EP1859088A1 - Fire protection fabric - Google Patents

Fire protection fabric

Info

Publication number
EP1859088A1
EP1859088A1 EP06726086A EP06726086A EP1859088A1 EP 1859088 A1 EP1859088 A1 EP 1859088A1 EP 06726086 A EP06726086 A EP 06726086A EP 06726086 A EP06726086 A EP 06726086A EP 1859088 A1 EP1859088 A1 EP 1859088A1
Authority
EP
European Patent Office
Prior art keywords
type
son
aramid
para
fabric
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
Application number
EP06726086A
Other languages
German (de)
French (fr)
Other versions
EP1859088B1 (en
Inventor
Laurent Thiriot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kermel SNC
Original Assignee
Kermel SNC
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Filing date
Publication date
Application filed by Kermel SNC filed Critical Kermel SNC
Publication of EP1859088A1 publication Critical patent/EP1859088A1/en
Application granted granted Critical
Publication of EP1859088B1 publication Critical patent/EP1859088B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/08—Heat resistant; Fire retardant
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3976—Including strand which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous composition, water solubility, heat shrinkability, etc.]
    • Y10T442/3984—Strand is other than glass and is heat or fire resistant

Definitions

  • the present invention relates to the field of fire protection. It relates more particularly to a protective fabric for forming the outer layer of a fire protection garment, for example a firefighter's clothing.
  • thermostable or thermoreactive fibers fabrics made from said fibers and clothing made from these fabrics.
  • fibers commonly used in the manufacture of protective clothing against fire known fibers known aramids, whether para-aramids or meta-aramids, for example, the Kermel fiber which belongs to the chemical family of imide polyamides, for example Nomex® fiber which is a polymetaphenilene isophthalamide.
  • the fibers sold under the names Kevlar®, Twaron® and Technora® are also known.
  • a firefighter's clothing must, in addition to its fire properties, meet the same aesthetic requirements as any other garment, in particular having an acceptable or at least reproducible external visual appearance of a garment. to the other.
  • these wires have another disadvantage which lies in the fact that they are sensitive to ultraviolet, and that, when dyed, they have poor color fastness to light. This is why these para-aramid yarns are more and more often used in fabrics of the double fabric type, so that said yarns are arranged on the inner face of the outer layer of the garment. that is, the face that is not directly exposed to light and ultraviolet light.
  • This implementation has a major drawback which consists in having to increase the surface density of the fabric if a relatively high proportion of para-aramid-type yarns is chosen, for example fabrics making at least 300 g / m 2 if the we want on the order of 50% of son of para-aramid type.
  • the proportion of para-aramid-type yarns for example 10% of para-aramid yarns, must be significantly reduced.
  • the object of the present invention is to provide a protective fabric capable of forming the outer layer of a protective clothing against fire, which overcomes the disadvantages mentioned above.
  • the same garment may have variations in appearance if the cut panels for the confection are taken in remote areas of the same room or two clothes will have different visual aspects depending on whether the panels used for their manufacture come from the beginning or from the end of the room.
  • the contrast of colors concerns only the width of the fabric, generally between 1.50 m and 1.60 m since it is the same weft thread that crosses the warp threads all the way across.
  • a weft mixer it is also possible, with a weft mixer, to use several coils in turn to form the picks and thus reduce the effect of the color variation of the weft son by a statistical mixture.
  • para-aramid yarns which do not exhibit hue variations but are more sensitive to ultraviolet, they are only used in a chain and the fact that they are almost completely masked avoids the problem of degradation due to the action of light and ultraviolet light.
  • the son of the second and possibly the third type represent from 30 to 50% of the warp son and the son of the second type from 30 to 50% of the weft son.
  • the son of the first and second type are of the order of 12 to 16 tex X 2.
  • the subject fabric has a basic armor having in chain the following arrangement: a wire of the first type, a wire of the second type and two son of the first type and in weft an alternation of son of the first and of the second type.
  • a protective fabric having a basis weight of the order of 220 gr / m 2 and having a final proportion of 66.3% of meta-aramid fibers, of 33% of para-aramid fibers, high color variation module along its length and 0.7% of anti-static fibers.
  • the meta-aramid fibers are generally mixed with a small percentage of antistatic fibers, in particular Belltron® type fibers or other fibers, load-dissipating or conductive fibers.
  • the yarns of the first type are 14.3 tex X 2 meta-aramid meta-aramid threads (more commonly called Nm 70/2) composed of 99% meta-aramid fibers known under the name Kermel®. and 1% of anti-static fibers.
  • the yarns of the second type are para-aramid type titration yarns
  • SVM® or AuTx-HT ® are continuous filament yarns.
  • the warping pattern is 3 son of meta-aramid type (K for KERMEL ®) for a para-aramid type wire (P for para-aramid).
  • the screening pattern it is of a meta-aramid yarn (K) for a para-aramid yarn (P).
  • the texture of the fabric is 52 X 22 threads / cm. Its weight per unit area is of the order of 220 gr / m 2 , with a final proportion of 66.3% of meta-aramid fibers, 33% of para-aramid fibers and 0.7% of anti-static fibers.
  • the high modulus para-aramid type warp yarns are alternately visible in front and back in a ratio of 1 to 3.
  • the meta-aramid (K) warp yarn that is the furthest left of the weave pattern will tend to go over the para-aramid chain (P) so that said warp is actually almost completely masked on the face of the fabric.
  • the frame it is possible for the frame to use single wires. For example, for 14.3 tex x 2 titration yarns in the warp, single yarns of 29.4 tex are used as weft.
  • the second example differs from the first by the basic armor, of the double-sided warp armor type, which is illustrated in FIG. 2, in which the warping pattern is also of three meta-aramid type yarns for a warp yarn. para-aramid type and the screening pattern is also of a meta-aramid type wire for a para-aramid type wire.
  • all the para-aramid warp and weft threads can be of the second type, but all the para-aramid warp threads of the third type can also be used.
  • Technora ® since they are almost completely masked, they should not be directly under the effect of ultraviolet and light.
  • This variant has a financial advantage since these more conventional son are less expensive than the aforementioned para-aramid type son having color variations along their length.
  • it may have a disadvantage in terms of the mechanical strength of the fabric because of a lower strength of the more conventional yarns which, for the finer yarns desirable, are on the market, yarns of fibers while the aforementioned son Lengthwise variations in hue are multi-filament yarns (continuous filaments) of greater strength.
  • the present invention is not limited to the embodiments described and illustrated as non-exhaustive examples.
  • other armor for example an armor in which the warping pattern is four son of the first type for a wire of the second type and the dithering pattern of a wire of the first type for a wire of the second type, for better density and better masking son of the second type chain, while remaining in the desired surface masses and with a proportion of the order of 30% of the son of the second type.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Fireproofing Substances (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Laminated Bodies (AREA)

Abstract

A protective fabric with a weight/area ratio of less than 300 g/m2 that is intended to form the outer layer of a garment for protection from fire, such as a garment for firefighters for example. It is composed of warp and weft threads that come from at least two types of thread that are resistant to fire, namely a first thread type of the meta-aramide type, a second high-modulus para-aramide type thread with colour variations over its length, and if necessary, in the warp, a third para-aramide type thread that does not display colour variations but is sensitive to ultraviolet light. It includes 15 to 50% of threads of the second type, and if necessary of the third type. Its weave, preferably of the warp double-sided type, is determined so that, on the outer face of the fabric, the warp threads of the second type, and if necessary of the third type, are almost totally masked.

Description

TISSU DE PROTECTION CONTRE LE FEU FABRIC FOR PROTECTION AGAINST FIRE
La présente invention concerne le domaine de la protection contre le feu. Elle concerne plus particulièrement un tissu de protection destiné à former la couche extérieure d'un vêtement de protection contre le feu par exemple d'un vêtement de pompier.The present invention relates to the field of fire protection. It relates more particularly to a protective fabric for forming the outer layer of a fire protection garment, for example a firefighter's clothing.
La sécurité des hommes est un critère primordial dans l'évolution technique de notre société. Dans le domaine du feu, on cherche en particulier à ce que les personnes qui interviennent dans la lutte contre les incendies soient le plus possible protégées pour éviter ou tout au moins limiter les accidents graves. C'est ainsi que les producteurs textile ont développé des matériaux spécifiques de protection contre le feu, à savoir des fibres thermostables ou thermoréactives, des étoffes réalisées à partir des dites fibres et des vêtements confectionnés à partir de ces étoffes.The safety of men is a paramount criterion in the technical evolution of our society. In the field of fire, it is particularly sought that those who intervene in the fight against fires are protected as much as possible to avoid or at least limit serious accidents. Thus textile producers have developed specific fire protection materials, namely thermostable or thermoreactive fibers, fabrics made from said fibers and clothing made from these fabrics.
S'agissant des fibres couramment utilisées dans la confection de vêtements de protection contre le feu, on connaît notamment des fibres nommées aramides, que ce soit para-aramides ou méta-aramides, par exemple, la fibre Kermel qui appartient à la famille chimique des polyamides imides, par exemple la fibre Nomex® qui est un polymétaphénilèneisophtalamide. On connaît également les fibres commercialisées sous les appellations Kevlar®, Twaron® et Technora ®.With regard to the fibers commonly used in the manufacture of protective clothing against fire, known fibers known aramids, whether para-aramids or meta-aramids, for example, the Kermel fiber which belongs to the chemical family of imide polyamides, for example Nomex® fiber which is a polymetaphenilene isophthalamide. The fibers sold under the names Kevlar®, Twaron® and Technora® are also known.
Il convient de souligner qu'un vêtement pour sapeur pompier doit, en plus de ses propriétés au feu, répondre aux mêmes exigences esthétiques que tout autre vêtement, en particulier avoir un aspect visuel extérieur qui soit acceptable ou tout au moins reproductible d'un vêtement à l'autre.It should be emphasized that a firefighter's clothing must, in addition to its fire properties, meet the same aesthetic requirements as any other garment, in particular having an acceptable or at least reproducible external visual appearance of a garment. to the other.
Or il existe sur le marché des matériaux qui seraient particulièrement intéressants pour la réalisation de tissus extérieurs pour vêtements de protection au feu, s'agissant de leur résistance mécanique et de leur résistance thermique, mais qui présentent un risque majeur de défaut d'un point de vue esthétique. Par exemple, il s'agit de fils de type para-aramide haut module qui présentent une variation de teinte sur leur longueur. Sans vouloir apporter d'explication scientifique à ce phénomène, il est possible de penser que ces variations sont dues aux traitements qui interviennent lors de la fabrication de tels fils. De ce fait, pour la réalisation d'un tissu de protection destiné à former la couche extérieure d'un vêtement de protection contre le feu, on met en œuvre des fils de type para-aramide qui ne présentent pas un tel défaut, par exemple les fils commercialisés sous les appellations Kevlar®, Twaron® et Technora ®. Cependant, ces fils présentent un autre inconvénient qui réside dans le fait qu'ils sont sensibles aux ultraviolets, et que, lorsqu'ils sont teints, ils présentent des coloris de mauvaise solidité à la lumière. C'est pourquoi, ces fils de para-aramide sont de plus en plus souvent mis en œuvre dans des tissus de type double étoffe, en faisant en sorte que lesdits fils soient disposés sur la face interne de la couche extérieure du vêtement, c'est-à-dire la face qui n'est pas directement exposée à la lumière et aux ultraviolets. Cette mise en œuvre présente un inconvénient majeur qui consiste à devoir augmenter la masse surfacique du tissu si l'on choisit une proportion relativement élevée de fils de type para-aramide, par exemple des tissus faisant au moins 300 g/m2 si l'on veut de l'ordre de 50% de fils de type para-aramide. Par contre si l'on veut maintenir une masse surfacique plus conventionnelle, par exemple de 220 g/m2, il faut baisser de manière importante la proportion de fils de type para-aramide, par exemple 10 % de fils para-aramide.However, there are on the market materials that would be particularly interesting for the production of outer fabrics for fire protection garments, with regard to their mechanical strength and their thermal resistance, but which present a major risk of defect of a point aesthetic view. For example, these are type wires para-aramid high modulus that exhibit a variation of hue on their length. Without wishing to provide a scientific explanation for this phenomenon, it is possible to think that these variations are due to the treatments that occur during the manufacture of such threads. Therefore, for the production of a protective fabric intended to form the outer layer of a fire protection garment, use is made of para-aramid type yarns that do not have such a defect, for example the yarns marketed under the names Kevlar®, Twaron® and Technora®. However, these wires have another disadvantage which lies in the fact that they are sensitive to ultraviolet, and that, when dyed, they have poor color fastness to light. This is why these para-aramid yarns are more and more often used in fabrics of the double fabric type, so that said yarns are arranged on the inner face of the outer layer of the garment. that is, the face that is not directly exposed to light and ultraviolet light. This implementation has a major drawback which consists in having to increase the surface density of the fabric if a relatively high proportion of para-aramid-type yarns is chosen, for example fabrics making at least 300 g / m 2 if the we want on the order of 50% of son of para-aramid type. On the other hand, if it is desired to maintain a more conventional mass per unit area, for example 220 g / m 2 , the proportion of para-aramid-type yarns, for example 10% of para-aramid yarns, must be significantly reduced.
Le but de la présente invention est de proposer un tissu de protection apte à former la couche extérieure d'un vêtement de protection contre le feu, qui pallie les inconvénients cités ci-dessus.The object of the present invention is to provide a protective fabric capable of forming the outer layer of a protective clothing against fire, which overcomes the disadvantages mentioned above.
Il s'agit d'un tissu de protection, ayant une masse surfacique inférieure à 300 g/m2, de préférence comprise entre 180 et 260 gr/m2 qui est constitué d'au moins deux types de fils résistants au feu, à savoir un premier type de fils de type méta-aramide, un second type de fils de type para-aramide haut module présentant sur leur longueur des variations de teinte et éventuellement, en chaîne, un troisième type de fils de type para- aramide ne présentant pas ces variations de teinte, mais sensibles aux ultra-violets ; ce tissu comporte de 15 à 50 % de fils du second type et éventuellement du troisième type et son armure est déterminée en sorte que, sur la face extérieure du tissu, les fils de chaîne du second et éventuellement du troisième type sont presque totalement masqués.It is a protective fabric, having a basis weight of less than 300 g / m 2 , preferably between 180 and 260 g / m 2 which consists of at least two types of fire-resistant yarns, namely a first type of meta-aramid type yarns, a second type of high modulus para-aramid type yarn having variations in their hue and possibly, in chain, a third type of para- aramid type son not having these variations of hue, but sensitive to ultraviolet; this fabric comprises from 15 to 50% of son of the second type and possibly the third type and its armor is determined so that, on the outer face of the fabric, the warp son of the second and possibly the third type are almost completely masked.
Ainsi, selon la disposition particulière de la présente invention, il est possible d'obtenir un tissu de protection de masse surfacique classique et qui comporte une grande proportion de fils de para-aramide, notamment de fils haut module non sensible aux ultra violets qui, malgré la variation de teinte inhérent à ce type de fil, présente un aspect esthétique acceptable.Thus, according to the particular arrangement of the present invention, it is possible to obtain a conventional mass-protection fabric which has a large proportion of para-aramid yarns, in particular high-modulus yarns that are not sensitive to ultraviolet rays. despite the variation of color inherent in this type of wire, has an acceptable aesthetic appearance.
En effet, le demandeur a pu constater que la variation de teinte sur la longueur n'est pas rédhibitoire quand la trame est apparente sur la couche extérieure, contrairement à ce qui a été observé s'agissant de la chaîne.Indeed, the applicant has found that the variation of color along the length is not unacceptable when the frame is apparent on the outer layer, contrary to what has been observed with respect to the chain.
Ceci peut s'expliquer quant on considère que les fils de chaîne sont prélevés, lors l'ourdissage, sur des bobines de lots de fabrication différents, de sorte que la juxtaposition des fils de chaîne prélevés de ces bobines et comportant des coloris différents peut générer une rayure sur toute la longueur de la pièce, ce qui constitue un défaut rédhibitoire.This can be explained when it is considered that the warp yarns are taken, during warping, on bobbins of different batches of manufacture, so that the juxtaposition of the warp threads taken from these reels and having different colors can generate a scratch along the entire length of the room, which is a crippling defect.
De plus, même si toutes les bobines du cantre d'ourdissage sont du même lot, la variation de teinte va se traduire par un aspect visuel différent entre le début et la fin de la pièce, ce qui se répercutera sur les vêtements confectionnés avec ladite pièce : un même vêtement pourra présenter des variations d'aspect si les panneaux découpés pour la confection sont prélevés dans des zones éloignées de la même pièce ou encore deux vêtements auront des aspects visuels différents selon que les panneaux utilisés pour leur confection proviennent du début ou de la fin de la pièce. Par contre, dans le cadre de la trame, le contraste de coloris ne concerne que la largeur du tissu, généralement entre 1,50 m et 1 ,60 m puisque c'est le même fil de trame qui croise les fils de chaîne sur toute cette largeur. Eventuellement il est d'ailleurs possible, avec un mélangeur de trame, d'utiliser plusieurs bobines à tour de rôle pour constituer les duites et réduire ainsi l'effet de la variation de coloris des fils de trame par un mélange statistique.Moreover, even if all the coiling creel coils are from the same batch, the variation in hue will result in a different visual appearance between the beginning and the end of the piece, which will have repercussions on the garments made with the said yarn. piece: the same garment may have variations in appearance if the cut panels for the confection are taken in remote areas of the same room or two clothes will have different visual aspects depending on whether the panels used for their manufacture come from the beginning or from the end of the room. On the other hand, in the context of the weft, the contrast of colors concerns only the width of the fabric, generally between 1.50 m and 1.60 m since it is the same weft thread that crosses the warp threads all the way across. Optionally it is also possible, with a weft mixer, to use several coils in turn to form the picks and thus reduce the effect of the color variation of the weft son by a statistical mixture.
Par ailleurs, s'agissant des fils de para-aramide, ne présentant pas de variations de teinte mais plus sensibles aux ultraviolets, ils ne sont mis en oeuvre qu'en chaîne et le fait qu'il soient presque totalement masqués évite le problème de dégradation due à l'action de la lumière et des ultraviolets.Moreover, with regard to the para-aramid yarns, which do not exhibit hue variations but are more sensitive to ultraviolet, they are only used in a chain and the fact that they are almost completely masked avoids the problem of degradation due to the action of light and ultraviolet light.
Dans une variante de réalisation, les fils du second et éventuellement du troisième type représentent de 30 à 50 % des fils de chaîne et les fils du second type de 30 à 50 % des fils de trame.In an alternative embodiment, the son of the second and possibly the third type represent from 30 to 50% of the warp son and the son of the second type from 30 to 50% of the weft son.
Dans une variante de réalisation, les fils du premier et du second type font de l'ordre de 12 à 16 tex X 2.In an alternative embodiment, the son of the first and second type are of the order of 12 to 16 tex X 2.
Dans une variante de réalisation, le tissu en question présente une armure de base ayant en chaîne l'agencement suivant : un fil du premier type, un fil du second type et deux fils du premier type et en trame une alternance de fils du premier et du second type. Dans ce mode de réalisation, il a été possible de réaliser un tissu de protection ayant une masse surfacique de l'ordre de 220 gr/m2 et ayant une proportion finale de 66,3 % de fibres de méta-aramide, de 33 % de fibres de para-aramides, haut module à variation de coloris sur sa longueur et de 0,7 % de fibres anti-statiques. Il est à souligner que s'agissant des fils du premier type, les fibres de méta-aramide sont généralement mélangées avec un faible pourcentage de fibres antistatiques, notamment des fibres de type Belltron® ou autres fibres, dissipatrices de charge ou conductrices.In an alternative embodiment, the subject fabric has a basic armor having in chain the following arrangement: a wire of the first type, a wire of the second type and two son of the first type and in weft an alternation of son of the first and of the second type. In this embodiment, it has been possible to produce a protective fabric having a basis weight of the order of 220 gr / m 2 and having a final proportion of 66.3% of meta-aramid fibers, of 33% of para-aramid fibers, high color variation module along its length and 0.7% of anti-static fibers. It should be noted that in the case of yarns of the first type, the meta-aramid fibers are generally mixed with a small percentage of antistatic fibers, in particular Belltron® type fibers or other fibers, load-dissipating or conductive fibers.
La présente invention sera mieux comprise à la lecture de la description d'exemples de réalisation d'un tissu de protection ayant une masse surfacique inférieur à 300 g/m2, destiné à former la couche extérieure d'un vêtement pour sapeur pompier, illustré par les figures 1 et 2 représentant deux armures de base pour ledit tissu de type armure double face chaîne.The present invention will be better understood on reading the description of exemplary embodiments of a protective fabric having a basis weight of less than 300 g / m 2 intended to form the layer outer of a firefighter's clothing, illustrated by Figures 1 and 2 showing two basic armor for said double-sided warp armor type fabric.
Dans le premier exemple, les fils du premier type sont des fils du type méta-aramide de titrage 14,3 tex X 2 (plus couramment dénommés Nm 70/2) composés de 99 % de fibres méta-aramides connues sous la dénomination Kermel ® et 1 % de fibres anti-statiques.In the first example, the yarns of the first type are 14.3 tex X 2 meta-aramid meta-aramid threads (more commonly called Nm 70/2) composed of 99% meta-aramid fibers known under the name Kermel®. and 1% of anti-static fibers.
Les fils du second type sont des fils de type para-aramide de titrageThe yarns of the second type are para-aramid type titration yarns
14,3 tex X 2, haut module, présentant des variations de coloris sur leur longueur. Il s'agit par exemple de fils connus sous la dénomination Rusar14.3 tex X 2, high modulus, showing color variations along their length. This is for example son known as Rusar
®. Il peut également s'agir de fils connus sous la dénomination Armos ®,®. It may also be son known under the name Armos ®,
SVM® ou AuTx-HT ®. Il s'agit de fils de filaments continus.SVM® or AuTx-HT ®. These are continuous filament yarns.
Comme indiqué sur la figurel dans ce premier exemple, le motif d'ourdissage est de 3 fils de type méta-aramide (K pour KERMEL ®) pour un fil de type para-aramide (P pour para-aramide).As indicated on the figurel in this first example, the warping pattern is 3 son of meta-aramid type (K for KERMEL ®) for a para-aramid type wire (P for para-aramid).
Quant au motif de tramage, il est d'un fil de méta-aramide (K) pour un fil de para-aramide (P).As for the screening pattern, it is of a meta-aramid yarn (K) for a para-aramid yarn (P).
La contexture du tissu est de 52 X 22 fils /cm. Sa masse surfacique est de l'ordre de 220 gr/m2, avec une proportion finale de 66,3 % de fibres méta-aramides, 33 % de fibres para- aramides et 0,7 % de fibres anti-statiques.The texture of the fabric is 52 X 22 threads / cm. Its weight per unit area is of the order of 220 gr / m 2 , with a final proportion of 66.3% of meta-aramid fibers, 33% of para-aramid fibers and 0.7% of anti-static fibers.
Dans cet exemple de réalisation, dans chaque motif unitaire (4 x 4) ayant l'armure illustré, les fils de chaîne de type para-aramide haut module se trouvent alternativement visibles en face endroit et en face envers selon un rapport de 1 pour 3. En pratique, avec ce genre d'armure, il s'avère que le fil de chaîne en méta-aramide(K) qui se trouve le plus à gauche du motif d'armure va avoir tendance à passer par-dessus le fil de chaîne en para-aramide (P) ce qui fait que le dit fil de chaîne est en réalité quasiment totalement masqué sur la face endroit du tissu. II est à noter que si, pour la chaîne, il est préférable d'utiliser des fils retors à deux bouts du fait d'une meilleure tissabilité, il est possible pour la trame d'utiliser des fils simples. Par exemple pour des fils de titrage de 14,3 tex x 2 en chaîne, on utilise en trame des fils simples de 29,4 tex.In this exemplary embodiment, in each unitary pattern (4 × 4) having the armor illustrated, the high modulus para-aramid type warp yarns are alternately visible in front and back in a ratio of 1 to 3. In practice, with this kind of weave, it turns out that the meta-aramid (K) warp yarn that is the furthest left of the weave pattern will tend to go over the para-aramid chain (P) so that said warp is actually almost completely masked on the face of the fabric. It should be noted that if, for the warp, it is preferable to use twisted yarns at two ends because of better wearability, it is possible for the frame to use single wires. For example, for 14.3 tex x 2 titration yarns in the warp, single yarns of 29.4 tex are used as weft.
Le second exemple diffère du premier par l'armure de base, du type armure double-face chaîne, qui est illustrée à la figure 2, dans lequel le motif d'ourdissage est aussi de trois fils de type méta-aramide pour un fil de type para-aramide et le motif de tramage est aussi d'un fil de type méta-aramide pour un fil de type para-aramide.The second example differs from the first by the basic armor, of the double-sided warp armor type, which is illustrated in FIG. 2, in which the warping pattern is also of three meta-aramid type yarns for a warp yarn. para-aramid type and the screening pattern is also of a meta-aramid type wire for a para-aramid type wire.
Dans ce second exemple, dans chaque motif unitaire (4 x 6 ) les fils de chaîne de type para-aramide se trouvent alternativement visibles en face endroit et en face envers selon un rapport de 1 pour 2, mais comme dans le premier exemple le fil de chaîne en méta-aramide (K) qui se trouve le plus à gauche du motif d'armure à tendance à passer par-dessus le fil de chaîne en para-aramide (P) qui lui est immédiatement adjacent, ce qui fait que, sur la face endroit du tissu, le fil de chaîne en para-aramide est quasiment totalement masqué.In this second example, in each unitary pattern (4 × 6) the para-aramid type warp yarns are alternately visible in the face-up and in the reverse side in a ratio of 1 to 2, but as in the first example the thread the leftmost meta-aramid chain (K) of the weave pattern tends to pass over the immediately adjacent para-aramid warp (P), so that on the face of the fabric, the para-aramid warp yarn is almost completely hidden.
Dans ces deux exemples, tous les fils de chaîne et de trame en para-aramide peuvent être du second type mais on peut aussi avoir tous les fils de chaîne en para-aramide du troisième type.In these two examples, all the para-aramid warp and weft threads can be of the second type, but all the para-aramid warp threads of the third type can also be used.
Ainsi, pour le fil de chaîne en para-aramide (P) il devrait être possible d'utiliser des fils plus classiques de type Kevlar® Twaron ® ouThus, for the para-aramid (P) warp yarn it should be possible to use more conventional Kevlar® Twaron ® yarns or
Technora ® puisqu'étant quasiment totalement masqués, il ne devraient pas être directement sous l'effet des ultraviolets et de la lumière. Cette variante présente un avantage financier puisque ces fils plus classiques sont moins coûteux que les fils de type para-aramide précités présentant des variations de teinte sur leur longueur. Cependant elle peut présenter un inconvénient sur le plan de la résistance mécanique du tissu du fait d'une moindre résistance des fils plus classiques qui, pour les finesses de fils souhaitables, sont, sur le marché, des filés de fibres alors que les fils précités à variation de teinte sur la longueur sont des fils multi filamentaires (à filaments continus) de plus grande résistance.Technora ® since they are almost completely masked, they should not be directly under the effect of ultraviolet and light. This variant has a financial advantage since these more conventional son are less expensive than the aforementioned para-aramid type son having color variations along their length. However, it may have a disadvantage in terms of the mechanical strength of the fabric because of a lower strength of the more conventional yarns which, for the finer yarns desirable, are on the market, yarns of fibers while the aforementioned son Lengthwise variations in hue are multi-filament yarns (continuous filaments) of greater strength.
La présente invention n'est pas limitée aux modes de réalisation décrits et illustrés à titre d'exemples non exhaustifs. En particulier, il est possible d'envisager d'autres armures, par exemple une armure dans laquelle le motif d'ourdissage est de quatre fils du premier type pour un fil du second type et le motif de tramage d'un fil du premier type pour un fil du second type, pour une meilleure densité et un meilleur masquage des fils du second type en chaîne, tout en restant dans les masses surfaciques souhaitées et avec une proportion de l'ordre de 30 % des fils du second type. The present invention is not limited to the embodiments described and illustrated as non-exhaustive examples. In particular, it is possible to envisage other armor, for example an armor in which the warping pattern is four son of the first type for a wire of the second type and the dithering pattern of a wire of the first type for a wire of the second type, for better density and better masking son of the second type chain, while remaining in the desired surface masses and with a proportion of the order of 30% of the son of the second type.

Claims

REVENDICATIONS
1. Tissu de protection ayant une masse surfacique inférieure à 300 g/m2 destiné à former la couche extérieure d'un vêtement de protection contre le feu, par exemple un vêtement pour sapeur pompier, caractérisé en ce qu'il est constitué de fils de chaîne et de fils de trame appartenant à au moins deux types de fils résistant au feu, à savoir un premier type de fils de type méta-aramide, un second type de fils de type para-aramide haut module présentant sur leur longueur des variations de teinte, et éventuellement, en chaîne, un troisième type de fils de type para-aramide ne présentant pas de variations de teinte mais sensibles aux ultraviolets, en ce qu'il comporte de 15 à 50% de fils du second et éventuellement du troisième type et en ce que l'armure dudit tissu est du type double face chaîne et est déterminée en sorte que, sur la face extérieure du tissu, les fils de chaîne du second et éventuellement du troisième type sont presque totalement masqués.Protective fabric having a basis weight of less than 300 g / m 2 intended to form the outer layer of a fire protection garment, for example a firefighter's clothing, characterized in that it consists of threads warp and weft yarns belonging to at least two types of fire-resistant yarns, namely a first type of meta-aramid yarn, a second type of high-modulus para-aramid yarn having variations along their length dyeing, and optionally, chain, a third type of son para-aramid type having no color variations but sensitive to ultraviolet, in that it comprises from 15 to 50% son of the second and possibly third type and in that the armor of said fabric is of the double-chain type and is determined so that, on the outer face of the fabric, the warp son of the second and possibly the third type are almost completely masked.
2. Tissu selon la revendication 1 caractérisé en ce que tous les fils de chaîne et de trame en para-aramide sont du second type. 2. The fabric of claim 1 characterized in that all warp and weft son para-aramid are of the second type.
3. Tissu selon la revendication 1 caractérisé en ce que tous les fils de chaîne en para-aramide sont du troisième type.3. Fabric according to claim 1 characterized in that all para-aramid warp son are of the third type.
4. Tissu selon l'une des revendications 1 à 3 caractérisé en ce que les fils du second type et éventuellement du troisième type représentent de 30 à 50 % des fils de chaîne et les fils du second type de 30 à 50 % des fils de trame.4. Fabric according to one of claims 1 to 3 characterized in that the son of the second type and possibly the third type represent from 30 to 50% of the warp son and son of the second type from 30 to 50% of the son of frame.
5. Tissu selon l'une des revendications 1 à 4 caractérisé en ce que les fils du premier et du second type font de l'ordre de 24 à 32 tex en un ou deux bouts.5. Fabric according to one of claims 1 to 4 characterized in that the son of the first and second type are of the order of 24 to 32 tex in one or two ends.
6. Tissu selon l'une des revendications 1 à 5 caractérisé par une armure de base, présentant un motif d'ourdissage de trois fils du premier type pour un fil du second type, et un motif de tramage d'un fil du premier type pour un fil du second type.6. Fabric according to one of claims 1 to 5 characterized by a base armor, having a three-thread warping pattern of the first type for a thread of the second type, and a screening pattern of a wire of the first type for a wire of the second type.
7. Tissu selon la revendication 6 faisant de l'ordre de 220 g/m2 et ayant une proportion finale de 66,3 % de méta-aramide, de 33 % de para-aramide et de 0,7 % de fibres anti-statiques.The fabric of claim 6 of the order of 220 g / m 2 and having a final proportion of 66.3% meta-aramid, 33% para-aramid and 0.7% anti-cellulite fibers. static.
8. Tissu selon l'une des revendications 1 à 5, caractérisé par une armure de base, présentant un motif d'ourdissage de quatre fils du premier type pour un fil du second type et un motif de tramage d'un fil du premier type pour un fil de second type. 8. Fabric according to one of claims 1 to 5, characterized by a base armor, having a four-wire warping pattern of the first type for a wire of the second type and a screening pattern of a wire of the first type for a second type wire.
EP20060726086 2005-03-16 2006-03-14 Fire protection fabric Not-in-force EP1859088B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0502600A FR2883134B1 (en) 2005-03-16 2005-03-16 FABRIC FOR PROTECTION AGAINST FIRE
PCT/FR2006/000559 WO2006097620A1 (en) 2005-03-16 2006-03-14 Fire protection fabric

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EP1859088A1 true EP1859088A1 (en) 2007-11-28
EP1859088B1 EP1859088B1 (en) 2010-06-02

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JP (1) JP4885941B2 (en)
AT (1) ATE469999T1 (en)
AU (1) AU2006224461B2 (en)
CA (1) CA2600255C (en)
DE (1) DE602006014662D1 (en)
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FR (1) FR2883134B1 (en)
NZ (1) NZ560449A (en)
WO (1) WO2006097620A1 (en)

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DE602006014662D1 (en) 2010-07-15
ES2346688T3 (en) 2010-10-19
US20080153374A1 (en) 2008-06-26
FR2883134B1 (en) 2007-06-22
AU2006224461B2 (en) 2011-12-22
ATE469999T1 (en) 2010-06-15
CA2600255A1 (en) 2006-09-21
WO2006097620A1 (en) 2006-09-21
JP2008533321A (en) 2008-08-21
NZ560449A (en) 2011-03-31
FR2883134A1 (en) 2006-09-22
EP1859088B1 (en) 2010-06-02
AU2006224461A1 (en) 2006-09-21
CA2600255C (en) 2012-04-03
JP4885941B2 (en) 2012-02-29

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