating.
- the invention therefore aims to remedy the various disadvantages mentioned above, and to propose a new anti-cut wire having both excellent properties of resistance to cutting by sharp objects and resistance to wetting.
- Another object of the invention is to propose a new process for manufacturing a particularly simple and effective wicking resistant wire which does not degrade the mechanical performance of the anti-cut components of the wire.
- Another object of the invention is to propose a novel method of manufacturing a cut-resistant yarn whose water-repellent treatment is robust, durable and particularly resistant to a large number of washing / drying cycles.
- Another object of the invention is to provide a novel method of manufacturing a mop-resistant cut-resistant yarn and provided with a very high resistance to abrasion.
- Another object of the invention is to propose a new protective clothing against the risk of cut by sharp objects offering both a very high resistance to cutting and excellent resistance to wetting, this wetting resistance being particularly durable in the weather.
- Another object of the invention is to propose a new protective clothing against the risk of cut by sharps having a very good breathability.
- Another object of the invention is to provide a new protective clothing against the risk of cut by sharp objects offering in addition a very good dexterity.
- the objects assigned to the invention are achieved by means of an anti-cut wire, comprising:
- a core at least consisting of a fiber of a material resistant to cutting by sharp objects
- cover wire which at least partially covers the core, characterized in that the cover wire is provided over its entire surface with a coating layer impervious to liquids, so as to impart to said anti-cutoff wire a property of resistance to wetting.
- a step of manufacturing or supplying at least one core cover wire characterized in that said method comprises the following successive steps:
- a coating step during which the covering yarn is coated over its entire surface with a coating preparation to obtain a coated cover yarn, said coating preparation being designed to form a water-repellent coating layer; on the entire surface of said coated cover wire,
- an assembly step during which the cover wire is assembled with said core so as to cover at least partially said core with said cover wire.
- the objects assigned to the invention are also achieved by means of an anti-cut protection garment, for example a glove, characterized in that it comprises a textile piece made from at least a first conforming yarn to the description of the anti-cut wire which is made above.
- the objects assigned to the invention are finally achieved by means of a method of manufacturing an anti-cut protection garment, for example a glove, characterized in that it comprises a step of manufacturing a workpiece textile by means of at least one anti-cut wire according to the invention.
- FIG. 1 illustrates a preferred embodiment of a first, single-core variant of FIG. anti-cut of the invention
- FIG. 2 illustrates a preferred embodiment of a second variant, with a composite core, of the anti-cut wire of the invention
- FIG. 3 illustrates a preferred embodiment of a third variant, with composite core and with double cover wire, of the anti-cut wire of the invention
- FIG. 4 illustrates a preferred embodiment of a fourth variant, with a composite core and with a double cover wire, of the anti-cutoff fiber of the invention
- FIG. 5 illustrates a preferred embodiment of a first knit yarn intended to be knitted, in particular with the anti-cut yarn of FIGS. 3 or 4;
- FIG. 6 illustrates a first example of a preferred embodiment of a glove-type anti-cut garment, obtained by knitting in triple jersey jersey of anti-cut yarns according to the variants of FIGS. 1 and 2;
- FIG. 7 illustrates a second example of a preferred embodiment of a glove-type cut-resistant garment obtained by knitting in a vanized jersey of a cut-resistant yarn according to the variant of FIG. 3 with the first knitting yarn. of Figure 5;
- FIG. 8 illustrates a third example of a preferred embodiment of a glove-type anti-cut garment obtained by knitting a cut-off yarn in jersey according to the variant of FIG. 4.
- anti-cut-off wire is meant, as introduced above, a single or composite technical textile yarn, that is to say composed of several yarns or fibers of different materials, having an intrinsic property of particularly high mechanical strength, allowing it to withstand a stress slicing, as evaluated, for example, by the method proposed by the ISO 13 997 standard of 1999.
- the anti-cut 1 wire is suitable for use in the manufacture of textile pieces, for example by knitting or weaving, using industrial or semi-industrial means (knitting or weaving machines). ) mechanical or electronic.
- the anti-cut wire 1 comprises:
- a core 2 at least consisting of a fiber of a material resistant to cutting by sharp objects
- At least one cover wire 3 which at least partially covers the core 2, said covering wire 3 being provided over its entire surface with a water-repellent coating layer, so as to impart to said anti-cut-off wire 1 a property of resistance to wetting.
- the core 2 is intended to contribute significantly, if not totally, to the anti-cut character of the anti-cut wire.
- the core 2 of the anti-cut wire 1 may be either simple, that is to say that it consists only of a single fiber of a material resistant to cutting by sharp objects, or composite, that is to say made of fibers, at least one of which is a fiber of a material resistant to cutting by sharp objects, the other fibers which, conversely, can not have any particular characteristic in terms of cut resistance.
- Said material resistant to cutting by sharp objects is preferably a material having intrinsic physicochemical characteristics such as to give a fiber made in this material an anti-cut character.
- a material having intrinsic physicochemical characteristics such as to give a fiber made in this material an anti-cut character.
- such a material makes it possible to obtain a fiber having a tenacity (for example measured using a tensile test) greater than or equal to 1 cN / dTex, preferably greater than or equal to 2 cN / dTex, more preferably greater than or equal to 3 cN / dTex.
- the cover wire 3 is preferably not intended to contribute, as such, to the anti-cut nature of the anti-cut-off wire 1. It therefore preferably does not have any particular characteristic in terms of resistance. at the break.
- cover wire 3 has on the contrary a particular resistance to cutting and / or abrasion.
- This cover wire 3 is provided over its entire surface, with the possible exception of the cross-sectional area of its ends, with a water-repellent coating layer.
- the latter can be naturally present on the surface of the fi! 3, but it is however preferentially provided by the implementation of a particular coating operation.
- coating layer means a coating applied by coating on a surface, without prejudging the nature, thickness or rheological characteristics of the material or substance forming the layer in question.
- the term "coating layer” may in particular denote either a thick layer of a pasty material or a very thin layer of a liquid material (type of chemical or coating primer). Assembled on the core 2 so as to cover it at least partially, and preferably completely, this coated cover wire 3 thus makes it possible to give the anti-cut-off yarn 1 thus formed a property of resistance to wetting by the liquids, property whose soul 2 itself was substantially devoid or, where appropriate, substantially superior to that of which the soul 2 was itself endowed.
- the anti-cut wire 1 of the invention can advantageously be declined according to a multitude of embodiments and, for example, according to at least the three preferred variants F1, F2, F3 described below by way of illustration and not limitation, and illustrated in FIGS. 1 to 3.
- the core 2 of the anti-cut wire 1 is composed of at least one high tenacity polyethylene fiber 4, for example multi-filament.
- said high tenacity polyethylene fiber 4 is continuous.
- continuous fibers generally have a better modulus of elasticity, while also avoiding the dispersion in the environment fibrils or staple fibers when the anti-cut wire 1 in which they are integrated gradually wears out.
- Such dispersion is in fact particularly proscribed in certain fields of application, such as for example in the food industry where any contamination by foreign bodies (fibrils or other) must be absolutely avoided.
- high-tenacity polyethylene is generally meant a family material polyethylenes very high molecular weight (UHMPE), also called high modulus polyethylenes (PEHM), ultra high modulus polyethylene (PMUE) or high performance polyethylene (HPPE).
- UHMPE very high molecular weight
- PEHM high modulus polyethylenes
- PMUE ultra high modulus polyethylene
- HPPE high performance polyethylene
- Such high tenacity polyethylene fibers 4 are, for example, known under the trademark "SPECTRA®” marketed by the company ALLIED SIGNAL / HONEYWELL or “DYNEEMA®” marketed by the company DSM.
- the core 2 of the anti-cutoff wire 1 is composed of a stainless steel fiber 5 and a glass fiber 6 coated with a polypropylene fiber 7. preferably so that said polypropylene fiber 7 partially overlaps, and preferably completely, said stainless steel fiber 5 and fiberglass 6.
- the core 2 is composite.
- the core 2 of the anti-cutoff wire 1 is composed of at least one high tenacity polyethylene fiber 4 mounted in parallel with an assembly of a stainless steel fiber 5 and a glass fiber 6, said stainless steel fiber 5 and fiberglass 6 being coated with a polypropylene fiber 7, preferably of a said polypropylene fiber 7 partially and even more completely covers said stainless steel and fiberglass fibers 6.
- the anti-cut wire 1 of the invention can also be declined according to a fourth preferred variant F4, as illustrated in Figure 4.
- the core 2 of the anti-cut wire 1 is composed of a subassembly of at least two stainless steel fibers 5 and a glass fiber 6 connected in parallel and coated with a polypropylene fiber 7, so that said polypropylene fiber 7 preferably overlaps, and even more preferably completely, said stainless steel fiber 5 and fiberglass fiber 6.
- This subassembly is itself coated with a high polyethylene fiber toughness 4 for forming said core 2, preferably such that said high tenacity polyethylene fiber 4 partly overlaps, and even more preferably completely, said subassembly.
- the core 2 is composite.
- the polypropylene fiber 7 advantageously makes it possible to protect the glass fiber 6, and to a lesser extent the stainless steel fiber 5, by giving them better resistance to fracture and to contain any broken fibrils or fragments. As mentioned above, said polypropylene fiber 7 more completely covers said stainless steel fiber 5 and glass fiber 6. Such a configuration makes it possible, particularly advantageously, to form, after heating of said polypropylene fiber 7, a protective sheath of said stainless steel fiber 5 and fiberglass 6. In fact, the heating and melting of the polypropylene fiber 7 makes it possible to create around said stainless steel fiber 5 and fiber of glass 6 a sheath, advantageously uniform and continuous, of polypropylene.
- the anti-cut-off wire 1 according to the first and second variants F1, F2 preferably comprises a single cover wire 3 which completely covers the core 2, whereas the anti-cut-off wire 1 according to the third vanante F3 comprises it preferably has two cover wires 3, assembled on the core 2 so as to form respectively a first 8 and a second 9 superimposed coatings.
- the high tenacity polyethylene fiber 4, the glass fiber 6, the stainless steel fiber 5 and the polypropylene fiber 7, which make up the core 2 of the anti-cut wire 1 according to this third variant F3, are therefore covered, preferably completely, by winding a first cover wire 3, itself covered, preferably completely, by winding a second cover wire 3.
- said first cover wire 3 is advantageously mounted relative to the core 2 in a reverse twist to that of the polypropylene fiber 7 on said stainless steel fiber 5 and fiberglass 6, while said second cover wire 3 is itself mounted relative to said first cover wire 3 in a reverse twist to that of the latter.
- the core 2 of the anti-cutoff wire 1, and in particular the core 2 of the fi! anti-cut 1 according to the fourth variant F4 ( Figure 4) can be covered (preferably completely) by winding a first and a second cover son 3 connected in parallel so as to ensure excellent recovery of said soul 2. It is alternatively perfectly conceivable that the anti-cut wire 1 has more than two cover wires 3 as described above.
- said cover wire 3 is, preferably, a polyester thread 10A, and even more preferably a poly yarn (ethylene terephthalate) (PET). Said polyester thread 10A is, moreover, advantageously continuous.
- polyester is a hydrophobic material and relatively resistant to abrasion.
- poly (ethylene terephthalate) PET
- PET poly (ethylene terephthalate)
- PET has the additional advantage of a relatively high melting temperature, of the order of 245 ° C, compared with the melting temperatures of high polyethylene.
- polyester thread 10A is composed of a material of the family of polyesters other than poly (ethylene terephthalate) ( PET), for example polybutylene terephthalate (PBT), a recycled polyester or a high-tenacity polyester, provided that this polyester material has
- the cover wire 3 is preferably not intended to contribute, as such, to the anti-cut character of the anti-cut 1 wire. However, it is conceivable, without departing from the scope of the invention. , that this cover wire 3 contributes, on the contrary, to the anti-cut nature of the anti-cut wire 1.
- the cover wire 3 may, in addition, advantageously have an abrasion resistance property so as to allow the obtaining a cut-resistant yarn 1 both resistant to wetting and provided with excellent resistance to abrasion and wear. In such a case, the fi! cover 3 may then be especially composed of fibers of a material resistant to cutting by sharp objects and / or a material resistant to abrasion and wear.
- the material or materials constituting such a cover wire 3 will advantageously have a physico-chemical resistance characteristic capable of enabling them to withstand a fixing treatment, whether thermal or ultraviolet irradiation, a coating preparation, for example hydrophobic and lipophobic, said covering wire 3 will be coated, and without altering their intrinsic mechanical properties of cut resistance and / or resistance to abrasion and to wear.
- said cover wire 3 of the anti-cut-off wire 1 may thus be preferably a wire of known material for its abrasion resistance property, such as for example a wire selected from the group comprising a wire of polyamide (PA) 10B (such as, for example, a polyamide thread 6, a high tenacity polyamide thread, a polyamide thread 6.6, a high tenacity polyamide thread 6.6, a polyamide thread 11, a high polyamide thread 11 tenacity, recycled polyamide yarn, etc.), polypropylene yarn (PP) and polyvinyl chloride yarn (PVC).
- PA polyamide
- the invention also relates as such to a method of manufacturing a cut-off wire 1, and advantageously to an anti-cut-off wire 1 according to the description which is given above, this method comprising:
- said method comprises the following successive steps:
- a coating step during which coating wire 3 is coated over its entire surface with a coating preparation to obtain a coating wire 3 coated, said coating preparation being designed to form a coating layer; water-repellent coating on the entire surface of said coating wire 3 coated,
- said coating preparation is advantageously a preparation, in liquid or pasty form, containing a certain number of chemical specialties including, for example, hydrophobic and lipophobic agents.
- Said coating preparation may, during said coating step, be applied to the cover wire 3 by calendering, blade, squeegee, multi-point printing, immersion in full bath, foam or by spraying, the application being made in any case preferably in a homogeneous manner so as to form a coating layer of smooth appearance and substantially constant thickness over the entire length of the cover wire 3.
- said step d coating is carried out during said step of manufacturing or supplying at least one cover wire 3, so that at the end of this step one obtains a fi! 3 coated coating, this coating step in any case precedes said assembly step.
- said manufacturing method further comprises a treatment step, during which the fi lm is subjected to. cover 3 coated with a fixing treatment so as to fix said water-repellent coating layer on said cover wire 3.
- This treatment step is advantageously interposed between said coating step and the assembly step, so only the cover wire 3 is subjected to said fixing treatment.
- This fixing treatment preferably consists of a heat treatment.
- it could, if necessary, consist of a different treatment, for example by UV irradiation.
- This method of manufacture is particularly advantageous when said fixing treatment consists of a heat treatment at a temperature higher than the melting temperatures of the material or materials which form the fibers constituting the core 2, or at least at a temperature above the temperature at from which the fiber or fibers of a material resistant to cutting by sharp objects have their mechanical properties of cut resistance begin to degrade.
- said fixing treatment uses a UV irradiation
- said manufacturing method would be, by analogy, particularly advantageous when the material or materials which form the fibers constituting the core 2, and in particular those forming the fiber or fibers of a material resistant to cutting by sharp objects, are sensitive to ultraviolet rays, that is to say that their mechanical properties of cut resistance are degraded by these ultraviolet rays.
- said fixing treatment is therefore a treatment, for example of polymerization of the coating preparation, capable of creating strong physico-chemical bonds between said coating layer and the surface of said cover wire 3 so that said coating layer water-repellent, once subjected to this fixing treatment, gives said cover wire 3 a water-repellent property resistant especially to a large number of household washing cycles and drum drying, typically thirty cycles.
- the cover wire 3 is coated, treated and assembled on the core 2 in order to form said anti-cut wire 1, the latter is provided with a property of resistance to wetting itself.
- the invention further relates, as such, to a garment 1 1 for cut-off protection, for example a glove 12, comprising a textile part 13 made, for example by knitting or weaving, from at least one first wire 14A, 14B according to one or other of the variants F1, F2, F3, F4 of the anti-cut wire 1 described above.
- a garment 1 1 cutting protection thus advantageously offers both a very high resistance to cutting by sharp objects, as assessed according to the standards of ISO 13 997 and EN 388, and excellent resistance at mooring, in particular by liquids such as water, oils and body fluids (blood, etc.).
- said garment 1 1 of anti-cut protection may, without departing from the scope of the invention, alternately form, by for example, a protective arm and forearm cuff, a chasuble, an apron, pants or a leggings.
- the anti-cut protection garment may advantageously be declined according to a multitude of embodiments and, for example, according to at least the two variants V1, V2, which are preferential described below by way of illustration and not limitation, and illustrated in FIGS. at 7.
- said textile part 13 that comprises said garment 11 of cut-off protection is made from:
- a first wire 14A which comprises a core 2 composed of at least one high tenacity polyethylene fiber 4, and at least one, and preferably only one, cover wire 3 which at least partially covers the core 2, said cover wire 3 being provided over its entire surface with a water-repellent coating layer, so as to impart to said first knit yarn 14A a wetting resistance property,
- a second wire 15A which comprises a core 2 composed of a stainless steel fiber 5 and a glass fiber 6 coated with a polypropylene fiber 7 and at least one, and preferably a single, wire covering 3 at least partially covering the core 2, said covering wire 3 being provided over its entire surface with a liquid impervious coating layer, so as to impart to said second knitting yarn 15A a resistance property to anchorage, and - a third fi! 16A which is a fi! of polyester provided throughout its surface with a water-repellent coating layer.
- the first wire 14A is advantageously the anti-cut-off wire 1 according to the variant F1 described above and illustrated in FIG. FIG. 1. It thus preferably comprises a core 2 composed of a single high tenacity polyethylene fiber 4, multi-filament and continuous, coated by assembling a "S" twisted cover wire 3, said cover wire 3 preferably being a polyester yarn, preferably still poly (ethylene terephthalate) (PET), multi-filament and continuous, and provided throughout its surface with a water-repellent coating layer, produced by a step coating followed by a step of fixing process, these steps being advantageously in accordance with the corresponding steps of the manufacturing process of which the description was previously made.
- PET poly (ethylene terephthalate)
- the second wire 15A is advantageously the anti-cut wire 1 according to variant F2 described above and illustrated in FIG. 2. It thus comprises, in turn, preferentially a core 2 made up of an assembly of a fiber of continuous monofilament 5 stainless steel and a continuous multi-filament glass fiber 6 coated by "Z" twist assembly of a continuous multi-filament polypropylene fiber 7, this core 2 itself being coated by means of an assembly of a "S" twist yarn 3, said cover yarn 3 being here also preferably a polyester yarn, preferably still poly (ethylene terephthalate) (PET), multi-filament and continuous, and provided on all its surface of a water-repellent coating layer, produced by a coating step followed by a fixing treatment step, these steps being advantageously in accordance with the corresponding steps of the manufacturing process, the description of which was cédemment made.
- a core 2 made up of an assembly of a fiber of continuous monofilament 5 stainless steel and a continuous multi-filament glass fiber 6 coated by "Z" twist
- Said third wire 16A can, for its part, be a polyester thread, preferably still poly (ethylene terephthalate) (PET), multi-filament and continuous, and provided on all its surface with a water-repellent coating layer , carried out by a coating step followed by a fixing treatment step, these steps being advantageously in accordance with the corresponding steps of the manufacturing method, the description of which was previously made.
- This third wire 16A may therefore be substantially identical to the fi! of polyester 10A constituting the cover wire 3 in its preferred embodiment described above.
- said textile piece 13 is made by knitting, preferably in jersey, and even more preferably in triple-pliage jersey, said first, second and third yarn 14A, 15A, 16A.
- the knitting of these first, second and third 16A yarns 14A, 15A, 16A is preferably carried out so that said first knit yarn 14A is found positioned on the face of the knitted textile piece 13 forming the protective garment 11 intended to come into contact with the skin of the user, while said second wire 15A, containing the stainless steel fiber 5 and the fiberglass 6, is found positioned on the outer face of the textile piece 13 knitted, so as to limit the risk of irritation of the skin by possible splinters of the steel fiber or fibrils of the glass fiber 6.
- said textile piece 13 that comprises said garment 11 according to this first version V1 is formed by a knit 17 comprising:
- said textile part 13 which comprises said garment 11 of cut-off protection is made from: - a first wire 14B which comprises a core 2 composed of at least one high polyethylene fiber tenacity 4 connected in parallel with an assembly of a stainless steel fiber 5 and a fiberglass 6 coated with a polypropylene fiber 7 and two covering wires 3, assembled on the core 2 so as to form respectively a first 8 and a second 9 superimposed coatings, and - a second wire 15B which is an elastomer wire 18 at least partially covered with a polyester thread, which polyester thread is provided over its entire surface with a coating layer impermeable to liquids.
- said textile piece 3 is made by knitting, preferably in jersey, and even more preferably in vanised jersey, said first and second yarn 14B, 15B.
- the implementation of an elastomer yarn 18, for example a yarn elastane 19, improves the overall elasticity of the protective garment 11.
- this improvement of the elasticity advantageously results in a better dexterity, that is to say that said glove 12 is more pleasant to wear because closer to the skin and allows a better grip using the gloved hand.
- Such a glove 12 does not henceforth not negatively impact the ability and precision of manual movements.
- elastomer 8 with anti-cut son 1 as described above in a certain mass ratio of elastomer relative to the other materials constituting said anti-cut son 1, has the effect of tightening the size of the mesh knit 17 , which leads to a very significant improvement in the resistance of the garment 11 to cut by sharp objects.
- This beneficial effect is particularly observed, without any negative impact on the dexterity or overall flexibility of the garment 11, for a mass percentage of elastomer of between 1 and 3%, and even more particularly for a percentage close to 1.3%.
- the first wire 14B is advantageously the anti-cut wire 1 according to the preferred embodiment of variant F3, described above and illustrated in FIG. 3, in which the anti-cut wire cut 1 preferably comprises two cover fi bres 3. It thus preferably comprises:
- a core 2 composed of a single high tenacity continuous filament polyethylene fiber 4 mounted in parallel with an assembly of a continuous monofilament stainless steel fiber and a continuous multi-filament glass fiber 6 said stainless steel and fiberglass fibers 6 being coated by "Z" twisted assembly of a multi-filament polypropylene fiber,
- said fi! cover 3 is again preferably a fi! polyester 10A, preferentially still poly (ethylene terephthalate) (PET), multi-filament and continuous,
- first and second cover wires 3 are respectively provided over their entire surface with a water-repellent coating layer, produced by a coating step followed by a fixing treatment step, these stages being advantageously in accordance with the corresponding steps of manufacturing method of which the description was previously made.
- the anti-cut wire 1 has more than two cover wires 3 as described above.
- said cover wire 3 is tinted, for example in the mass, it is possible, depending on the number of cover wires 3 used, to produce a garment 1 1 of anti-cut protection with a colored appearance varying from variegated to the uniform ie the number of cover wires 3 increasing.
- said second wire 15B is a spandex yarn 19 partially covered, by torsion assembly "S", with a thread.
- polyester 10A preferably still poly (ethylene terephthalate) (PET), multi-filament and continuous, and provided over its entire surface with a water-repellent coating layer, produced by a coating step followed by a fixing processing step, these steps being advantageously in accordance with the corresponding steps of the manufacturing method of which the description was previously made.
- PET poly (ethylene terephthalate)
- said second wire 15B is thus indirectly provided on at least a portion of its surface with a water-repellent coating layer.
- polyester is, for its part, advantageously substantially identical to the fi! of polyester 10A already described above.
- the knitting of these yarns 14B, 15B is preferentially performed so that said first yarn 14B, containing in particular said fiber of stainless steel 5 and fiberglass 6, is found positioned on the outer face of the knit 17, while said second wire 15B, containing the elastane thread 19, is found positioned on the face of the knit 17 forming the protective garment 11 intended to come into contact with the skin of the user.
- said textile piece 13 that comprises said garment 11 according to this second version V2 formed by a knit 17 comprising:
- this second version V2 of making a garment 1 1 of protection with anti-cut son 1 is an improvement of the first version V1, both from the point of view of the properties of cut resistance by sharp objects, resistance to wetting and dexterity, that from the point of view of ease of manufacture, this second version V2 implementing the knitting only two son 14B, 15B against three son 14A, 15A, 16A for the first version V1.
- the implementation, as described above, of an elastomer yarn 19 knitted with at least one cut-resistant yarn 1 so as to form a garment 1 1 of protection may also constitute, as such, an invention in its own right.
- said textile part 13 that comprises said garment 1 for protection against cutting is made from a first thread 14C which comprises:
- a core 2 composed of a subassembly of at least two stainless steel fibers 5 and a glass fiber 6 mounted in parallel and coated with a polypropylene fiber 7, preferably such that said fiber polypropylene 7 partially and even more completely covers said stainless steel and fiberglass fibers 6, this subassembly being itself coated with a high tenacity polyethylene fiber 4 to form said core 2 preferably such that said high tenacity polyethylene fiber 4 partially overlaps said subassembly; and a cover thread 3 chosen from the group comprising a polyamide thread 10B (for example a polyamide thread 6, a high tenacity polyamide thread, a polyamide thread 6.6, a high tenacity polyamide thread, a thread of polyamide 11, a high tenacity polyamide yarn, a recycled polyamide yarn, etc.), a polypropylene yarn and a polyvinyl chloride yarn.
- a polyamide thread 10B for example a polyamide thread 6, a high tenacity polyamide thread, a
- a garment 11 made according to such a third version V3 may be particularly sought for applications related, for example, with the cutting of animal carcasses, such as in particular pig carcasses, whose bones are particularly tapered and abrasive.
- the first wire 14C is advantageously the anti-cut wire 1 according to the preferred embodiment of the fourth variant F4 described above, in which the anti-cut wire 1 preferably comprises two wires. 3. It thus preferably comprises:
- a core 2 composed of a subassembly of two continuous monofilament stainless steel fibers and a continuous multi-filament glass fiber 6 connected in parallel and embedded by a "Z" twist assembly of a multi-filament polypropylene fiber 7, so that said polypropylene fiber 7 preferably overlaps, even more preferably completely, said stainless steel fiber 5 and fiberglass 6, this subassembly being itself Z-twist-bonding a high tenacity polyethylene fiber 4 to form said core 2, such that said high tenacity polyethylene fiber 4 partially overlaps said subassembly; and
- first and second cover wire 3 mounted in parallel so as to completely cover said core 2 by torsion assembly "S", these first and second cover wires 3 preferably being high tenacity polyamide 6.6 wires 10B and being respectively provided over their entire surface with a water-repellent coating layer, carried out by a coating step followed by a fixing treatment step, these steps being advantageously in accordance with the corresponding steps of the manufacturing method, the description of which was previously made.
- said textile piece 13 is made by knitting, preferably jersey, said first wire 1 C.
- said anti-cut 1 wire comprises a core 2 composed of at least one stainless steel fiber 5 and a fiber of glass 6 coated with a polypropylene fiber 7
- said step of manufacturing the core 2 preferably comprises a substep of forming a protective sheath of said stainless steel fiber 5 and fiberglass 6.
- said polypropylene fiber 7 which coats and covers said stainless steel fiber 5 and fiberglass 6 to create around these a protective sheath, advantageously uniform and continuous, made of polypropylene.
- this manufacturing method comprises a manufacturing step of a textile part 13 by means of at least one, and preferably several, anti-cut wire 1 according to the invention, and for example, to one or other of the variants F1, F2, F3, F4 described above.
- This textile piece 13 can be presented under the shape of a sheet, that is to say of a textile part extending substantially a plane, or a sleeve, which can subsequently be worked or assembled to form said garment 11 of anti cut, or to present itself directly in the general form of said garment 1.
- Said textile part 13 is advantageously manufactured by knitting or weaving at least one, and preferably several, cut-resistant yarn 1 according to the invention, and for example, to one or the other of the variants F1, F2 , F3, F4 described above.
- the method may preferably be implemented using a knitting machine, as conventionally known, preferably mechanical or electronic, and adapted according to the type of garment 11 to be produced.
- the method can be implemented with a circular knitting machine or with a straight knitting machine, if the garment 11 is a glove 12.
- the straight knitting machine is advantageously a machine capable of knitting a glove 12 in one piece and seamless.
- the implementation of this manufacturing method according to this preferred embodiment advantageously makes it possible to manufacture a garment 1 1 of anti-cut protection, for example a glove 12, as described above.
- said textile part 13 may be manufactured by weaving at least one, and preferably several, anti-cut 1 in accordance with the invention, and for example, to one or other of the variants F1, F2, F3, F4 described above, using a loom, preferably mechanical or electronic, adapted to the type of garment 11 to achieve.
- a weave would in fact have the advantage of giving the textile piece 13 a low elasticity and thus contribute to the manufacture of a garment 11 having not only a property of protection against the risk of cuts but advantageously also of a property of protection against the risks of perforation.
- the invention finds its industrial application in the design, manufacture and use of anti-cut textile yarns, and protective clothing against the risk of cuts by sharp objects.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FR1559609A FR3042204B1 (fr) | 2015-10-09 | 2015-10-09 | Fil anti-coupure, vetement de protection fabrique a l'aide d'un tel fil et procedes de fabrication afferents |
FR1655370A FR3042205B1 (fr) | 2015-10-09 | 2016-06-10 | Fil anti-coupure, vetement de protection fabrique a l'aide d'un tel fil et procedes de fabrication afferents |
PCT/FR2016/052597 WO2017060649A1 (fr) | 2015-10-09 | 2016-10-07 | Fil anti-coupure, vêtement de protection fabriqué a l'aide d'un tel fil et procédés de fabrication afférents |
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EP3359717A1 true EP3359717A1 (fr) | 2018-08-15 |
EP3359717B1 EP3359717B1 (fr) | 2023-04-12 |
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EP16791655.0A Active EP3359717B1 (fr) | 2015-10-09 | 2016-10-07 | Fil anti-coupure, vêtement de protection fabriqué a l'aide d'un tel fil et procédés de fabrication afférents |
Country Status (4)
Country | Link |
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EP (1) | EP3359717B1 (fr) |
ES (1) | ES2949542T3 (fr) |
FR (2) | FR3042204B1 (fr) |
WO (1) | WO2017060649A1 (fr) |
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CN107938066A (zh) * | 2017-11-30 | 2018-04-20 | 紫罗兰家纺科技股份有限公司 | 一种智能家纺纤维的制备方法 |
CN110079910B (zh) * | 2019-05-27 | 2021-11-09 | 安徽正美线业科技有限责任公司 | 一种耐磨防断纱线及其生产工艺 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US4777789A (en) * | 1986-10-03 | 1988-10-18 | Kolmes Nathaniel H | Wire wrapped yarn for protective garments |
GB2416781A (en) * | 2004-08-04 | 2006-02-08 | Lightex Ltd | Breathable fabric |
JP4897684B2 (ja) * | 2005-08-01 | 2012-03-14 | ショーワグローブ株式会社 | 複合繊維を用いた耐切創性手袋 |
DE102006027503A1 (de) * | 2006-06-14 | 2007-12-20 | Polymade Gesellschaft für innovative technische Textilien mbH | Verfahren zur Herstellung von Textilien mit permanenten, hydrophoben Eigenschaften, die dennoch bedruckbar und beschichtungsfähig sind und mit weiteren Maßnahmen quervernetzt werden können |
US8846161B2 (en) * | 2006-10-03 | 2014-09-30 | Brigham Young University | Hydrophobic coating and method |
DE202011108595U1 (de) * | 2011-12-02 | 2013-03-04 | Rökona-Textilwerk Gesellschaft mit beschränkter Haftung, Wirkerei - Ausrüstung | Schnittschutzlage für eine Schnittschutztextilie, Schnittschutztextilie und diese aufweisende Arbeitsschutzbekleidung |
-
2015
- 2015-10-09 FR FR1559609A patent/FR3042204B1/fr active Active
-
2016
- 2016-06-10 FR FR1655370A patent/FR3042205B1/fr active Active
- 2016-10-07 WO PCT/FR2016/052597 patent/WO2017060649A1/fr active Application Filing
- 2016-10-07 EP EP16791655.0A patent/EP3359717B1/fr active Active
- 2016-10-07 ES ES16791655T patent/ES2949542T3/es active Active
Also Published As
Publication number | Publication date |
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FR3042204A1 (fr) | 2017-04-14 |
FR3042205B1 (fr) | 2019-10-18 |
FR3042205A1 (fr) | 2017-04-14 |
EP3359717B1 (fr) | 2023-04-12 |
WO2017060649A1 (fr) | 2017-04-13 |
ES2949542T3 (es) | 2023-09-29 |
FR3042204B1 (fr) | 2018-10-12 |
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