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EP0390622B1 - Thermowelding textile for a fabric, and method for its production - Google Patents

Thermowelding textile for a fabric, and method for its production Download PDF

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Publication number
EP0390622B1
EP0390622B1 EP90400483A EP90400483A EP0390622B1 EP 0390622 B1 EP0390622 B1 EP 0390622B1 EP 90400483 A EP90400483 A EP 90400483A EP 90400483 A EP90400483 A EP 90400483A EP 0390622 B1 EP0390622 B1 EP 0390622B1
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EP
European Patent Office
Prior art keywords
textile
nonwoven
support
fabric covering
fiber according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90400483A
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German (de)
French (fr)
Other versions
EP0390622A1 (en
Inventor
Pierre Groshens
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.)
Lainiere de Picardie SA
Lainiere de Picardie BC SAS
Original Assignee
Lainiere de Picardie SA
Lainiere de Picardie BC SAS
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Filing date
Publication date
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Publication of EP0390622A1 publication Critical patent/EP0390622A1/en
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • 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.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2738—Coating or impregnation intended to function as an adhesive to solid surfaces subsequently associated therewith
    • Y10T442/2746—Heat-activatable adhesive
    • 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]
    • Y10T442/3707—Woven fabric including a nonwoven fabric layer other than paper
    • Y10T442/3724—Needled
    • Y10T442/3732—Including an additional nonwoven fabric
    • 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]
    • Y10T442/3707—Woven fabric including a nonwoven fabric layer other than paper
    • Y10T442/378—Coated, impregnated, or autogenously bonded
    • Y10T442/3789—Plural nonwoven fabric layers
    • 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.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/494—Including a nonwoven fabric layer other than paper

Definitions

  • the invention relates to a textile for interlining and its manufacturing process.
  • It relates more particularly to textiles intended for interlining the fronts of clothing, blouse and shirt collars, plastrons, co-plastrons, plastron reinforcements, plastrons or plastrons.
  • the technique of bonding a nonwoven web by fluid jet is also known.
  • fibers are brought in the form of a sheet facing nozzles producing jets of fluid under pressure. These jets produce a tangle of fibers which improves or gives cohesion to the sheet. It is known that the number and properties of fluid jets determine the properties of the resulting nonwoven web.
  • Patent FR-A-2 339 697 relates to a composite fabric comprising a layer of woven or knitted fabric and a non-woven layer, the individual fibers of which penetrate inside the preceding layer.
  • the association of the nonwoven layer with the woven or knitted layer is carried out by means of a fluid jet and this association is possibly preceded by the production of the nonwoven fabric by fluid jet also.
  • This composite fabric is mainly intended to serve as a basis for the manufacture of artificial leather. It can constitute a substrate having a high flexibility and resistance whose internal structure is closer to that of natural leather than that of a nonwoven of the conventional type.
  • German patent application DE-A-2 828 394 (MITSUBISHI RAYON, CO., LTD.) Relates to the manufacture of a fabric made of a basic textile and a short fiber material at least partially made of fibers natural.
  • the base fabric and the short fiber material are combined by the partial penetration of the short fibers into the gaps in the network formed by the base fabric.
  • the objective is to give a natural look to a product made from a base that is not.
  • document DE-A-1 956 605 (RADUNER) relates to a fusible interlining covered with a coating by points.
  • the support makes it possible to give textiles a good cohesion, a good nervousness and to make it not very extensible at least in one direction.
  • the non-woven layer contributes to giving it a particular volume and surface feel.
  • the problem of the invention is therefore to propose a new product comprising a knitted or woven textile support and at least one nonwoven web whose manufacture can be reliable, relatively simple and inexpensive.
  • the invention relates to a textile intended for interlining of the type comprising a knitted or woven textile support, at least one nonwoven web.
  • the nonwoven ply (s) are linked to the knitted or woven textile support by needling by fluid jet.
  • the invention also relates to a process for manufacturing a textile intended for interlining of the type in which at least one sheet of nonwoven textile is brought into contact with a knitted or woven textile support advancing continuously at the same speed.
  • bonding is carried out by fluid jet of the nonwoven textile layer (s) to the knitted textile support, the water is extracted and the textile obtained is dried, it is subjected to the finishing operations.
  • the textile intended for the interlining comprises a knitted or woven textile support 1, at least one non-woven sheet 2. It may optionally include a thermoadhesive coating layer 3.
  • the textile support 1 is of the same type as the fabrics usually used in the field of interlining. It can be made with synthetic fibers, for example polyester or polyamide or with natural or artificial fibers.
  • This support is woven or preferably knitted. It has a texture and includes titration threads adapted to the desired goals (nervousness-flexibility, elasticity, resistance). It is for example made up of a knitted woven fabric with a long weft.
  • the nonwoven ply (s) 2 are formed in a known manner.
  • they can be made up synthetic, artificial or natural fibers, carded oriented or not, chosen according to the volume and the feel of the textile complex that is to be produced.
  • the fiber titration can vary from 0.3 decitex for the production of light linings up to 10 to 15 decitex for the production of heavy linings, for example intended for breastplates.
  • the sheet of fibers may be subjected beforehand to a pre-needling, thermal bonding or any other "pre-kneading".
  • nonwoven fibers are replaced by synthetic nonwoven filaments extruded directly.
  • the nonwoven ply (s) 2 are linked to the knitted or woven textile support 1 by fluid jet needling. thus, by the effect of the jets, certain fibers of the nonwoven layer are entangled in the support fabric and provide the connection between the nonwoven sheet (s) 2 and the textile support 1.
  • Fluid jet needling also ensures the cohesion of the entire nonwoven web 2.
  • the textile support 1 can be associated with two nonwoven plies 2a, b each located on one of its sides. The textile support is then inserted between two nonwoven plies 2 to which it gives particular properties (nervousness, control of extensibility, resistance, etc.).
  • the textile may include a thermo-adhesive coating layer 3, this coating is preferably a spot coating produced for example by an engraving cylinder of the screen printing type.
  • the thermoplastic polymers used for this purpose can be polyethylenes, polyamides, modified vinyl acetates, polyesters, etc.
  • the properties of the textile result from the combination of the properties of its various components. So for the production of faceplates, a nervous textile support is used to which the nonwoven fiber layer (s) give a volume and a surface feel. For the production of cover plates, a mesh grid or woven warp and woven weft is used as the textile support 1, associated with very bulky sheets of non-woven fibers 2.
  • Reinforcement fusible textiles can be obtained by using more or less thick and more or less resilient grids as textile support which will be associated with one or more layers of fibers 2 or of extruded filaments (Spun bond; Melt-Blown ) non-woven.
  • the sheets of fibers 2 will have as main functions firstly to fill the intervals between the threads of the textile support 1, that is to say to close the texture of this textile. This makes it possible to eliminate the creep of the thermo-adhesive coating during thermal lamination on the drapery and, on the other hand, to give a volume to the fusible product.
  • At least one nonwoven textile sheet 2 is brought into contact 11 and a knitted or woven textile support 1 continuously advancing at the same speed.
  • a bonding 12 is then carried out by fluid jet of the nonwoven textile layer (s) 2 to the knitted or woven textile support 1, extraction 13 of the residual water is carried out and the textile obtained is dried.
  • thermo-adhesive layer 27 is then deposited.
  • the nonwoven textile layer 2 is brought on a carpet 21. However, when it is pre-needled, it can be brought by itself without being supported by a carpet.
  • the textile support 1 has generally been manufactured beforehand and is stored.
  • the nonwoven layer 2 and the support 1 are brought into contact with the rollers 23 and 24.
  • a set of nozzles 12 then subjects the nonwoven layer 2 to a set of fluid jets which entangle fibers in the nonwoven layer 2 and in the support fabric 1 simultaneously ensuring the cohesion of the nonwoven layer 2 and its attachment to the support 1.
  • the nonwoven textile web 2 now associated with its support 1 is dried in the enclosure 25, then subjected at 26 to the finishing operations.
  • the possible coating is carried out at 27.
  • the product obtained is then stored at 28.
  • the different drying operations 25, finishing 26, coating 27 are not described in detail, each being known in itself. Intermediate textile storage can be carried out between these different phases or even during one of some of them.
  • a second ply 2b can be brought onto a carpet 21b and brought into contact with the textile support by means of rollers 23 and 24.
  • a second set of nozzles 12b is then located on the path of the textile following the first set 12a and so as to act on the other face of the textile.
  • a second layer 2c can be brought by the mat 21c into contact with the first layer 2a and the set of nozzles 12 then simultaneously performs the bonding of the nonwoven layers together and the attachment of these layers to the textile support.
  • different configurations can be made associating a variable number of nonwoven layers 2, either all located on the same side of the support 1, which then only requires a set of nozzles 12 producing fluid jets, or located on either side of the textile support 1, which then requires two sets of needling nozzles 12a and 12b placed respectively on each side of the composite textile.
  • thermo-adhesive layer This manufacturing process allows the realization of fabrics intended for the interlining having varied qualities of nervousness, volume and touch depending on the properties of these different components. These fabrics can receive a thermo-adhesive layer.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
  • Details Of Garments (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Knitting Of Fabric (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

A textile for fabric covering and process for its manufacture. <??>It comprises a knitted or woven textile support (1) and at least one nonwoven sheet (2a or 2b). <??>According to the invention the nonwoven sheet(s) (2a or 2b) is (are) bonded to the knitted or woven textile support (1) by needling using a fluid jet.

Description

L'invention concerne un textile destine à l'entoilage et son procédé de fabrication.The invention relates to a textile for interlining and its manufacturing process.

Elle concerne plus particulièrement des textiles destinés à l'entoilage des devants de vêtements, cols de chemisier et chemise, des plastrons, co-plastrons, renforts de plastrons, couvre-plastrons ou plastrons.It relates more particularly to textiles intended for interlining the fronts of clothing, blouse and shirt collars, plastrons, co-plastrons, plastron reinforcements, plastrons or plastrons.

Ces produits sont destinés à donner aux textiles ou draperies sur lesquels ils sont fixés et aux vêtements le toucher, la souplesse et la nervosité qu'ils n'ont pas par eux-mêmes.These products are intended to give the textiles or draperies on which they are fixed and clothing the touch, flexibility and nervousness that they do not have by themselves.

On connaît déjà des textiles destinés à l'entoilage incorporant une couche de textile non tissée. Par exemple, selon le brevet FR-A-2 233 496, il est proposé de réaliser un voile comportant au moins une couche de fibres non tissées et non orientées et au moins une couche de fibres additionnelles présentant un haut degré d'orientation. Ces couches sont cousues ensemble par des fils synthétiques et leur enduction pour la réalisation d'un produit thermocollant est envisagée.There are already known textiles intended for interlining incorporating a layer of nonwoven fabric. For example, according to patent FR-A-2 233 496, it is proposed to produce a veil comprising at least one layer of non-woven and non-oriented fibers and at least one layer of additional fibers having a high degree of orientation. These layers are sewn together by synthetic threads and their coating for the production of a fusible product is envisaged.

On connaît également la technique de liage d'une nappe non tissée par jet de fluide. Selon cette technique, des fibres sont amenées sous forme de nappe face à des buses produisant des jets de fluide sous pression. Ces jets produisent un enchevêtrement des fibres qui améliore ou donne une cohésion à la nappe. Il est connu que le nombre et les propriétés de jets de fluide déterminent les propriétés de la nappe non tissée résultante.The technique of bonding a nonwoven web by fluid jet is also known. According to this technique, fibers are brought in the form of a sheet facing nozzles producing jets of fluid under pressure. These jets produce a tangle of fibers which improves or gives cohesion to the sheet. It is known that the number and properties of fluid jets determine the properties of the resulting nonwoven web.

Le brevet FR-A-2 339 697 (ASAHI) concerne une étoffe composite comportant une couche d'étoffe tissée ou tricotée et une couche non-tissée dont les fibres individuelles pénètrent à l'intérieur de la couche précédente. L'association de la couche non-tissée avec la couche tissée ou tricotée est réalisée au moyen de jet fluide et cette association est éventuellement précédée de la réalisation de l'étoffe non-tissée par jet fluide également. Cette étoffe composite est principalement destinée à servir de base à la fabrication de cuir artificiel. Elle peut constituer un substrat présentant une souplesse et une résistance élevées dont la structure interne est plus proche de celle du cuir naturel que celle d'un non-tissé de type classique.Patent FR-A-2 339 697 (ASAHI) relates to a composite fabric comprising a layer of woven or knitted fabric and a non-woven layer, the individual fibers of which penetrate inside the preceding layer. The association of the nonwoven layer with the woven or knitted layer is carried out by means of a fluid jet and this association is possibly preceded by the production of the nonwoven fabric by fluid jet also. This composite fabric is mainly intended to serve as a basis for the manufacture of artificial leather. It can constitute a substrate having a high flexibility and resistance whose internal structure is closer to that of natural leather than that of a nonwoven of the conventional type.

La demande de brevet allemand DE-A-2 828 394 (MITSUBISHI RAYON, CO., LTD.) concerne la fabrication d'une étoffe constituée d'un textile de base et d'un matériau à fibres courtes au moins partiellement constituées de fibres naturelles. Le textile de base et le matériau à fibres courtes sont associés par la pénétration partielle des fibres courtes dans les lacunes du réseau constitué par le textile de base. L'objectif recherché est de donner un aspect naturel à un produit réalisé à partir d'une base qui ne l'est pas.German patent application DE-A-2 828 394 (MITSUBISHI RAYON, CO., LTD.) Relates to the manufacture of a fabric made of a basic textile and a short fiber material at least partially made of fibers natural. The base fabric and the short fiber material are combined by the partial penetration of the short fibers into the gaps in the network formed by the base fabric. The objective is to give a natural look to a product made from a base that is not.

Par ailleurs, le document DE-A-1 956 605 (RADUNER) concerne un entoilage thermocollant recouvert d'une enduction par points.Furthermore, document DE-A-1 956 605 (RADUNER) relates to a fusible interlining covered with a coating by points.

L'association d'un support textile tricoté ou tissé et d'une nappe non tissée pour la réalisation d'un textile thermocollant destiné à l'entoilage présente de nombreux avantages.The combination of a knitted or woven textile support and a nonwoven web for the production of a fusible textile intended for interlining has many advantages.

Le support permet de donner aux textiles une bonne cohésion, une bonne nervosité et de le rendre peu extensible au moins dans une direction. La couche non tissée contribue à lui donner un volume et un toucher de surface particuliers.The support makes it possible to give textiles a good cohesion, a good nervousness and to make it not very extensible at least in one direction. The non-woven layer contributes to giving it a particular volume and surface feel.

Toutefois, la réalisation pratique de ce type de produit présente des difficultés qui rendent difficiles de grandes vitesses de fabrication et contribuent à donner à ces produits un prix élevé qui a jusqu'à présent freiné leur diffusion.However, the practical realization of this type of product presents difficulties which make high manufacturing speeds difficult and contribute to giving these products a high price which has hitherto hindered their diffusion.

Le problème de l'invention est donc de proposer un nouveau produit comportant un support textile tricoté ou tissé et au moins une nappe non tissée dont la fabrication puisse être fiable, relativement simple et peu coûteuse.The problem of the invention is therefore to propose a new product comprising a knitted or woven textile support and at least one nonwoven web whose manufacture can be reliable, relatively simple and inexpensive.

A cet effet, l'invention concerne un textile destiné à l'entoilage du type comportant un support textile tricoté ou tissé, au moins une nappe non tissée.To this end, the invention relates to a textile intended for interlining of the type comprising a knitted or woven textile support, at least one nonwoven web.

Selon i'invention, la ou les nappes non tissées sont liées au support textile tricoté ou tissé par aiguilletage par jet fluide.According to the invention, the nonwoven ply (s) are linked to the knitted or woven textile support by needling by fluid jet.

L'invention concerne également un procédé de fabrication d'un textile destiné à l'entoilage du type dans lequel on met en contact au moins une nappe de textile non tissée et un support textile tricoté ou tissé avançant continuement à la même vitesse.The invention also relates to a process for manufacturing a textile intended for interlining of the type in which at least one sheet of nonwoven textile is brought into contact with a knitted or woven textile support advancing continuously at the same speed.

Selon l'invention, on réalise un liage par jet fluide de la ou des nappes textiles non tissées au support textile tricoté, on extrait l'eau et on sèche le textile obtenu, on le soumet aux opérations de finissage.According to the invention, bonding is carried out by fluid jet of the nonwoven textile layer (s) to the knitted textile support, the water is extracted and the textile obtained is dried, it is subjected to the finishing operations.

L'invention sera décrite plus en détail en référence aux figures dans lesquelles :

  • La figure 1 représente schématiquement le textile de l'invention vu en coupe.
  • La figure 2 est une représentation schématique du textile de l'invention muni d'une couche thermoadhésive vu en coupe.
  • La figure 3 est une représentation des différentes étapes du procédé de fabrication selon l'invention.
The invention will be described in more detail with reference to the figures in which:
  • Figure 1 shows schematically the textile of the invention seen in section.
  • Figure 2 is a schematic representation of the textile of the invention provided with a thermoadhesive layer seen in section.
  • Figure 3 is a representation of the different stages of the manufacturing process according to the invention.

Le textile destiné à l'entoilage comporte un support textile tricoté ou tissé 1, au moins une nappe non tissée 2. Il peut éventuellement comporter une couche d'enduction thermoadhésive 3.The textile intended for the interlining comprises a knitted or woven textile support 1, at least one non-woven sheet 2. It may optionally include a thermoadhesive coating layer 3.

Le support textile 1 est du même type que les tissus habituellement utilisés dans le domaine de l'entoilage. Il peut être réalisé avec des fibres synthétiques, par exemple en polyester ou en polyamide ou encore avec des fibres naturelles ou artificielles.The textile support 1 is of the same type as the fabrics usually used in the field of interlining. It can be made with synthetic fibers, for example polyester or polyamide or with natural or artificial fibers.

Ce support est tissé ou de préférence tricoté. Il a une contexture et comporte des fils de titrages adaptés aux buts recherchés (nervosité-souplesse, élasticité, résistance). Il est par exemple constitué d' un tricot tramé avec une trame longue.This support is woven or preferably knitted. It has a texture and includes titration threads adapted to the desired goals (nervousness-flexibility, elasticity, resistance). It is for example made up of a knitted woven fabric with a long weft.

La ou les nappes non tissées 2 sont constituées de manière connue. De préférence, elles peuvent être constituées de fibres synthétiques, artificielles ou naturelles, cardées orientées ou non, choisies en fonction du volume et du toucher du complexe textile que l'on veut réaliser. Le titrage des fibres peut varier de 0,3 décitex pour la réalisation d'entoilages légers jusqu'à 10 à 15 décitex pour la réalisation d'entoilages lourds, par exemple destinés à des plastrons.The nonwoven ply (s) 2 are formed in a known manner. Preferably, they can be made up synthetic, artificial or natural fibers, carded oriented or not, chosen according to the volume and the feel of the textile complex that is to be produced. The fiber titration can vary from 0.3 decitex for the production of light linings up to 10 to 15 decitex for the production of heavy linings, for example intended for breastplates.

La nappe de fibres pourra subir préalablement un préaiguilletage, un liage thermique ou tout autre "préliage".The sheet of fibers may be subjected beforehand to a pre-needling, thermal bonding or any other "pre-kneading".

Il est aussi possible que les fibres non tissées soient remplacées par des filaments non tissés synthétiques extrudés directement.It is also possible that the nonwoven fibers are replaced by synthetic nonwoven filaments extruded directly.

La ou les nappes non tissées 2 sont liées au support textile tricoté ou tissé 1 par aiguilletage par jet fluide. ainsi, par l'effet des jets, certaines fibres de la couche non tissée sont enchevêtrées dans le tissu support et assurent la liaison entre la ou les nappes non tissées 2 et le support textile 1.The nonwoven ply (s) 2 are linked to the knitted or woven textile support 1 by fluid jet needling. thus, by the effect of the jets, certain fibers of the nonwoven layer are entangled in the support fabric and provide the connection between the nonwoven sheet (s) 2 and the textile support 1.

L'aiguilletage par jet fluide assure également la cohésion de l'ensemble de la nappe non tissée 2.Fluid jet needling also ensures the cohesion of the entire nonwoven web 2.

Le support textile 1 peut être associé à deux nappes non tissées 2a,b situées chacune sur l'un de ses côtés. Le support textile est alors inséré entre deux nappes non tissées 2 auxquels il donne des propriétés particulières (nervosité, contrôle de l'extensibilité, résistance, etc.).The textile support 1 can be associated with two nonwoven plies 2a, b each located on one of its sides. The textile support is then inserted between two nonwoven plies 2 to which it gives particular properties (nervousness, control of extensibility, resistance, etc.).

Il est également possible d'associer plusieurs nappes non tissées 2 sur le même côté du support textile 1, l'ensemble des nappes étant alors associé entre elles et associé au support textile 1 par aiguilletage par jet fluide.It is also possible to combine several nonwoven plies 2 on the same side of the textile support 1, all of the plies then being associated with each other and associated with the textile support 1 by needling by fluid jet.

Le textile peut comporter une couche d'enduction thermo-adhésive 3, cette enduction est de préférence une enduction par points réalisée par exemple par un cylindre de gravure du type sérigraphie. Les polymères thermoplastiques utilisés à cet effet peuvent être des polyéthylènes, polyamides, acétates de vinyle modifiés, polyesters, etc.The textile may include a thermo-adhesive coating layer 3, this coating is preferably a spot coating produced for example by an engraving cylinder of the screen printing type. The thermoplastic polymers used for this purpose can be polyethylenes, polyamides, modified vinyl acetates, polyesters, etc.

Les propriétés du textile résultent de la combinaison des propriétés de ses différents composants. Ainsi, pour la réalisation de plastrons, on utilise un support textile nerveux auquel la ou les nappes de fibres non tissées confèrent un volume et un toucher de surface. Pour la réalisation de couvre-plastrons, on utilise comme support textile 1 une grille-mailles ou tissée-chaîne et trame déformable associé à des nappes de fibres non tissées 2 très volumineuses.The properties of the textile result from the combination of the properties of its various components. So for the production of faceplates, a nervous textile support is used to which the nonwoven fiber layer (s) give a volume and a surface feel. For the production of cover plates, a mesh grid or woven warp and woven weft is used as the textile support 1, associated with very bulky sheets of non-woven fibers 2.

On peut obtenir des textiles thermocollants de renfort en mettant en oeuvre comme support textile des grilles plus ou moins épaisses et plus ou moins résiliantes que l'on associera à une ou plusieurs nappes de fibres 2 ou de filaments extrudés (Spun bond ; Melt-Blown) non tissées. Dans ce dernier cas, les nappes de fibres 2 auront comme fonctions principales d'une part de remplir les intervalles entre les fils du support textile 1, c'est-à-dire de clore la contexture de ce textile. Cela permet d'éliminer le fluage de l'enduction thermo-adhésive lors du contrecollage thermique sur la draperie et, d'autre part, de donner un volume au produit thermocollant.Reinforcement fusible textiles can be obtained by using more or less thick and more or less resilient grids as textile support which will be associated with one or more layers of fibers 2 or of extruded filaments (Spun bond; Melt-Blown ) non-woven. In the latter case, the sheets of fibers 2 will have as main functions firstly to fill the intervals between the threads of the textile support 1, that is to say to close the texture of this textile. This makes it possible to eliminate the creep of the thermo-adhesive coating during thermal lamination on the drapery and, on the other hand, to give a volume to the fusible product.

Pour fabriquer un textile composite destiné à l'entoilage, on met en contact 11 au moins une nappe textile non tissée 2 et un support textile tricoté ou tissé 1 avançant continuement à la même vitesse. On réalise alors un liage 12 par jet fluide de la ou des nappes textiles non tissées 2 au support textile tricoté ou tissé 1, on réalise l'extraction 13 de l'eau résiduelle et l'on sèche le textile obtenu.To manufacture a composite textile intended for interlining, at least one nonwoven textile sheet 2 is brought into contact 11 and a knitted or woven textile support 1 continuously advancing at the same speed. A bonding 12 is then carried out by fluid jet of the nonwoven textile layer (s) 2 to the knitted or woven textile support 1, extraction 13 of the residual water is carried out and the textile obtained is dried.

On le soumet aux opérations de finissage 26. Ensuite, éventuellement, on dépose ensuite une couche thermo-adhésive 27.It is subjected to the finishing operations 26. Then, optionally, a thermo-adhesive layer 27 is then deposited.

De manière générale, la couche textile non tissée 2 est amenée sur un tapis 21. Toutefois, lorsqu'elle est préaiguilletée, elle peut être amenée par elle-même sans être supportée par un tapis.Generally, the nonwoven textile layer 2 is brought on a carpet 21. However, when it is pre-needled, it can be brought by itself without being supported by a carpet.

Le support textile 1 a généralement été fabriqué au préalable et est stocké. La mise en contact de la couche non tissée 2 et du support 1 est réalisée au niveau des rouleaux 23 et 24. Un ensemble de buses 12 soumet alors la couche non tissée 2 à un ensemble de jets fluides qui réalisent l'enchevêtrement de fibres dans la couche non tissée 2 et dans le textile support 1 assurant simultanément la cohésion de la couche non tissée 2 et son accrochage sur le support 1. La nappe textile non tissée 2 maintenant associée à son support 1 est séchée dans l'enceinte 25, puis soumise en 26 aux opérations de finissage. L'enduction éventuelle est réalisée en 27. Le produit obtenu est alors stocké en 28. Les différentes opérations de séchage 25, finissage 26, enduction 27 ne sont pas décrites en détail, chacune étant en elle-même connue. Des stockages intermédiaires du textile pourront être réalisés entre ces différentes phases ou même au cours de l'une de certaines d'entre elles.The textile support 1 has generally been manufactured beforehand and is stored. The nonwoven layer 2 and the support 1 are brought into contact with the rollers 23 and 24. A set of nozzles 12 then subjects the nonwoven layer 2 to a set of fluid jets which entangle fibers in the nonwoven layer 2 and in the support fabric 1 simultaneously ensuring the cohesion of the nonwoven layer 2 and its attachment to the support 1. The nonwoven textile web 2 now associated with its support 1 is dried in the enclosure 25, then subjected at 26 to the finishing operations. The possible coating is carried out at 27. The product obtained is then stored at 28. The different drying operations 25, finishing 26, coating 27 are not described in detail, each being known in itself. Intermediate textile storage can be carried out between these different phases or even during one of some of them.

Afin de réaliser un textile destiné à l'entoilage comportant une nappe 2a non tissée sur chacun des côtés du support textile tricoté 1, une deuxième nappe 2b peut être amenée sur un tapis 21b et mise en contact avec le support textile par l'intermédiaire des rouleaux 23 et 24. Un deuxième ensemble de buses 12b est alors situé sur le parcours du textile à la suite du premier ensemble 12a et de manière à agir sur l'autre face du textile.In order to produce a textile intended for interlining comprising a nonwoven ply 2a on each side of the knitted textile support 1, a second ply 2b can be brought onto a carpet 21b and brought into contact with the textile support by means of rollers 23 and 24. A second set of nozzles 12b is then located on the path of the textile following the first set 12a and so as to act on the other face of the textile.

Afin d'associer plusieurs couches de textile non tissée 2 d'un même côté du support textile 1, une deuxième couche 2c peut être amenée par le tapis 21c au contact de la première couche 2a et l'ensemble de buses 12 réalise alors simultanément la liaison des couches non tissées entre elles et l'accrochage de ces couches au support textile. 1. De manière analogue, différentes configurations peuvent être réalisées associant un nombre variable de couches non tissées 2, soit toutes situées du même côté du support 1, ce qui ne nécessite alors qu'un ensemble de buses 12 produisant des jets fluides, soit situées de part et d'autre du support textile 1, ce qui nécessite alors deux ensembles de buses d'aiguilletage 12a et 12b placés respectivement de chaque côté du textile composite.In order to associate several layers of nonwoven fabric 2 on the same side of the textile support 1, a second layer 2c can be brought by the mat 21c into contact with the first layer 2a and the set of nozzles 12 then simultaneously performs the bonding of the nonwoven layers together and the attachment of these layers to the textile support. 1. Similarly, different configurations can be made associating a variable number of nonwoven layers 2, either all located on the same side of the support 1, which then only requires a set of nozzles 12 producing fluid jets, or located on either side of the textile support 1, which then requires two sets of needling nozzles 12a and 12b placed respectively on each side of the composite textile.

Ce procédé de fabricaton permet la réalisation de tissus destinés à l'entoilage possédant des qualités variées de nervosité, de volume et de toucher dépendant des propriétés à ces différents composants. Ces tissus peuvent recevoir une couche thermo-adhésive.This manufacturing process allows the realization of fabrics intended for the interlining having varied qualities of nervousness, volume and touch depending on the properties of these different components. These fabrics can receive a thermo-adhesive layer.

Claims (13)

  1. Fabric covering textile fiber of the type comprising :
    . a knitted or woven textile support (1),
    . at least one nonwoven lap (2),
       wherein certain fibers of the nonwoven laps (2) are interlocked in the knitted or woven textile support (1) by means of fluid jet needling.
  2. Fabric covering textile fiber according to claim 1, wherein the nonwoven laps (2) are preneedled.
  3. Fabric covering textile fiber according to claim 1 or 2, wherein it comprises at least two nonwoven laps (2a, b) each situated on one side of the textile support.
  4. Fabric covering textile fiber according to any one of claims 1 to 3, wherein it comprises several nonwoven laps (2a, c) on at least one of the sides of the textile support (1).
  5. Fabric covering textile fiber according to any one of claims 1 to 4, wherein the textile support (1) is a knitted fabric.
  6. Fabric covering textile fiber according to claim 5, wherein the textile support (1) is a picked knitting fabric.
  7. Fabric covering textile fiber according to any one of claims 1 to 4, wherein the textile support (1) is woven.
  8. Fabric covering textile fiber according to any one of claims 1 to 7, wherein it comprises a thermoadhesive coating layer.
  9. Method for producing a fabric covering textile fiber in which :
    . at least one nonwoven textile lap formed of carded fibers is placed in contact with a knitted or woven textile support moving forwards continuously at the same speed,
       wherein
    . the nonwoven textile lap(s) is/are linked by means of a fluid jet to the knitted or woven support ;
    . the water is extracted and the textile fiber obtained is dried ;
    . the textile fiber undergoes finishing operations.
  10. Method for producing a fabric covering textile fiber according to claim 9, wherein a first nonwoven textile lap is placed in contact and linked by means of a fluid jet to one first side of the textile support and then a second nonwoven textile lap is placed in contact and linked by means of a fluid jet to the second side of the textile support.
  11. Method for producing a fabric covering textile fiber according to claim 9, wherein two nonwoven textile laps are placed in contact with the textile support and at the same time the two laps are linked by means of a fluid jet to the textile support.
  12. Method for producing a fabric covering textile fiber according to claim 9, wherein a first nonwoven lap is placed in contact with the textile support and a second nonwoven lap with the first and wherein the two laps and the textile support are linked by means of a fluid jet.
  13. Method for producing a fabric covering textile fiber according to any one of claims 10 to 13, wherein a thermoadhesive layer is laid down after finishing.
EP90400483A 1989-03-31 1990-02-21 Thermowelding textile for a fabric, and method for its production Expired - Lifetime EP0390622B1 (en)

Applications Claiming Priority (2)

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FR8904247 1989-03-31
FR8904247A FR2645180B1 (en) 1989-03-31 1989-03-31

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EP0390622B1 true EP0390622B1 (en) 1994-06-01

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EP (1) EP0390622B1 (en)
JP (1) JP2636060B2 (en)
AT (1) ATE106467T1 (en)
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DE (1) DE69009271T2 (en)
DK (1) DK0390622T3 (en)
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FR (1) FR2645180B1 (en)

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JPH02289158A (en) 1990-11-29
ES2055354T3 (en) 1994-08-16
DE69009271D1 (en) 1994-07-07
JP2636060B2 (en) 1997-07-30
FR2645180A1 (en) 1990-10-05
FR2645180B1 (en) 1991-10-25
DK0390622T3 (en) 1994-09-19
DE69009271T2 (en) 1994-11-17
CA2013520C (en) 1994-05-10
US5153056A (en) 1992-10-06
ATE106467T1 (en) 1994-06-15
EP0390622A1 (en) 1990-10-03
CA2013520A1 (en) 1990-09-30

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