FR2568275A1 - Glass-fibre-based textile reinforcement for use in making layered complexes - Google Patents

Glass-fibre-based textile reinforcement for use in making layered complexes Download PDF

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Publication number
FR2568275A1
FR2568275A1 FR8412169A FR8412169A FR2568275A1 FR 2568275 A1 FR2568275 A1 FR 2568275A1 FR 8412169 A FR8412169 A FR 8412169A FR 8412169 A FR8412169 A FR 8412169A FR 2568275 A1 FR2568275 A1 FR 2568275A1
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France
Prior art keywords
threads
weft
textile reinforcement
warp
layers
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Granted
Application number
FR8412169A
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French (fr)
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FR2568275B1 (en
Inventor
Andre Fourezon
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Fils dAuguste Chomarat et Cie SA
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Fils dAuguste Chomarat et Cie SA
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Priority to FR8412169A priority Critical patent/FR2568275B1/en
Priority to BE0/215315A priority patent/BE902842A/en
Priority to DE8521108U priority patent/DE8521108U1/en
Priority to IT48408/85A priority patent/IT1182789B/en
Priority to ES545604A priority patent/ES8608599A1/en
Publication of FR2568275A1 publication Critical patent/FR2568275A1/en
Application granted granted Critical
Publication of FR2568275B1 publication Critical patent/FR2568275B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/543—Fixing the position or configuration of fibrous reinforcements before or during moulding
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/006—With additional leno yarn
    • 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
    • D03D15/20—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 material of the fibres or filaments constituting the yarns or threads
    • D03D15/242—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 material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
    • D03D15/267—Glass
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • D04B21/165—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads with yarns stitched through one or more layers or tows, e.g. stitch-bonded fabrics
    • 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
    • D10B2401/04—Heat-responsive characteristics
    • D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds
    • D10B2403/0241—Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02412—Fabric incorporating additional compounds enhancing mechanical properties including several arrays of unbent yarn, e.g. multiaxial fabrics
    • 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
    • D10B2505/00—Industrial
    • D10B2505/02—Reinforcing materials; Prepregs

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Woven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

Textile reinforcement for use in making layered complexes, the reinforcement consisting of lengthwise yarns 2 and crosswise yarns 1a, 1b. The different sheets are joined by means of additional lengthwise yarns 3 which run through the accumulated layers and around the outer layers, the said joining yarns being based on a heat-meltable substance.

Description

ARMATURE TEXTILE A BASE DE FILS DE VERRE UTILISABLE POUR
LA REALISATION DE COMPLEXES STRATIFIES.TEXTILE FRAME BASED ON GLASS YARNS FOR USE IN
THE PRODUCTION OF LAMINATE COMPLEXES.

L'invention concerne un perfectionnement apporté aux armatures textiles utilisées pour la réalisation de complexes stratifiés, c'est-à-dire d'articles à base de résine (polyester ou autres) armés par une nappe textile ode renforcement constituée par un tissu, une grille, un non-tissé ou une combinaison de tels éléments. The invention relates to an improvement made to the textile reinforcements used for the production of laminate complexes, that is to say articles based on resin (polyester or other) reinforced by a textile web ode reinforcement constituted by a fabric, a grid, a nonwoven or a combination of such elements.

Il a été constaté depuis très longtemps, ainsi que cela ressort notamment du brevet français 1 394 271 au nom du Demandeur, qu'il était nécessaire pour obtenir un complexe stratifié qui soit de bonne qualité, d'utiliser comme armature textile de renforcement un article qui, dans le cas d'un tissu, doit être tel que les fils de chaîne et les fils de trame aient entre eux le moins possible de points de croisement, afin qu'en évitant les ondulations de leur chevauchement, ils soient le plus droit et le plus plat possible. It has been noted for a very long time, as is apparent in particular from French patent 1 394 271 in the name of the Applicant, that it was necessary to obtain a laminated complex which is of good quality, to use an article as a reinforcing textile reinforcement. which, in the case of a fabric, must be such that the warp and weft threads have the least possible number of crossing points between them, so that by avoiding the undulations of their overlapping, they are the straightest and as flat as possible.

Un tel résultat est difficile à obtenir directement par tissage ainsi que cela ressort clairement du préambule de ce document. Par suite, diverses solutions ont été proposées pour obtenir des nappes dans lesquelles les fils élémentaires ne présentent pas de points de croisement entre eux. Parmi ces solutions, on peut citer celles faisant l'objet du brevet français 1 394 271 précité ou du brevet français 1 469 065~également au nom du Demandeurs qui consiste à réaliser une nappe selon laquelle les fibres de verre sont disposées suivant une même direction longitudinale, ces fibres étant liées entre elles soit chimiquement (brevet français 1 394 271) soit au moyen d'une couture (brevet français 1 469 065). Such a result is difficult to obtain directly by weaving as is clear from the preamble of this document. As a result, various solutions have been proposed for obtaining plies in which the elementary yarns do not have crossing points between them. Among these solutions, mention may be made of those which are the subject of the aforementioned French patent 1,394,271 or of the French patent 1,469,065 ~ also in the name of the Applicants, which consists in producing a sheet according to which the glass fibers are arranged in the same direction. longitudinal, these fibers being bonded together either chemically (French patent 1,394,271) or by means of a seam (French patent 1,469,065).

Il a été également proposé dans 1'US-A-3 930 091 de réaliser une nappe, qui contrairement aux précédentes, est constituée pour majorité de fibres de verre s'étendant transversalement par rapport à la longueur de ladite nappe, ces fils étant liés entre eux par une chaîne de liage, lâche, constituée de fils enduits d'une matière thermofusible ou similaire, permettant, après traitement.thermique notamment, de maintenir les fils de trame parallèlement les uns aux autres. It has also been proposed in US-A-3,930,091 to produce a ply, which unlike the previous ones, consists mainly of glass fibers extending transversely relative to the length of said ply, these threads being linked between them by a loose tying chain, consisting of threads coated with a hot-melt material or the like, making it possible, after heat treatment in particular, to keep the weft threads parallel to each other.

Dans les deux cas, on obtient des nappes dites "unidirectionnelles" qui posent des problèmes d'utilisation lorsque l'on souhaite réaliser des articles renforcés à la fois longitudinalement et transversalement. In both cases, so-called "unidirectional" plies are obtained which pose problems of use when it is desired to produce reinforced articles both longitudinally and transversely.

Or on a trouvé, et c'est ce qui fait l'objet de la présente invention, qu'il était possible par une sélection de moyens connus, moyens combinés également de manière bien précise, d'obtenir des armatures textiles utilisables comme éléments de renforcement de complexes stratifiés qui, non seulement, comportent des fils orientés dans des directions différentes et disposés en couches superposées, les fils des différentes couches ne s'entrecroisant pas entre eux, mais également présentent la caractéristique de pouvoir être facilement stockés, manipulés et mis en oeuvre, les différentes couches étant fermement liées les unes aux autres et leurs fils élémentaires ne pouvant être déplacés les uns par rapport aux autres. Now we have found, and this is what is the subject of the present invention, that it was possible by a selection of known means, means also combined very precisely, to obtain textile reinforcements usable as elements of reinforcement of laminate complexes which not only have threads oriented in different directions and arranged in superimposed layers, the threads of the different layers not overlapping each other, but also have the characteristic of being easily stored, handled and put in use, the different layers being firmly bonded to each other and their elementary son can not be moved relative to each other.

D'une manière générale, l'invention concerne donc un nouveau type d'armature textile utilisable pour la réali- sation de stratifiés, cette armature étant constituée de nappes superposées de fils 1ea#gitudinaux et de fils transversaux étant caractérisée par le fait que la liaison des différentes nappes entre elles est obtenue au moyen de fils longitudinaux additionnels qui traversent l'empilement et contournent les couches externes, lesdits fils de liage étant à base d'une matière thermofusible. In general, the invention therefore relates to a new type of textile reinforcement which can be used for the production of laminates, this reinforcement consisting of superimposed layers of 1ea # gitudinal yarns and transverse yarns, characterized in that the connection of the different plies together is obtained by means of additional longitudinal threads which pass through the stack and bypass the external layers, said bonding threads being based on a hot-melt material.

Un tel matériau peut être obtenu soit par tissage conventionnel soit en faisant appel à une technique de couture tricotage. Such a material can be obtained either by conventional weaving or by using a knitting stitching technique.

Lorsque le matériau conforme à l'invention est réalisé par tissage, l'armure choisie sera sélectionnée parmi celles permettant d'obtenir un article dans lequel les fils de chaine et les fils de trame de renforcement ne se croisent pas entre eux, la couche de fils de chaine étant emprisonnée entre deux couches de fils de trame, les fils de liage étant quant à eux constitués par une chaîne additionnelle travaillant suivant une armure telle qu'ils contournent les fils de trame de renforcement et ce, avec un embuvage suffisant pour que les fils de chaîne et de trame de renforcement soient maintenus le plus droit et le plus plat possible et n'ondulent pas les uns par rapport aux autres. When the material according to the invention is produced by weaving, the weave chosen will be selected from those making it possible to obtain an article in which the warp threads and the reinforcing weft threads do not cross each other, the layer of warp threads being trapped between two layers of weft threads, the binding threads being constituted by an additional warp working in an armor such that they bypass the reinforcing weft threads and this, with sufficient shrinking so that the reinforcing warp and weft threads are kept as straight and flat as possible and do not undulate with respect to each other.

Le matériau conforme à l'invention peut également être obtenu en mettant en oeuvre des techniques conventionnelles dites "par couture-tricotage"#(type Malîmo ou
Maliwatt), techniques selon lesquelles. des fils longitudinaux et transversaux, éventuellement associés à des nappes fibreuses, sont liés entre eux par des coutures sous forme de chaînette ou de tricot. Dans un tel cas, conformément à l'invention, les fils de couture permettant d'assurer la liaison des fils longitudinaux et des fils transversaux seront également à base d'un fil thermofusible.The material according to the invention can also be obtained by using conventional techniques known as "by sewing-knitting"# (such as Malîmo or
Maliwatt), techniques according to which. longitudinal and transverse threads, possibly associated with fibrous sheets, are linked together by seams in the form of a chain or knitted fabric. In such a case, in accordance with the invention, the sewing threads used to ensure the connection of the longitudinal threads and the transverse threads will also be based on a hot-melt thread.

Avec cette technique, il peut être envisagé d'associer aux fils longitudinaux et aux fils transversaux une couche additionnelle constituée par un voile fibreux.With this technique, it can be envisaged to combine the longitudinal threads and the transverse threads with an additional layer constituted by a fibrous web.

Comme fils thermofusibles de liage, on utilisera toute matière compatible avec les résines à renforcer. On peut; par exemple, utiliser un fil à base de copolyamides tels que ceux commercialisés sous la marque Grilon et dont la zone de fusion se situe entre 70 et 1500 C, ces fils pouvant être soit des multifilaments, soit des monofilaments. As hot-melt bonding yarns, any material compatible with the resins to be reinforced will be used. We can; for example, using a yarn based on copolyamides such as those sold under the brand Grilon and the melting zone of which is between 70 and 1500 ° C., these yarns can be either multifilaments or monofilaments.

Le traitement thermique permettant de révéler les propriétés thermofusibles du fil de liage peut être réalisé soit directement après réalisation du complexe par tissage ou couture tricotage soit, éventuellement lors d'une étape ultérieure. Dans certains cas, la matière fusible peut être utilisée non seulement pour permettre la liaison des différentes couches entre elles mais également pour permettre de rapporter un revêtement externe au complexe textile , par exemple un film, tissu, papier additionnel. The heat treatment making it possible to reveal the hot-melt properties of the binding yarn can be carried out either directly after production of the complex by weaving or stitching knitting or, possibly during a subsequent step. In certain cases, the fusible material can be used not only to allow the connection of the different layers together but also to allow an external coating to be added to the textile complex, for example a film, fabric, additional paper.

L'invention et les avantages qu'elle apporte seront cependant mieux compris grâce aux exemples de réalisation donnés ci-après à titre indicatif mais non limitatif qui sont illustrés par les schémas annexés dans lesquels
- la figure 1 est une vue en perspective d'un matériau conforme à l'invention réalisé par tissage
- les figures 2 et 3 sont des vues respectivement selon A et B montrant plus en détail le positionnement des différents constituants d'un tel matériau
- les figures 4 et 5 sont des vues similaires à la figure 2 montrant d'autres variantes d'un matériau conforme à l'invention obtenu également par tissage
- les figures 6,7 et 8 sont des vues d'un matériau Xespectiveent en plan, en coupe selon l'axe AA et l'axe
BB d'un matériau conforme à l-'invention obtenu par la technique couture/tricotage, un voile fibreux étant associé audit matériau.The invention and the advantages which it brings will however be better understood thanks to the exemplary embodiments given below by way of indication but not limitation which are illustrated by the appended diagrams in which
- Figure 1 is a perspective view of a material according to the invention produced by weaving
- Figures 2 and 3 are views respectively along A and B showing in more detail the positioning of the different constituents of such a material
- Figures 4 and 5 are views similar to Figure 2 showing other variants of a material according to the invention also obtained by weaving
- Figures 6,7 and 8 are views of a Xespectiveent material in plan, in section along the axis AA and the axis
BB of a material according to the invention obtained by the sewing / knitting technique, a fibrous veil being associated with said material.

Si l'on se reporte aux schémas annexés, schémas dans lesquels les mêmes références ont été utilisées pour désigner les mêmes éléments, le matériau conforme à l'invention est constitué d'une nappe de fils longitudinaux (2) superposés avec au moins une nappe de fils transversaux (1), lesdites nappes ne s'entrecroisant pas entre elles et étant liées par l'intermédiaire de fils de liage (3) à base d'une matière thermofusible. If reference is made to the appended diagrams, diagrams in which the same references have been used to designate the same elements, the material according to the invention consists of a ply of longitudinal wires (2) superimposed with at least one ply transverse son (1), said plies do not intersect with each other and being linked by means of binding son (3) based on a hot-melt material.

Lorsqu'un tel matériau est obtenu par tissage (figures 1 à s), l'armure est choisie de telle sorte que les fils de chaîne (2) et les fils de#trame (1) ne s'entrecroisent pas, la liaison étant donnée par des fils de chaîne additionnels (3) provenant d'une ensouple supplémentaire, l'embuvaqe de ces fils de chaîne (3) étant importants pour que les nappes à base des fils (1) et (2) restent bien superposées les unes par rapport aux autres. When such a material is obtained by weaving (FIGS. 1 to s), the weave is chosen so that the warp threads (2) and the weft threads (1) do not cross, the connection being given by additional warp threads (3) coming from an additional beam, the embuvaqe of these warp threads (3) being important so that the plies based on the threads (1) and (2) remain well superposed one on the other compared to others.

De cette manière, on obtient deux nappes transversales (la,lb) qui emprisonnent entre elles une nappe de fils longitudinaux (2).In this way, two transverse layers (1a, 1b) are obtained which trap between them a layer of longitudinal wires (2).

Il est possible, par le choix de l'armure, d'obtenir des nappes transversales parfaitement identiques (fiqures 2 et 4), les fils de trame inférieur (la) et supérieur (lb) étant disposés en alternance de part et d'autre des fils de chaîne (1). Dans l'exemple faisant l'objet des fiqures 1,2, 3, cette alternance est de un fil de trame (la) pour un fil de trame (lob) alors que ddnz l'exemple illustré par la figure 4, cette alternance est de deux fils de trame (la) pour deux fils de trame (lb). It is possible, by the choice of armor, to obtain perfectly identical transverse plies (Figures 2 and 4), the lower (la) and upper (lb) weft threads being arranged alternately on either side warp threads (1). In the example which is the subject of Figures 1,2, 3, this alternation is of a weft thread (la) for a weft thread (lob) whereas in the example illustrated by FIG. 4, this alternation is of two weft threads (la) for two weft threads (lb).

Il est également possible, ainsi que cela ressort de la figure 5, de modifier cette proportion de manière à avoir par exemple un fil de trame (la) pour trois fils de trame (lb). Cela permet d'obtenir éventuellement des articles dont les propriétés varient d'une face à l'autre. It is also possible, as is apparent from FIG. 5, to modify this proportion so as to have, for example, one weft thread (la) for three weft threads (lb). This makes it possible to possibly obtain articles whose properties vary from one side to the other.

Dans tous les cas, les fils de chaîne de liage (3) traversent l'ensemble des couches et les maintiennent parallèlement les unes aux autres. In all cases, the binding warp threads (3) pass through all of the layers and keep them parallel to each other.

Les figures 6,7 et 8 illustrent une variante conforme à l'invention obtenue par la technique couture/tricotage (Malimo). Dans cet exemple, comme précédemment, l'article est constitué de nappes superposées de fils de chaîne (2) et de fils de trame (1), ces fils étant maintenus par une chaîne de fils de liage additionnels formant un tricot de liage. De plus, un voile (4) peut être incorporé à l'ensemble et être également lié par les fils de liage (3).  Figures 6,7 and 8 illustrate a variant according to the invention obtained by the sewing / knitting technique (Malimo). In this example, as before, the article consists of overlapping plies of warp threads (2) and weft threads (1), these threads being held by a chain of additional binding threads forming a binding knit. In addition, a veil (4) can be incorporated into the assembly and also be linked by the binding wires (3).

Exemple 1
Sur un métier à tisser conventionnel, on réalise une structure textile conforme à l'invention du type illustré par les figures 1,2 et 3.Example 1
On a conventional weaving loom, a textile structure according to the invention of the type illustrated in FIGS. 1, 2 and 3 is produced.

On utilise comme fils de chaîne (2) des fils de verre ayant un titre d'environ 1200 Dtex et comme fils de trame (2) également des fils de verre mais ayant un titre de 600 tex. Glass yarns having a count of about 1200 Dtex are used as warp yarns (2) and as weft yarns (2) also glass yarns but having a count of 600 tex.

Les fils de chaîne de liage (3) sont constitués par des fils de Grilon type 1(115 dont le point de fusion est compris entre 110 et 120pu. Ces fils thermofusibles sont des monofilaments ayant un diamètre de 0,15 mm. The binding warp threads (3) consist of Grilon type 1 threads (115 whose melting point is between 110 and 120pu. These hot-melt threads are monofilaments having a diameter of 0.15 mm.

Le tissage est réalisé selon une armure en toile avec une alternance de un fil thermofusible (3) pour un fil de chaîne (2). The weaving is carried out according to a weave in fabric with an alternation of a hot-melt thread (3) for a warp thread (2).

A la sortie du métier, on obtient une structure tissée dans laquelle les fils de chaîne (2) sont maintenus emprisonnés entre deux nappes de trame (la,lb) sans entrecroisement entre ces fils. Par ailleurs, compte-tenu du fort embuvage des fils de liaqe (3), les différentes nappes sont parfaitement rectilignes. At the end of the loom, a woven structure is obtained in which the warp threads (2) are kept trapped between two weft plies (la, lb) without interlacing between these threads. In addition, taking into account the strong embuvage of the connecting threads (3), the various layers are perfectly straight.

Après tissage, on effectue un traitement thermique à environ 1759C- qui provoque la fusion des fils de liage (3) et conduit à un ensemble dans lequel les différents fils de chaîne et de trame sont parfaitement positionnés les uns par rapport aux autres et ce, dans des plans pratiquement parallèles sans qu'il y ait interpénétration des différents fils entre eux. After weaving, a heat treatment is carried out at around 1759C which causes the bonding threads (3) to merge and leads to an assembly in which the various warp and weft threads are perfectly positioned with respect to each other, in practically parallel planes without there being interpenetration of the various wires between them.

Un tel matériau peut être facilement-stocké, manipulé, coupé et est particulièrement approprié pour le renforcement d'articles stratifiés à base de résine polyester. Such material can be easily stored, handled, cut and is particularly suitable for the reinforcement of laminated articles based on polyester resin.

Exemple 2
On répète l'exemple 1 si ce n'est que l'armure est du type illustré par la figure 4, c'est-à-dire que le tissage est réalisé de telle sorte que l'on ait une alternance de deux fils de trame (la) (nappe inférieure) pour deux fils de trame (lb) (nappe supérieure) emprisonnant entre elles une nappe de chaîne (2). Comme précédemment, le liage des différentes couches est obtenu au moyen d'un fil thermofusible (3) provenant d'une chaîne additionnelle, dont le débit est réglé de manière à avoir un fort embuvage et dont l'armure est celle illustrée à la figure 4.Example 2
Example 1 is repeated except that the weave is of the type illustrated in FIG. 4, that is to say that the weaving is carried out so that there is an alternation of two yarns of weft (la) (lower ply) for two weft threads (lb) (upper ply) trapping between them a warp ply (2). As before, the bonding of the different layers is obtained by means of a hot-melt wire (3) coming from an additional chain, the flow rate of which is adjusted so as to have a strong embuvage and the armor of which is that illustrated in the figure. 4.

On obtient, après traitement thermique, un complexe qui peut être facilement stocké, manipulé et découpé si nécessaire et être utilisé comme renforcement de tous matériaux stratifiés. After heat treatment, a complex is obtained which can be easily stored, handled and cut if necessary and used as reinforcement for all laminated materials.

Exemple 3
Cet exemple est illustré par la figure 5.Example 3
This example is illustrated in Figure 5.

Il se différencie de l'exemple 1 par l'armure de tis sage qui est telle que les nappes de trame soient constituées d'un fil de trame (la) pour trois fils de trame (lb) enserrant entre elles une nappe de fils de chaîne (2). It differs from Example 1 by the weave weave which is such that the weft plies consist of a weft yarn (la) for three weft yarns (lb) enclosing between them a ply of yarns of chain (2).

On obtient un matériau qui, après traitement thermique, présente des caractéristiques différentes sur ces faces. A material is obtained which, after heat treatment, has different characteristics on these faces.

Exemple 4
On réalise un matériau conforme à l'invention du type illustré aux figures 6,7 et 8 sur un métier de type
Maliwatt.Example 4
A material according to the invention of the type illustrated in FIGS. 6,7 and 8 is produced on a loom of the type
Maliwatt.

Ce matériau comporte une nappe de fils de chaîne (2) constituée de fils de verre ayant un titre d'environ 1200 Tex superposée à une nappe de fils de trame, également à base de verre ayant un titre de 600 Tex. This material comprises a layer of warp threads (2) made up of glass threads having a titer of approximately 1200 Tex superimposed on a sheet of weft threads, also based on glass having a titer of 600 Tex.

Par ailleurs, un voile de polyester pesant environ 30g/m? est associé à la nappe de chaine et de trame. Ces trois couches sont liées par l'intermédiaire d'un tricot de liage réalisé au moyen de fils thermofusibles (3) également à base de Grilon type K155.  In addition, a polyester veil weighing approximately 30g / m? is associated with the web of warp and weft. These three layers are linked by means of a binding knit produced by means of hot-melt threads (3) also based on Grilon type K155.

Après traitement thermique, on obtient un complexe dans lequel les différents éléments ne peuvent pas être déplacés les uns par rapport aux autres, complexe qui peut être facilement stocké et manipulé. After heat treatment, a complex is obtained in which the different elements cannot be moved relative to one another, a complex which can be easily stored and handled.

Un tel article peut également être utilisé avec succès pour le renforcement d'articles stratifiés à base de polyester. Such an article can also be successfully used for the reinforcement of polyester-based laminated articles.

Les différents exemples qui précèdent montrent bien les avantages apportés par l'invention et notamment le fait qu'il est possible d'obtenir un complexe comportant des nappes superposées de fils longitudinaux et de fils transversaux, nappes parfaitement positionnées et maintenues les unes par rapport aux autres sans que lesdits fils ne s'entrecroisent ou s'interpénètrent. The various examples which precede clearly show the advantages brought by the invention and in particular the fact that it is possible to obtain a complex comprising overlapping plies of longitudinal and transverse yarns, plies perfectly positioned and maintained in relation to the others without said wires intersecting or interpenetrating.

Bien entendu, l'invention n'est pas limitée aux exemples de réalisation décrits précédemment mais elle en couvre toutes les variantes réalisées dans le même esprit. Of course, the invention is not limited to the embodiments described above but it covers all the variants produced in the same spirit.

Ainsi, un tel matériau pourrait être utilisé pour d'autres applications que le renforcement de résines, par exemple comme support de bitume ou d'enductions diverses. Thus, such a material could be used for other applications than the reinforcement of resins, for example as a support for bitumen or various coatings.

De plus, pour certaines applications, il pourrait être envisagé d'associer aux fils de chaîne en verre des fils thermofusibles additionnels, parallèles ou noyés à l'intérieur desdits fils de chaîne et qui travailleraient donc de la même manière qu'eux.  In addition, for certain applications, it could be envisaged to associate with the glass chain wires additional hot-melt wires, parallel or embedded inside said chain wires and which would therefore work in the same way as them.

Claims (8)

REVENDICATIONS 1/ Armature textile utilisable pour la réalisation de complexes stratifiés constituée de nappes superposées de fils longitudinaux (2) et de fils transversaux (la, lob), caractérisée par le fait que la liaison des différentes nappes entre elles est obtenue au moyen de fils longitudinaux additionnels (3) qui traversent l'empilement et contournent les couches externes, lesdits fils de liage étant à -base d'une matière thermofusible. 1 / Textile reinforcement usable for the production of laminate complexes consisting of superimposed layers of longitudinal threads (2) and transverse threads (la, lob), characterized in that the connection of the different layers is obtained by means of longitudinal threads additional (3) which pass through the stack and bypass the outer layers, said bonding son being based on a hot-melt material. 2/ Armature textile selon la revendication 1, caractérisée par le fait qu'elle est obtenue par tissage. 2 / textile reinforcement according to claim 1, characterized in that it is obtained by weaving. 3/ Armature textile selon la revendication 2, caractérisée par le fait que l'armure de tissage est sélectionnée parmi celles permettant d'obtenir un article dans lequel les fils de chaîne (2) et les fils de trame (la, lb) de renforcement ne se croisent pas entre eux, la couche de fils de chaîne (2) étant emprisonnée entre deux couches de fils de trame (la,lb), les fils de liage (3) étant quant à eux, constitués par une chaîne additionnelle travaillant suivant une armure telle qu'ils contournent les fils de trame (la,lb) de renforcement et ce, avec un embuvage suffisant pour que les fils de chaîne (2) et de trame (la,lb) de renforcement soient maintenus le plus droit et le plus plat possible et n'ondulent pas les uns par rapport aux autres. 3 / textile reinforcement according to claim 2, characterized in that the weaving weave is selected from those making it possible to obtain an article in which the warp threads (2) and the weft threads (la, lb) of reinforcement do not cross each other, the layer of warp threads (2) being trapped between two layers of weft threads (la, lb), the binding threads (3) being in turn, constituted by an additional chain working along a weave such that they bypass the reinforcing weft yarns (la, lb) and this, with sufficient misting so that the reinforcing warp (weft) and weft yarns (la, lb) are kept straight and as flat as possible and do not undulate with respect to each other. 4/ Armature textile selon la revendication 3, caractérisée par le fait que les nappes de fils de trame (la, lb) sont identiques. 4 / textile reinforcement according to claim 3, characterized in that the weft son plies (la, lb) are identical. 5/ Armature textile selon la revendication 3, caractérisée par le fait que les nappes de fils de trame (la, lb) sont différentes. 5 / textile reinforcement according to claim 3, characterized in that the weft son plies (la, lb) are different. 6/ Armature textile selon la revendication 1, caractérisée par le fait que les fils de chaîne (2) et les fils de trame (1) sont liés entre eux par des coutures sous forme de chaînette ou de tricot à base de fils thermofusibles (3). 6 / textile reinforcement according to claim 1, characterized in that the warp threads (2) and the weft threads (1) are linked together by stitching in the form of a chain or knitted fabric based on hot-melt threads (3 ). 7/ Armature selon la revendication 6, caractérisée par le fait qu'une couche additionnelle constituée par un voile fibreux (4) est associée aux nappes de chaine (2) et de trame (1). 7 / frame according to claim 6, characterized in that an additional layer consisting of a fibrous web (4) is associated with the warp (2) and weft (1) plies. 8/ Armature textile selon l'une des revendications 1 à 7, caractérisée par le fait que le traitement thermique permettant de révéler les propriétés thermofusibles des fils de liage (3) est réalisé soit directement après réalisation du complexe par tissage ou couture/tricotage; soit lors d'une étape ultérieure.  8 / textile reinforcement according to one of claims 1 to 7, characterized in that the heat treatment for revealing the hot-melt properties of the binding son (3) is carried out either directly after production of the complex by weaving or sewing / knitting; either at a later stage.
FR8412169A 1984-07-27 1984-07-27 TEXTILE REINFORCEMENT BASED ON GLASS YARNS USEFUL FOR THE PRODUCTION OF LAMINATED COMPLEXES Expired FR2568275B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8412169A FR2568275B1 (en) 1984-07-27 1984-07-27 TEXTILE REINFORCEMENT BASED ON GLASS YARNS USEFUL FOR THE PRODUCTION OF LAMINATED COMPLEXES
BE0/215315A BE902842A (en) 1984-07-27 1985-07-09 TEXTILE REINFORCEMENT BASED ON GLASS YARNS USEFUL FOR THE PRODUCTION OF LAMINATED COMPLEXES
DE8521108U DE8521108U1 (en) 1984-07-27 1985-07-22 Textile reinforcement in sheet or strip form for the production of layer structures
IT48408/85A IT1182789B (en) 1984-07-27 1985-07-25 TEXTILE REINFORCEMENT BASED ON GLASS WIRES, USABLE FOR THE REALIZATION OF LAYERED COMPLEXES
ES545604A ES8608599A1 (en) 1984-07-27 1985-07-26 Glass-fibre-based textile reinforcement for use in making layered complexes

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FR8412169A FR2568275B1 (en) 1984-07-27 1984-07-27 TEXTILE REINFORCEMENT BASED ON GLASS YARNS USEFUL FOR THE PRODUCTION OF LAMINATED COMPLEXES

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FR2568275B1 FR2568275B1 (en) 1986-09-05

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DE (1) DE8521108U1 (en)
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EP0251217A2 (en) * 1986-07-02 1988-01-07 Vorwerk & Co. Interholding GmbH Building element made from a laminated multilayer fabric
EP0303534A1 (en) * 1987-08-11 1989-02-15 Brochier S.A. Textile structure for making stratified products with great mechanical properties
EP0392939A1 (en) * 1989-04-14 1990-10-17 HEXCEL Société Anonyme: Thermoplastic fabric
EP0530120A1 (en) * 1991-08-27 1993-03-03 C.R.S.T. (S.A.) Textile tubular armature for reinforcement of materials and device for its manufacture
EP0634537A2 (en) * 1993-07-14 1995-01-18 GEHRING, Manfred, Dr. Edge protecting border
EP0665314A2 (en) * 1994-01-26 1995-08-02 Schlegel Corporation A knitted wire carrier having bonded warp threads and method for forming same
WO1996027039A1 (en) * 1995-03-02 1996-09-06 N.V. Syncoglas S.A. Reinforcement material
NL1000213C2 (en) * 1995-04-25 1996-10-28 Dsm Nv Flat textile structure of reinforcing fibers.
EP0758693A1 (en) * 1995-08-11 1997-02-19 BUCK, Alfred Semi-finished product for composite material
WO1998002606A1 (en) * 1996-07-16 1998-01-22 Teijin Limited Fibrous sheet for structure reinforcement and structure reinforced with same
EP1072711A1 (en) * 1999-07-28 2001-01-31 Mermet S.A. Reinforcement textile laminate
US6360780B1 (en) 2000-08-30 2002-03-26 Owens Corning Fiberglas Technology, Inc. Liner for reinforcing a pipe and method of making the same
WO2002057527A1 (en) * 2001-01-19 2002-07-25 Bae Systems Plc Non-crimp fabrics
WO2002063083A1 (en) * 2001-02-07 2002-08-15 Rhodia Industrial Yarns Ag Knitted fabric consisting of polyamide yarns for producing layered composite bodies, and the use of the same
US6655416B2 (en) 1999-10-25 2003-12-02 Etablissement Les Fild D'auguste Chomarat Et Cie Textile material in sheet form for technical uses
WO2004011707A2 (en) * 2002-07-26 2004-02-05 Bernd Gapp Composite material
EP1544336A2 (en) * 2003-12-15 2005-06-22 Johns Manville International, Inc. Patterned glass fiber textile
EP1544335A2 (en) * 2003-12-15 2005-06-22 Johns Manville International, Inc. Patterned glass fiber textile
EP1609899A2 (en) 2004-06-24 2005-12-28 The Goodyear Tire & Rubber Company High tear interwoven belt fabrics
CN102199841A (en) * 2011-05-25 2011-09-28 振石集团恒石纤维基业有限公司 6Mw 30-40 degree multiaxial glass fabric stitch-bonding method
US8192317B2 (en) * 2006-11-22 2012-06-05 Veyance Technologies, Inc. Reinforced belt for powerturn applications
US8262523B2 (en) * 2006-02-16 2012-09-11 Contitech Antriebssysteme Gmbh V-ribbed belt with improved noise properties
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Cited By (40)

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EP0251217A2 (en) * 1986-07-02 1988-01-07 Vorwerk & Co. Interholding GmbH Building element made from a laminated multilayer fabric
EP0251217A3 (en) * 1986-07-02 1990-03-07 Vorwerk & Co. Interholding Gmbh Building element made from a laminated multilayer fabric
EP0303534A1 (en) * 1987-08-11 1989-02-15 Brochier S.A. Textile structure for making stratified products with great mechanical properties
FR2619399A1 (en) * 1987-08-11 1989-02-17 Brochier Sa TEXTILE STRUCTURE FOR THE PRODUCTION OF LAMINATES HAVING HIGH MECHANICAL PROPERTIES
US5014755A (en) * 1987-08-11 1991-05-14 Brochier S.A. Textile structure with binding weave for multiple layers of non-interlaced fit filaments
EP0392939A1 (en) * 1989-04-14 1990-10-17 HEXCEL Société Anonyme: Thermoplastic fabric
EP0530120A1 (en) * 1991-08-27 1993-03-03 C.R.S.T. (S.A.) Textile tubular armature for reinforcement of materials and device for its manufacture
FR2680803A1 (en) * 1991-08-27 1993-03-05 Crst TUBULAR TEXTILE REINFORCEMENT FOR REINFORCING MATERIALS AND DEVICE FOR MANUFACTURING THE SAME.
EP0634537A2 (en) * 1993-07-14 1995-01-18 GEHRING, Manfred, Dr. Edge protecting border
EP0634537A3 (en) * 1993-07-14 1996-01-03 Manfred Dr Gehring Edge protecting border.
EP0665314A2 (en) * 1994-01-26 1995-08-02 Schlegel Corporation A knitted wire carrier having bonded warp threads and method for forming same
EP0665314A3 (en) * 1994-01-26 1995-11-29 Schlegel Corp A knitted wire carrier having bonded warp threads and method for forming same.
WO1996027039A1 (en) * 1995-03-02 1996-09-06 N.V. Syncoglas S.A. Reinforcement material
NL9500414A (en) * 1995-03-02 1996-10-01 Syncoglas Sa Nv Reinforcement material.
NL1000213C2 (en) * 1995-04-25 1996-10-28 Dsm Nv Flat textile structure of reinforcing fibers.
EP0743386A1 (en) * 1995-04-25 1996-11-20 Dsm N.V. Flat textile structure consisting of reinforcing fibres
EP0758693A1 (en) * 1995-08-11 1997-02-19 BUCK, Alfred Semi-finished product for composite material
WO1998002606A1 (en) * 1996-07-16 1998-01-22 Teijin Limited Fibrous sheet for structure reinforcement and structure reinforced with same
US6004888A (en) * 1996-07-16 1999-12-21 Teijin Limited Fibrous sheet for structure reinforcement and structure reinforced with same
FR2796969A1 (en) * 1999-07-28 2001-02-02 Mermet Sa COMPLEX TEXTILE REINFORCEMENT
EP1072711A1 (en) * 1999-07-28 2001-01-31 Mermet S.A. Reinforcement textile laminate
US6655416B2 (en) 1999-10-25 2003-12-02 Etablissement Les Fild D'auguste Chomarat Et Cie Textile material in sheet form for technical uses
US6360780B1 (en) 2000-08-30 2002-03-26 Owens Corning Fiberglas Technology, Inc. Liner for reinforcing a pipe and method of making the same
WO2002057527A1 (en) * 2001-01-19 2002-07-25 Bae Systems Plc Non-crimp fabrics
US7794640B2 (en) 2001-01-19 2010-09-14 Airbus Operations Limited Process of draping a non-crimp fabric over a forming tool
WO2002063083A1 (en) * 2001-02-07 2002-08-15 Rhodia Industrial Yarns Ag Knitted fabric consisting of polyamide yarns for producing layered composite bodies, and the use of the same
WO2004011707A2 (en) * 2002-07-26 2004-02-05 Bernd Gapp Composite material
WO2004011707A3 (en) * 2002-07-26 2005-04-07 Bernd Gapp Composite material
EP1544335A3 (en) * 2003-12-15 2005-08-31 Johns Manville International, Inc. Patterned glass fiber textile
EP1544336A3 (en) * 2003-12-15 2005-08-31 Johns Manville International, Inc. Patterned glass fiber textile
EP1544335A2 (en) * 2003-12-15 2005-06-22 Johns Manville International, Inc. Patterned glass fiber textile
EP1544336A2 (en) * 2003-12-15 2005-06-22 Johns Manville International, Inc. Patterned glass fiber textile
EP1609899A2 (en) 2004-06-24 2005-12-28 The Goodyear Tire & Rubber Company High tear interwoven belt fabrics
EP1609899A3 (en) * 2004-06-24 2006-08-16 The Goodyear Tire & Rubber Company High tear interwoven belt fabrics
US7304006B2 (en) 2004-06-24 2007-12-04 The Goodyear Tire & Rubber Company High tear interwoven belt fabric
CN1712594B (en) * 2004-06-24 2011-02-23 维扬斯科技公司 High tear interwoven belt fabric
US8262523B2 (en) * 2006-02-16 2012-09-11 Contitech Antriebssysteme Gmbh V-ribbed belt with improved noise properties
US8192317B2 (en) * 2006-11-22 2012-06-05 Veyance Technologies, Inc. Reinforced belt for powerturn applications
CN102199841A (en) * 2011-05-25 2011-09-28 振石集团恒石纤维基业有限公司 6Mw 30-40 degree multiaxial glass fabric stitch-bonding method
CN112359462A (en) * 2020-09-14 2021-02-12 浙江弘景纺织科技有限公司 Production method of TPU yarn interweaving back glue-free composite wall cloth fabric

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ES545604A0 (en) 1986-07-01
DE8521108U1 (en) 1986-01-09
ES8608599A1 (en) 1986-07-01
BE902842A (en) 1985-11-04
FR2568275B1 (en) 1986-09-05
IT8548408A0 (en) 1985-07-25
IT1182789B (en) 1987-10-05

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