EP2335504A2 - Substrate for holding a clothing garment on a body part of a user - Google Patents

Substrate for holding a clothing garment on a body part of a user Download PDF

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Publication number
EP2335504A2
EP2335504A2 EP10290656A EP10290656A EP2335504A2 EP 2335504 A2 EP2335504 A2 EP 2335504A2 EP 10290656 A EP10290656 A EP 10290656A EP 10290656 A EP10290656 A EP 10290656A EP 2335504 A2 EP2335504 A2 EP 2335504A2
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EP
European Patent Office
Prior art keywords
substrate
network
textile layer
points
article
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10290656A
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German (de)
French (fr)
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EP2335504A3 (en
EP2335504B1 (en
Inventor
Jean Lefevre
Yves Lehouarner
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 BC SAS
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Lainiere de Picardie BC SAS
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Publication of EP2335504A2 publication Critical patent/EP2335504A2/en
Publication of EP2335504A3 publication Critical patent/EP2335504A3/en
Application granted granted Critical
Publication of EP2335504B1 publication Critical patent/EP2335504B1/en
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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B11/00—Hosiery; Panti-hose
    • A41B11/02—Reinforcements
    • A41B11/04—Reinforcements of the stocking top
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B11/00—Hosiery; Panti-hose
    • A41B11/12—Means at the upper end to keep the stockings up
    • A41B11/126—Means at the upper end to keep the stockings up having friction increasing means
    • A41B11/128—Means at the upper end to keep the stockings up having friction increasing means in discontinuous form

Definitions

  • the invention proposes an associable band by laminating to a clothing article for maintaining said article on a part of the body of a user, said band being cut according to a predefined width in such a substrate.
  • the substrate 1 comprises a textile layer 3 which may be formed of a knit, a woven or a nonwoven.
  • the textile layer 3 is elastic, which may be particularly advantageous for facilitating the donning by a user of a clothing article 2 comprising at least one piece 4 cut in the substrate 1.
  • a method of making a substrate 1 for holding a clothing article 2 according to the invention in which the textile layer 3 is first conventionally formed by weaving, knitting or knitting techniques is described below. forming a nonwoven.
  • the invention provides for depositing on the inner face of the textile layer 3 a network of points 5 of adhesive material by means of a coating method conventionally used, for example by screen printing or by heliography.
  • the points 5 of adhesive material have an elongated rod shape and a flattened outer surface, so as to improve the coefficient of friction of the network formed by said points, and thus the maintenance of a clothing article 2 comprising a piece 4 cut in the substrate 1 on a part of the body of a user, as well as the comfort of said user.
  • said points 5 may also be arranged in successive rows so as to be shifted from one row to another.
  • the textile layer 3 coated with the network of points 5 can then be placed in an oven at a temperature T1 sufficient to cause the crosslinking of said adhesive material points on the internal face of said layer.
  • the adhering material may be based on elastomeric silicone.
  • the coating of the outer face of the textile layer 3 is carried out by means of a coating method for a screen printing cylinder which conventionally comprises the steps described below.
  • the hot melt product is first dispersed in an aqueous medium, then mixed with a thickening substance so as to obtain a paste of said product, said paste then being sent under pressure in a rotating frame pierced with a network of holes in the form of dots.
  • a dot network 6 of hot melt paste is deposited on the outer face of the textile layer 3, said points having a shape complementary to the shape of the holes in the network of the rotating frame, said network points further having a point arrangement identical to that of said network of holes.
  • a textile layer 3 elastic it may be particularly advantageous to arrange the diameter of the holes of the rotating frame, the number of holes per square centimeter on said frame, and the arrangement of said holes so that the elastic properties initials of said textile layer 3 are preserved after the coating of the fusible product network.
  • the choice of a discontinuous network of points 6 makes it possible to maintain a better feel of the coated textile layer 3 and greater flexibility with respect to a textile layer coated with a continuous film of said heat-sealing product.
  • the textile layer 3 coated with the network of points 6 is then passed into an oven at a temperature T 2 greater than the melting temperature of the hot melt product, said temperature being furthermore sufficient to evaporate the water from said dough points.
  • the temperature T 2 of the oven must be lower than the temperature T 1 , in order not to risk altering the network of points 5 of adhesive material previously deposited on the internal face of the textile layer 3 .
  • the dot network 6 of hot melt product is cooled, for example by passing the textile layer 3 on cylinders fed with ice water, in particular to reduce the contact time between the heated product and the textile layer 3, and thus limit possible damage to the layer that could result.
  • the outer face of the textile layer 3 can be coated by means of a transfer coating method.
  • the dot network 6 of hot melt paste is deposited on a surface of a transfer medium by a coating process per screen cylinder, said support then being passed through an oven at a temperature T 2 to the times greater than the melting temperature of the hot melt and sufficient to evaporate the water points 6 dough of said product.
  • the transfer support carrying the heated network of points 6 is disposed vis-à-vis the outer face of the textile layer 3 so as to put the network in contact with said face.
  • the network of points 6 is cooled on the outer face of the textile layer 3 by passing said layer on cylinders fed with ice water, for the reasons described above.
  • This variant makes it possible to coat the textile layer 3 with a network of hot melt product points 6 without specific heating of said layer, which makes it possible to avoid thermal shock for said layer, and thus the risk of deformation of the dot network. 5 of adhesive material already coated on the inner face of said layer.
  • the substrate 1 thus created can then be cut, so as to manufacture at least one piece 4 from said substrate which is adapted to the shape and / or the position of the region of the article of clothing 2 on which said piece must be laminated.
  • the production of a substrate 1 in large width, in particular between 0.9 m and 2.5 m, then the cutting of said substrate, allows a significant productivity gain relative to the realization of the coating steps.
  • the substrate 1 at least one band 4 which can be laminated to a clothing article 2 for holding said article on a part of the body of a user, said band being cut according to a predefined width in said substrate .
  • a clothing article 2 for example a women's sock, comprising an inner face intended to come into contact with each other. with a body part of a user, for example, in this case, the thigh or the calf of said user.
  • the inner face of the bottom 2 comprises on its upper part, that is to say on an area of said inner face located near the opening 7 of said bottom, a band 4 whose outer face is associated with said inner face by laminating the dot network 6 of hot-melt product (not shown in FIG. figure 2 ).
  • the band 4 is thus associated with the bottom 2 so that the network of points 5 of adhesive material coated on the inner face of said band is arranged facing the top of the thigh or the calf of the user to adhere to the auditory upper thigh or calf.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Details Of Garments (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
  • Socks And Pantyhose (AREA)

Abstract

The substrate (1) has a textile layer (3) with an internal surface that is coated with a set of points (5) of the adhered material, to present the adherence on the body part of a user, where the textile layer is formed of knit fabric , woven material or nonwoven material. The internal surface of the textile layer is coated with another set of points (6) of the thermofusible product. The melting temperature of the thermofusible product is lower than the melting temperature of the adhered material. The former set of points has an elongated stick shape and a smooth external surface. Independent claims are also included for the following: (1) a band associatable by lamination to a clothing article (2) a method for manufacturing a substrate for maintaining a clothing article on a body part of a user.

Description

L'invention concerne un substrat pour le maintien d'un article vestimentaire sur une partie du corps d'un utilisateur, un procédé de fabrication d'un tel substrat, une bande découpée dans un tel substrat, ainsi qu'un article vestimentaire comprenant une telle bande.The invention relates to a substrate for holding a clothing article on a body part of a user, a method of manufacturing such a substrate, a strip cut in such a substrate, and a clothing article comprising a such band.

Elle s'applique typiquement à des substrats textiles élastiques destinés à la réalisation d'articles vestimentaires dits autofixants, tels que des articles de lingerie comme les collants ou bas pour femme, de tels articles pouvant être maintenus sur une partie du corps d'un utilisateur sans aucun support extérieur.It is typically applied to elastic textile substrates for the production of so-called self-fastening clothing articles, such as lingerie articles such as tights or stockings for women, such articles can be held on a part of the body of a user without any external support.

Pour la réalisation de tels articles vestimentaires, il est connu de pourvoir une région d'un tel article, par exemple une zone de la face interne d'un bas située à proximité de l'ouverture dudit bas, d'un réseau de produit adhérant apte à conférer une adhérence de ladite région sur la peau de l'utilisatrice.For the realization of such articles of clothing, it is known to provide a region of such an article, for example an area of the inner face of a bottom located near the opening of said bottom, of a network of adhering product adapted to impart adhesion of said region on the skin of the user.

Pour ce faire, il a été proposé d'enduire directement le réseau de produit adhérant sur la région de l'article vestimentaire destinée à être portée sur la peau de l'utilisatrice.To do this, it has been proposed to directly coat the adhesive product network on the region of the clothing article intended to be worn on the skin of the user.

Par ailleurs, on connaît du document GB-2 305 870 une bande textile utilisée pour la fabrication d'un vêtement, notamment pour être fixée sur la partie supérieure d'un bas, ladite bande étant enduite sur une de ses faces d'un réseau de points de matériau générateur de friction, afin d'assurer le maintien d'un vêtement comprenant une telle bande.Moreover, we know of the document GB-2,305,870 a textile strip used for the manufacture of a garment, in particular to be fixed on the upper part of a stocking, said band being coated on one of its faces with a network of points of friction-generating material, in order to ensure maintaining a garment comprising such a band.

Cependant, un tel substrat est classiquement fixé à un article vestimentaire par couture, ce qui ne donne pas entièrement satisfaction, notamment relativement à sa complexité de mise en oeuvre, ainsi qu'à sa bonne tenue au cours des utilisations et des lavages successifs de l'article vestimentaire.However, such a substrate is conventionally attached to an article of clothing by stitching, which does not give complete satisfaction, especially with regard to its complexity of implementation, as well as its good performance during the successive uses and washes of the fabric. article of clothing.

L'invention vise à perfectionner l'art antérieur en proposant un substrat pour le maintien d'un article vestimentaire dont l'association audit article est particulièrement simple et fiable, sans pour autant nuire à la fonction de maintien dudit substrat.The invention aims to improve the prior art by providing a substrate for maintaining a clothing article whose association with said article is particularly simple and reliable, without impairing the maintenance function of said substrate.

A cet effet, selon un premier aspect, l'invention propose un substrat pour le maintien d'un article vestimentaire sur une partie du corps d'un utilisateur, ledit substrat comprenant une couche textile dont la face interne est enduite d'un réseau de points de matériau adhérant apte à conférer une adhérence sur ladite partie du corps, la face externe de ladite couche étant enduite d'un réseau de points de produit thermofusible.For this purpose, according to a first aspect, the invention provides a substrate for holding a clothing article on a part of the body of a user, said substrate comprising a textile layer whose inner face is coated with a network of points of adhesive material capable of imparting adhesion to said body part, the outer face of said layer being coated with a network of hot melt product points.

Selon un deuxième aspect, l'invention propose un procédé de fabrication d'un tel substrat pour le maintien d'un article vestimentaire, ledit procédé comprenant les étapes successives de :

  • formation de la couche textile ;
  • dépôt sur la face interne de la couche textile d'un réseau de points de matériau adhérant et chauffage dudit réseau à une température T1 ;
  • refroidissement dudit réseau de points de matériau adhérant ;
  • dépôt sur la face externe de la couche textile d'un réseau de points de produit thermofusible et chauffage dudit réseau à une température T2 ;
  • refroidissement dudit réseau de points de produit thermofusible.
According to a second aspect, the invention proposes a method of manufacturing such a substrate for maintaining a clothing article, said method comprising the successive steps of:
  • formation of the textile layer;
  • deposition on the inner face of the textile layer of a network of points of material adhering and heating said network to a temperature T 1 ;
  • cooling said adhering material dot network;
  • depositing on the outer face of the textile layer of a network of hot melt product points and heating said network to a temperature T 2 ;
  • cooling said dot network of hot melt product.

Selon un troisième aspect, l'invention propose une bande associable par contrecollage à un article vestimentaire pour le maintien dudit article sur une partie du corps d'un utilisateur, ladite bande étant découpée suivant une largeur prédéfinie dans un tel substrat.According to a third aspect, the invention proposes an associable band by laminating to a clothing article for maintaining said article on a part of the body of a user, said band being cut according to a predefined width in such a substrate.

Selon un quatrième aspect, l'invention propose un article vestimentaire, notamment un article de lingerie, comprenant une face interne destinée à entrer en contact avec une partie du corps d'un utilisateur, ladite face interne comprenant une telle bande dont la face externe est associée à ladite face interne par contrecollage du réseau de points de produit thermofusible, de sorte que le réseau de points de matériau adhérant enduit sur la face interne de ladite bande soit disposé en regard de ladite partie du corps pour adhérer à ladite partie du corps.According to a fourth aspect, the invention proposes an article of clothing, in particular a lingerie article, comprising an internal face intended to come into contact with a part of the body of a user, said internal face comprising such a band whose outer face is associated with said internal face by laminating the hot melt point network, so that the network of points of adhering material coated on the inner face of said strip is disposed facing said body portion to adhere to said body portion.

D'autres particularités et avantages de l'invention apparaîtront dans la description qui suit, faite en référence aux figures annexées dans lesquelles :

  • la figure 1 est une représentation schématique en coupe d'un substrat textile pour le maintien d'un article vestimentaire selon un mode de réalisation de l'invention ;
  • la figure 2 représente partiellement un article vestimentaire comprenant une bande découpée dans un substrat selon la figure 1.
Other features and advantages of the invention will appear in the description which follows, made with reference to the appended figures in which:
  • the figure 1 is a diagrammatic sectional representation of a textile substrate for holding a clothing article according to an embodiment of the invention;
  • the figure 2 partially represents an article of clothing comprising a band cut in a substrate according to the figure 1 .

En relation avec ces figures, on décrit ci-dessous un substrat 1 pour le maintien d'un article vestimentaire 2 selon l'invention.In connection with these figures, there is described below a substrate 1 for holding a clothing article 2 according to the invention.

Le substrat 1 comprend une couche textile 3 qui peut être formée d'un tricot, d'un tissé ou d'un non tissé. Selon un mode de réalisation préférentiel, la couche textile 3 est élastique, ce qui peut se révéler particulièrement avantageux pour faciliter l'enfilage par une utilisatrice d'un article vestimentaire 2 comprenant au moins une pièce 4 découpée dans le substrat 1.The substrate 1 comprises a textile layer 3 which may be formed of a knit, a woven or a nonwoven. According to a preferred embodiment, the textile layer 3 is elastic, which may be particularly advantageous for facilitating the donning by a user of a clothing article 2 comprising at least one piece 4 cut in the substrate 1.

En particulier, la couche textile 3 peut présenter une élasticité, mesurée sous une force de 15 N, comprise entre 40% et 250% dans au moins une direction. Cette élasticité peut en particulier être mesurée avec un dynamomètre pilotable dans lequel est disposée une éprouvette de la couche textile 3 de dimensions 50 mm x 150 mm, respectivement dans le sens de la mesure et dans le sens perpendiculaire à la mesure. Ensuite, à une vitesse de 500 mm/min, et avec une prétension de 0,3 N, une force de 15 N est appliquée. Ainsi, par la lecture de la courbe d'allongement qui est délivrée par le dynamomètre, on détermine en pourcentage le rapport entre l'allongement induit par la force de 15 N et la dimension initiale.In particular, the textile layer 3 may have an elasticity, measured under a force of 15 N, of between 40% and 250% in at least one direction. This elasticity can in particular be measured with a controllable dynamometer in which is disposed a specimen of the textile layer 3 of dimensions 50 mm × 150 mm, respectively in the sense of measurement and in the direction perpendicular to the measurement. Then, at a speed of 500 mm / min, and with a pretension of 0.3 N, a force of 15 N is applied. Thus, by reading the elongation curve that is delivered by the dynamometer, the ratio between the elongation induced by the force of 15 N and the initial dimension is determined in percentage.

Selon une réalisation, la couche textile 3 est sous la forme d'une nappe tissée ou tricotée qui est formée par association de fils élastiques et de fils non élastiques, la quantité de fils élastiques ainsi que l'armure choisie permettant notamment de moduler l'élasticité de ladite couche dans l'une et l'autre direction principale de la couche textile 3, à savoir chaîne et trame.In one embodiment, the textile layer 3 is in the form of a woven or knitted web which is formed by association of elastic threads and non-threaded yarns. elastic, the amount of elastic threads and the chosen armor allowing in particular to modulate the elasticity of said layer in one and the other main direction of the textile layer 3, namely warp and weft.

En particulier, la couche textile 3 peut comprendre entre 5% et 30% en poids de fils élastiques de type élasthanne ou présentant une élasticité propre analogue. Rappelons que le terme élasthanne est un nom générique normalisé pour les fibres chimiques composées d'au moins 85% d'élastomère constitué pour au moins 85% de sa masse de polyuréthanne segmentaire. Les fibres en élasthanne, qui font partie de la classe des élastofibres, permettent de former des fils à base de matériaux naturels tels que le coton ou à base de matériaux synthétiques tels que le polyamide, le polyester ou le polypropylène.In particular, the textile layer 3 may comprise between 5% and 30% by weight of elastane-type elastic yarns or having a similar self-elasticity. Recall that the term elastane is a standardized generic name for chemical fibers composed of at least 85% elastomer consisting of at least 85% of its mass of segmental polyurethane. Spandex fibers, which are part of the elastofibers class, make it possible to form yarns based on natural materials such as cotton or based on synthetic materials such as polyamide, polyester or polypropylene.

En particulier, la couche textile 3 peut comprendre une alternance de fils élastiques et de fils non élastiques, le titre desdits fils étant du même ordre de grandeur, ce qui permet d'obtenir un aspect et une nervosité adaptés à l'usage vestimentaire, notamment en lingerie, d'un substrat 1 comprenant ladite couche.In particular, the textile layer 3 may comprise an alternation of elastic threads and non-elastic threads, the title of said threads being of the same order of magnitude, which makes it possible to obtain an appearance and a nervousness adapted to the clothing use, in particular in lingerie, a substrate 1 comprising said layer.

On décrit ci-dessous un procédé de réalisation d'un substrat 1 pour le maintien d'un article vestimentaire 2 selon l'invention dans lequel la couche textile 3 est d'abord formée de façon conventionnelle par des techniques de tissage, de tricotage ou de formation d'un non tissé.A method of making a substrate 1 for holding a clothing article 2 according to the invention in which the textile layer 3 is first conventionally formed by weaving, knitting or knitting techniques is described below. forming a nonwoven.

En particulier, l'invention peut prévoir de former une couche textile 3 dont la largeur est comprise entre 0,9 m et 2,5 m.In particular, the invention can provide for forming a textile layer 3 whose width is between 0.9 m and 2.5 m.

Ensuite, l'invention prévoit de déposer sur la face interne de la couche textile 3 un réseau de points 5 de matériau adhérant au moyen d'un procédé d'enduction utilisé conventionnellement, par exemple par sérigraphie ou par héliographie.Then, the invention provides for depositing on the inner face of the textile layer 3 a network of points 5 of adhesive material by means of a coating method conventionally used, for example by screen printing or by heliography.

A cet effet, le matériau adhérant, qui est généralement le résultat du mélange d'un polymère avec un catalyseur, est déposé sous forme d'un réseau de points 5 dudit matériau sur la face interne de la couche textile 3 au moyen d'un procédé d'enduction tel que ceux mentionnés précédemment. Ensuite, le réseau est chauffé à une température T1 supérieure à la température de fusion du matériau adhérant.For this purpose, the adhering material, which is generally the result of mixing a polymer with a catalyst, is deposited in the form of a network of points 5 of said material on the inner face of the textile layer 3 by means of a coating process such as those mentioned above. Then, the network is heated to a temperature T 1 greater than the melting temperature of the adhering material.

Selon un mode de réalisation particulièrement avantageux représenté sur la figure 1, les points 5 de matériau adhérant présentent une forme allongée en bâtonnets et une surface extérieure aplanie, de sorte à améliorer le coefficient de friction du réseau formé par lesdits points, et donc le maintien d'un article vestimentaire 2 comprenant une pièce 4 découpée dans le substrat 1 sur une partie du corps d'un utilisateur, ainsi que le confort dudit utilisateur. Pour améliorer encore l'adhérence du réseau de points 5 à la peau de l'utilisateur, lesdits points 5 peuvent en outre être disposés en rangées successives de façon à être décalés d'une rangée à l'autre.According to a particularly advantageous embodiment represented on the figure 1 the points 5 of adhesive material have an elongated rod shape and a flattened outer surface, so as to improve the coefficient of friction of the network formed by said points, and thus the maintenance of a clothing article 2 comprising a piece 4 cut in the substrate 1 on a part of the body of a user, as well as the comfort of said user. To further improve the adhesion of the dot network 5 to the skin of the user, said points 5 may also be arranged in successive rows so as to be shifted from one row to another.

Par ailleurs, la couche textile 3 enduite du réseau de points 5 peut être ensuite placée dans un four à une température T1 suffisante pour provoquer la réticulation desdits points de matériau adhérant sur la face interne de ladite couche.Moreover, the textile layer 3 coated with the network of points 5 can then be placed in an oven at a temperature T1 sufficient to cause the crosslinking of said adhesive material points on the internal face of said layer.

En particulier, le matériau adhérant peut être à base de silicone élastomérique.In particular, the adhering material may be based on elastomeric silicone.

Ensuite, l'invention prévoit de refroidir le réseau de points 5 de matériau adhérant, par exemple par soufflage d'air ou par passage de la couche textile 3 enduite dudit réseau sur des cylindres alimentés en eau glacée, de sorte à assurer la solidification des points 5 de matériau adhérant de façon plus rapide que par convexion naturelle, notamment pour limiter une possible déformation desdits points qui pourrait résulter d'un temps de refroidissement trop long. En outre, l'usage d'un tel procédé permet de réduire le temps de contact entre le matériau chauffé et la couche textile 3, ce qui limite le possible endommagement de ladite couche qui pourrait en résulter.Next, the invention provides for cooling the network of points 5 of adhering material, for example by blowing air or by passing the textile layer 3 coated with said network on cylinders fed with ice water, so as to ensure the solidification of points 5 of material adhering more rapidly than by natural convection, especially to limit a possible deformation of said points that could result from too long a cooling time. In addition, the use of such a method makes it possible to reduce the contact time between the heated material and the textile layer 3, which limits the possible damage to said layer that could result.

Une fois la face interne enduite, l'invention prévoit de déposer sur la face externe de la couche textile 3 un réseau de points 6 de produit thermofusible au moyen d'un procédé d'enduction tel que ceux mentionnés précédemment pour l'enduction du réseau de points 5 de matériau adhérant.Once the inner face is coated, the invention provides for depositing on the outer face of the textile layer 3 a dot network 6 of hot-melt product by means of a coating process such as those mentioned above for the coating of the network. of points 5 of adhering material.

A cet effet, on peut prévoir d'utiliser un produit thermofusible dont la température de fusion est inférieure à la température de fusion du matériau adhérant enduit sur la face interne de la couche textile 3, de sorte à éviter toute déformation du réseau de points 5 dudit matériau adhérant lors d'une association ultérieure par contrecollage d'une pièce 4 découpée dans le substrat 1 à un article vestimentaire 2.For this purpose, provision may be made to use a hot-melt product whose melting temperature is lower than the melting temperature of the adhesive material coated on the inner face of the textile layer 3, so as to avoid any deformation of the network of points 5 said adhering material in a subsequent association by laminating a piece 4 cut in the substrate 1 to a clothing article 2.

En particulier, le produit thermofusible peut être à base de polymère ou copolymère de polyamide, polyester, polyéthylène, polyuréthane, polyoléfine. Le produit thermofusible peut également être prévu en dispersion aqueuse et/ou alcoolique et/ou autre solvant polaire, et se présenter à température ambiante sous la forme d'une pâte.In particular, the hot-melt product may be based on a polymer or copolymer of polyamide, polyester, polyethylene, polyurethane or polyolefin. The hot-melt product may also be provided in aqueous dispersion and / or alcohol and / or other polar solvent, and be at room temperature in the form of a paste.

Selon un mode de réalisation avantageux, l'enduction de la face externe de la couche textile 3 est réalisée au moyen d'un procédé d'enduction par cylindre d'impression sérigraphique qui comprend classiquement les étapes décrites ci-dessous.According to an advantageous embodiment, the coating of the outer face of the textile layer 3 is carried out by means of a coating method for a screen printing cylinder which conventionally comprises the steps described below.

Le produit thermofusible est d'abord dispersé en milieu aqueux, puis mélangé avec une substance épaississante de sorte à obtenir une pâte dudit produit, ladite pâte étant ensuite envoyée sous pression dans un cadre rotatif percé d'un réseau de trous en forme de points.The hot melt product is first dispersed in an aqueous medium, then mixed with a thickening substance so as to obtain a paste of said product, said paste then being sent under pressure in a rotating frame pierced with a network of holes in the form of dots.

Ainsi, un réseau de points 6 de pâte de produit thermofusible est déposé sur la face externe de la couche textile 3, lesdits points présentant une forme complémentaire de la forme des trous du réseau du cadre rotatif, ledit réseau de points présentant en outre une disposition de points identique à celle dudit réseau de trous.Thus, a dot network 6 of hot melt paste is deposited on the outer face of the textile layer 3, said points having a shape complementary to the shape of the holes in the network of the rotating frame, said network points further having a point arrangement identical to that of said network of holes.

Dans le cas d'une couche textile 3 élastique, il peut être particulièrement avantageux d'agencer le diamètre des trous du cadre rotatif, le nombre de trous au centimètre carré sur ledit cadre, ainsi que la disposition desdits trous de sorte que les propriétés élastiques initiales de ladite couche textile 3 soient conservées après l'enduction du réseau de produit thermocollant. En outre, le choix d'un réseau discontinu de points 6 permet de conserver un meilleur toucher de la couche textile 3 enduite et une plus grande souplesse par rapport à une couche textile enduite d'un film continu dudit produit thermocollant.In the case of a textile layer 3 elastic, it may be particularly advantageous to arrange the diameter of the holes of the rotating frame, the number of holes per square centimeter on said frame, and the arrangement of said holes so that the elastic properties initials of said textile layer 3 are preserved after the coating of the fusible product network. In addition, the choice of a discontinuous network of points 6 makes it possible to maintain a better feel of the coated textile layer 3 and greater flexibility with respect to a textile layer coated with a continuous film of said heat-sealing product.

La couche textile 3 enduite du réseau de points 6 est ensuite passée dans un four à une température T2 supérieure à la température de fusion du produit thermofusible, ladite température étant en outre suffisante pour évaporer l'eau desdits points de pâte. De plus, dans ce mode de réalisation, la température T2 du four doit être inférieure à la température T1, pour ne pas risquer d'altérer le réseau de points 5 de matériau adhérant préalablement déposé sur la face interne de la couche textile 3.The textile layer 3 coated with the network of points 6 is then passed into an oven at a temperature T 2 greater than the melting temperature of the hot melt product, said temperature being furthermore sufficient to evaporate the water from said dough points. In addition, in this embodiment, the temperature T 2 of the oven must be lower than the temperature T 1 , in order not to risk altering the network of points 5 of adhesive material previously deposited on the internal face of the textile layer 3 .

Enfin, le réseau de points 6 de produit thermofusible est refroidi, par exemple par passage de la couche textile 3 sur des cylindres alimentés en eau glacée, notamment pour réduire le temps de contact entre le produit chauffé et la couche textile 3, et ainsi limiter le possible endommagement de ladite couche qui pourrait en résulter.Finally, the dot network 6 of hot melt product is cooled, for example by passing the textile layer 3 on cylinders fed with ice water, in particular to reduce the contact time between the heated product and the textile layer 3, and thus limit possible damage to the layer that could result.

Selon une autre réalisation, la face externe de la couche textile 3 peut être enduite au moyen d'un procédé d'enduction par transfert. Dans ce cas, le réseau de points 6 de pâte de produit thermofusible est déposé sur une surface d'un support de transfert par un procédé d'enduction par cylindre sérigraphique, ledit support étant ensuite passé dans un four à une température T2 à la fois supérieure à la température de fusion du produit thermofusible et suffisante pour évaporer l'eau des points 6 de pâte dudit produit.In another embodiment, the outer face of the textile layer 3 can be coated by means of a transfer coating method. In this case, the dot network 6 of hot melt paste is deposited on a surface of a transfer medium by a coating process per screen cylinder, said support then being passed through an oven at a temperature T 2 to the times greater than the melting temperature of the hot melt and sufficient to evaporate the water points 6 dough of said product.

Ensuite, le support de transfert portant le réseau chauffé de points 6 est disposé en vis-à-vis de la face externe de la couche textile 3 de sorte à mettre le réseau en contact avec ladite face. Ainsi, en ajustant les affinités respectives du support de transfert et de la couche textile 3, il est possible de permettre le transfert du réseau de points 6 depuis le support de transfert sur la face externe de ladite couche textile.Then, the transfer support carrying the heated network of points 6 is disposed vis-à-vis the outer face of the textile layer 3 so as to put the network in contact with said face. Thus, by adjusting the respective affinities of the transfer medium and the textile layer 3, it is possible to allow the transfer of the network of points 6 from the transfer medium to the outer face of said textile layer.

Enfin, le réseau de points 6 est refroidi sur la face externe de la couche textile 3 par passage de ladite couche sur des cylindres alimentés en eau glacée, pour les raisons décrites précédemment.Finally, the network of points 6 is cooled on the outer face of the textile layer 3 by passing said layer on cylinders fed with ice water, for the reasons described above.

Cette variante permet une enduction de la couche textile 3 d'un réseau de points 6 de produit thermofusible sans chauffage spécifique de ladite couche, ce qui permet d'éviter à ladite couche un choc thermique, et ainsi le risque de déformation du réseau de points 5 de matériau adhérant déjà enduit sur la face interne de ladite couche.This variant makes it possible to coat the textile layer 3 with a network of hot melt product points 6 without specific heating of said layer, which makes it possible to avoid thermal shock for said layer, and thus the risk of deformation of the dot network. 5 of adhesive material already coated on the inner face of said layer.

Le substrat 1 ainsi créé peut ensuite être découpé, de sorte à fabriquer au moins une pièce 4 à partir dudit substrat qui soit adaptée à la forme et/ou à la position de la région de l'article vestimentaire 2 sur laquelle ladite pièce doit être contrecollée. La réalisation d'un substrat 1 en grande largeur, notamment comprise entre 0,9 m et 2,5 m, puis la découpe dudit substrat, permet un gain de productivité notable relativement à la réalisation des étapes d'enduction.The substrate 1 thus created can then be cut, so as to manufacture at least one piece 4 from said substrate which is adapted to the shape and / or the position of the region of the article of clothing 2 on which said piece must be laminated. The production of a substrate 1 in large width, in particular between 0.9 m and 2.5 m, then the cutting of said substrate, allows a significant productivity gain relative to the realization of the coating steps.

En particulier, on peut obtenir à partir du substrat 1 au moins une bande 4 associable par contrecollage à un article vestimentaire 2 pour le maintien dudit article sur une partie du corps d'un utilisateur, ladite bande étant découpée suivant une largeur prédéfinie dans ledit substrat.In particular, it is possible to obtain from the substrate 1 at least one band 4 which can be laminated to a clothing article 2 for holding said article on a part of the body of a user, said band being cut according to a predefined width in said substrate .

En relation avec la figure 2, on décrit un article vestimentaire 2, par exemple un bas pour femme, comprenant une face interne destinée à entrer en contact avec une partie du corps d'une utilisatrice, par exemple, dans le cas présent, la cuisse ou le mollet de ladite utilisatrice.In relation to the figure 2 there is described a clothing article 2, for example a women's sock, comprising an inner face intended to come into contact with each other. with a body part of a user, for example, in this case, the thigh or the calf of said user.

La face interne du bas 2 comprend sur sa partie haute, c'est-à-dire sur une zone de ladite face interne située à proximité de l'ouverture 7 dudit bas, une bande 4 dont la face externe est associée à ladite face interne par contrecollage du réseau de points 6 de produit thermofusible (non représenté sur la figure 2).The inner face of the bottom 2 comprises on its upper part, that is to say on an area of said inner face located near the opening 7 of said bottom, a band 4 whose outer face is associated with said inner face by laminating the dot network 6 of hot-melt product (not shown in FIG. figure 2 ).

En outre, la bande 4 est ainsi associée au bas 2 de sorte que le réseau de points 5 de matériau adhérant enduit sur la face interne de ladite bande soit disposé en regard du haut de la cuisse ou du mollet de l'utilisatrice pour adhérer audit haut de cuisse ou de mollet.In addition, the band 4 is thus associated with the bottom 2 so that the network of points 5 of adhesive material coated on the inner face of said band is arranged facing the top of the thigh or the calf of the user to adhere to the auditory upper thigh or calf.

Claims (12)

Substrat (1) pour le maintien d'un article vestimentaire (2) sur une partie du corps d'un utilisateur, ledit substrat comprenant une couche textile (3) dont la face interne est enduite d'un réseau de points (5) de matériau adhérant apte à conférer une adhérence sur ladite partie du corps, la face externe de ladite couche étant enduite d'un réseau de points (6) de produit thermofusible.Substrate (1) for holding a clothing article (2) on a body part of a user, said substrate comprising a textile layer (3) whose inner face is coated with a network of dots (5) of adhering material adapted to impart adhesion on said body part, the outer face of said layer being coated with a dot network (6) of hot melt. Substrat (1) selon la revendication 1, caractérisé en ce que la température de fusion du produit thermofusible est inférieure à la température de fusion du matériau adhérant.Substrate (1) according to claim 1, characterized in that the melting temperature of the hot melt product is lower than the melting temperature of the adhesive material. Substrat (1) selon la revendication 1 ou 2, caractérisé en ce que les points (5) de matériau adhérant présentent une forme allongée en bâtonnets et une surface extérieure aplanie.Substrate (1) according to claim 1 or 2, characterized in that the points (5) of adhesive material have an elongated rod shape and a flattened outer surface. Substrat (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le matériau adhérant est à base de silicone élastomérique.Substrate (1) according to any one of Claims 1 to 3, characterized in that the adhering material is based on elastomeric silicone. Substrat (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le produit thermofusible est à base de polymère ou copolymère de polyamide, polyester, polyéthylène, polyuréthane, polyoléfine.Substrate (1) according to any one of claims 1 to 4, characterized in that the hot melt product is based on a polymer or copolymer of polyamide, polyester, polyethylene, polyurethane, polyolefin. Substrat (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la largeur de la couche textile (3) est comprise entre 0,9 m et 2,5 m.Substrate (1) according to any one of claims 1 to 5, characterized in that the width of the textile layer (3) is between 0.9 m and 2.5 m. Substrat (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la couche textile (3) est formée d'un tricot, d'un tissé ou d'un non tissé.Substrate (1) according to any one of claims 1 to 6, characterized in that the textile layer (3) is formed of a knit, a woven or a nonwoven. Substrat (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la couche textile (3) présente une élasticité, mesurée sous une force de 15 N, comprise entre 40% et 250% dans au moins une direction.Substrate (1) according to any one of claims 1 to 7, characterized in that the textile layer (3) has an elasticity, measured under a force of 15 N, of between 40% and 250% in at least one direction. Substrat (1) selon la revendication 8, caractérisée en ce que la couche textile (3) comprend entre 5% et 30% en poids de fils élastiques de type élasthanne ou présentant une élasticité propre analogue.Substrate (1) according to claim 8, characterized in that the textile layer (3) comprises between 5% and 30% by weight of elastane-type elastic yarns or having a similar self-elasticity. Procédé de fabrication d'un substrat (1) pour le maintien d'un article vestimentaire (2) selon l'une quelconque des revendications 1 à 9, ledit procédé comprenant les étapes successives de : - formation de la couche textile (3) ; - dépôt sur la face interne de la couche textile (3) d'un réseau de points (5) de matériau adhérant et chauffage dudit réseau à une température T1 ; - refroidissement dudit réseau de points (5) de matériau adhérant ; - dépôt sur la face externe de la couche textile (3) d'un réseau de points (6) de produit thermofusible et chauffage dudit réseau à une température T2 ; - refroidissement dudit réseau de points (6) de produit thermofusible. A method of manufacturing a substrate (1) for holding a clothing article (2) according to any one of claims 1 to 9, said method comprising the successive steps of: - formation of the textile layer (3); depositing on the inner face of the textile layer (3) an array of points (5) of material adhering and heating said network to a temperature T 1 ; cooling said network of points (5) of adhering material; - Depositing on the outer face of the textile layer (3) of a network of points (6) of hot melt and heating said network at a temperature T 2 ; - Cooling said dot network (6) of hot melt product. Bande (4) associable par contrecollage à un article vestimentaire (2) pour le maintien dudit article sur une partie du corps d'un utilisateur, ladite bande étant découpée suivant une largeur prédéfinie dans un substrat (1) selon l'une quelconque des revendications 1 à 9.Band (4) associable by laminating to a clothing article (2) for holding said article on a part of the body of a user, said band being cut according to a predefined width in a substrate (1) according to any one of the claims 1 to 9. Article vestimentaire (2), notamment un article de lingerie, comprenant une face interne destinée à entrer en contact avec une partie du corps d'un utilisateur, ladite face interne comprenant une bande (4) selon la revendication 11 dont la face externe est associée à ladite face interne par contrecollage du réseau de points (6) de produit thermofusible, de sorte que le réseau de points (5) de matériau adhérant enduit sur la face interne de ladite bande soit disposé en regard de ladite partie du corps pour adhérer à ladite partie du corps.Article of clothing (2), in particular a lingerie article, comprising an internal face intended to come into contact with a part of the body of a user, said internal face comprising a band (4) according to claim 11, the external face of which is associated to said inner face by laminating the dot network (6) of hot melt product, so that the network of points (5) of adhesive material coated on the inner face of said strip is disposed facing said body part to adhere to said body part.
EP20100290656 2009-12-18 2010-12-14 Substrate for holding a clothing garment on a body part of a user Not-in-force EP2335504B1 (en)

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FR0906190A FR2954046B1 (en) 2009-12-18 2009-12-18 SUBSTRATE FOR MAINTAINING A DRESSING ARTICLE ON A PART OF A USER'S BODY

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WO2015008006A1 (en) * 2013-07-19 2015-01-22 Dbapparel Operations Textile lingerie item with improved hold
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EP2335504A3 (en) 2011-12-07
MA32757B1 (en) 2011-11-01
FR2954046A1 (en) 2011-06-24
EP2335504B1 (en) 2013-04-03
FR2954046B1 (en) 2014-08-22

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