EP0777006B2 - Layered product comprising a warp- or weft knitted terry fabric glued to a support web and method for its manufacture - Google Patents

Layered product comprising a warp- or weft knitted terry fabric glued to a support web and method for its manufacture Download PDF

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Publication number
EP0777006B2
EP0777006B2 EP96402572A EP96402572A EP0777006B2 EP 0777006 B2 EP0777006 B2 EP 0777006B2 EP 96402572 A EP96402572 A EP 96402572A EP 96402572 A EP96402572 A EP 96402572A EP 0777006 B2 EP0777006 B2 EP 0777006B2
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EP
European Patent Office
Prior art keywords
warp
loop
loops
support
weft
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Expired - Lifetime
Application number
EP96402572A
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German (de)
French (fr)
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EP0777006A1 (en
EP0777006B1 (en
Inventor
Jean-Philippe Billarant
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.)
Aplix SA
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Aplix SA
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Application filed by Aplix SA filed Critical Aplix SA
Priority to DE69619771T priority Critical patent/DE69619771T3/en
Priority to EP01201567A priority patent/EP1148163B2/en
Publication of EP0777006A1 publication Critical patent/EP0777006A1/en
Application granted granted Critical
Publication of EP0777006B1 publication Critical patent/EP0777006B1/en
Publication of EP0777006B2 publication Critical patent/EP0777006B2/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/02—Pile fabrics or articles having similar surface features
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • A44B18/0023—Woven or knitted fasteners
    • A44B18/0034—Female or loop elements
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/01—Surface features
    • D10B2403/011—Dissimilar front and back faces
    • D10B2403/0112—One smooth surface, e.g. laminated or coated
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/06—Details of garments
    • D10B2501/063—Fasteners
    • D10B2501/0632—Fasteners of the touch-and-close type
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23907—Pile or nap type surface or component
    • Y10T428/23914—Interlaminar
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23907—Pile or nap type surface or component
    • Y10T428/23957—Particular shape or structure of pile
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
    • Y10T428/24017—Hook or barb

Definitions

  • the present invention relates to a laminated assembly which consists, on the one hand, of a knitted warp or weft fabric, which comprises knitted loose loops and, on the other hand, by a support, for example a flexible, reinforcing support on which knitted fabric is glued.
  • the invention applies in particular to such an assembly which is used for making the female part of a so-called hook-and-loop closure, the loops of which are intended to cooperate, in a separable fastening connection, with elements complementary males, for example hooks, filiform elements with bulging heads or the like, etc.
  • Such female parts are known for example from the document FR-A-2632830 .
  • This support may be an intermediate support, the laminated assembly is then attached to an article, or it may be the article itself.
  • the object of the invention is to remedy this drawback and, for this purpose, according to a first aspect, it aims at a laminated assembly according to claim 1.
  • each loop has at least one strand which, at a distance from its associated foot, is supported by at least one other warp and / or weft thread so that, in this area of overlap, the loop does not adhere to the support, which retains its capacity or self-gripping properties.
  • the loops are oblique with respect to the general direction of the warp and / or weft threads.
  • the feet of the same loop may be located on the same chain, or on the contrary on different chain son, for example adjacent.
  • the feet of the same loop are on weft son that are adjacent or not.
  • the invention is directed to a method for manufacturing the above laminated assembly, which is characterized in that it comprises, as specified in claim 8: knitting said fabric so that its loops have said size relative to the pitch of the warp and / or weft threads and with respect to the foot of another loop; applying an adhesive to said support; and bringing said fabric and said support into contact with a view to their joining by gluing.
  • the knitted fabric 1 is of the warp knitting or weft knitting type, and it comprises, on the one hand, parallel warp yarns 2 (also called mesh stitches) interwoven with weft threads 3 (also called stitch rows), also parallel, and, secondly, knitted loops 4, each of the two feet 5, located at the intersection of two warp and weft son, cooperates with the warp and weft son.
  • the two strands 6 of each loop 4 start from the feet 5 and meet, at a distance from them, to form the top 7 of the loop.
  • the warp 2 and weft 3 threads form a structure knitted very light, very open, mechanically very fragile and dimensionally unstable, as indicated above.
  • the loops 4 are of such a size, with respect to the pitch of the warp threads 2 and / or the weft threads 3, that, considering the loops flat against the warp 2 and weft threads 3 at least one of the two strands 6 of each loop intersects or overlaps at least one catenary and / or weft thread, at a distance from the foot 5 associated with this strand.
  • the loops 4 are directed obliquely with respect to the general direction of the warp threads and the weft threads, and the two feet 5 of the same loop 4 are situated, on the one hand, on the same warp thread 2 and on the other hand, on two adjacent weft threads 3.
  • different arrangements could be adopted as to the orientation of the loops 4 and / or the implantation of the feet 5; for example, the legs of the same loop 4 could be located on different chainstays son, for example adjacent, and non-adjacent weft son 3.
  • one of the strands 6, from the associated foot 5 passes on one of the strands 6 of the next loop 4, then on the chain 2 next to the one that carries the feet 5 of his loop, and he joins the vertex 7 which overlaps the laterally adjacent loops 4, at a very short distance from the common foot 5 thereof; the other strand 6, from the vertex 7, overlaps the same warp thread 2 as the first strand 6 of this same loop, it passes under one of the strands 6 of the previous loop 4, and it joins the second foot 5.
  • a loop 4 overlaps twice the same warp thread 2 by its strands 6, and its top 7 overlaps the two laterally adjacent loops, in the immediate vicinity of their common foot 5.
  • the loops 4 move away from the plane formed by the warp threads 2 and the weft threads 3 from their feet 5.
  • the fabric 1 which has a low dimensional stability and a low mechanical strength, is intended to be laminated on a support 8 of reinforcement, of any suitable nature, for example plastic.
  • This support can be flexible, rigid or semi-rigid and, as indicated above, it can be either an intermediate support intended to be subsequently fixed on an article, or this article itself.
  • a film of adhesive 9 intended to cooperate essentially with the son of chain 2, the weft son 3 and the part of the feet 5 loops which is located on the side of the underside or back of the fabric 1.
  • the fabric 1 is as a whole pressed against the support 8, with the interposition of the adhesive 9, and, during this operation, the warp yarns , the weft threads and the bottom of the feet 5 cooperate closely with the adhesive 9, while the strands 6 of the loops are only partially glued on the support 8 and that, in any case, the vertices 7 of the loops are preserved by a bonding because they are each protected by a foot 5.
  • the loops 4 may have, at their feet 5 and the side of the support 8, small counter-loops 14 intended to cooperate with the adhesive 9 to increase the contact area between the fabric 1 and the support 8. This also strengthens the fixing of the loop legs 5 on the son 2, 3 and the support 8 and, therefore, also the structure of the loops.
  • the loops 4 are partially and locally bonded to the support 8, their tops 7 remain unobstructed and, in operation, they can cooperate freely with the male complementary elements of attachment, which keeps the loops 4 all their auto properties -agrippantes. Moreover, during the first separation of the two elements constituting the separable closure, the loops 4 are pulled by the male fastening elements, which causes, by peeling effect, the separation of the strands 6, locally bonded to the support 8, with this one.
  • This exemplary device is usable in the case of a support 8 which is flexible and which is an intermediate strip or sheet, the laminated assembly then being fixed on an article by any appropriate means.
  • This device comprises two driven pressure rollers 10 and 11 which assemble the fabric 1 and the flexible support 8.
  • the fabric 1 is brought first to pass over the roll 10, which then receives, on top of the fabric 1, the support 8. Upstream of the roll 10, the support 8 passes under a device 12 for applying or removing the adhesive 9 on the face of the support 8 which is turned towards the fabric 1.
  • the loops 4 are located on the face of the fabric 1 which is remote from the support 8, that is to say opposite to it.
  • the fabric 1 and the support 8, superimposed on the roll 10 then pass together in the clamping zone between the two rollers to obtain the bonding, and the laminated assembly 13 is extracted by any appropriate means, for example by means of call rollers.
  • this bonding face 15 may be coated with a permanent adhesive and, for allow the laminated assembly to wind on itself in reel before this bonding, or this adhesive receives a temporary protective film, or the loops 4 undergo, for example by coating, a treatment antiadhesion.

Description

La présente invention est relative à un ensemble stratifié qui est constitué, d'une part, par un tissu tricoté chaîne ou trame, qui comporte des boucles libres tricotées et, d'autre part, par un support, par exemple souple, de renforcement sur lequel ce tissu tricoté est collé.The present invention relates to a laminated assembly which consists, on the one hand, of a knitted warp or weft fabric, which comprises knitted loose loops and, on the other hand, by a support, for example a flexible, reinforcing support on which knitted fabric is glued.

L'invention s'applique en particulier à un tel ensemble qui est utilisé pour la confection de la partie femelle d'une fermeture dite auto-agrippante, dont les boucles sont destinées à coopérer, dans une liaison séparable d'accrochage, avec des éléments mâles complémentaires, par exemple des crochets, des éléments filiformes à tête renflée ou analogues, etc. De telles parties femelles sont connues par exemple par le document FR-A-2.632.830 .The invention applies in particular to such an assembly which is used for making the female part of a so-called hook-and-loop closure, the loops of which are intended to cooperate, in a separable fastening connection, with elements complementary males, for example hooks, filiform elements with bulging heads or the like, etc. Such female parts are known for example from the document FR-A-2632830 .

Pour des raisons de prix de revient, on est amené à fabriquer un tissu tricoté dont le fond ou base est léger et très ouvert, et donc d'une structure mécaniquement fragile et dimensionnellement instable, sans pour autant sacrifier la qualité des boucles qui constituent l'élément actif primordial de la partie femelle de la fermeture auto-agrippante. Cette fragilité et cette instabilité du fond du tissu induisent des difficultés de mise en oeuvre, c'est-à-dire d'utilisation, de ce tissu en raison des sollicitations d'arrachement relativement importantes auxquelles le fond est soumis et qui proviennent de l'action des éléments mâles d'accrochage sur les boucles.For reasons of cost, it is necessary to manufacture a knitted fabric whose bottom or base is light and very open, and therefore of a mechanically fragile and dimensionally unstable structure, without sacrificing the quality of the loops that constitute the primordial active element of the female part of the hook-and-loop closure. This fragility and this instability of the bottom of the fabric induce difficulties of implementation, that is to say of use, of this fabric because of the relatively high tearing stresses to which the bottom is subjected and which come from the action of the male fastening elements on the loops.

On est donc conduit à renforcer le tissu en le contrecollant par son fond sur un support plus résistant, par exemple souple. Ce support peut être un support intermédiaire, l'ensemble stratifié étant ensuite fixé sur un article, ou bien il peut être l'article lui-même.It is therefore necessary to strengthen the fabric by laminating it by its bottom on a more resistant support, for example flexible. This support may be an intermediate support, the laminated assembly is then attached to an article, or it may be the article itself.

Toutefois, on rencontre des difficultés, lors de la fabrication d'un tel ensemble stratifié, car les boucles ont tendance à se coller également sur le support à travers le fond, conjointement avec les fils de chaînette (également dénommés colonnes de mailles), les fils de trame (également dénommés rangées de mailles) et les pieds des boucles, ce qui détruit leur pouvoir auto-agrippant du fait que leur sommet est fermement plaqué contre le support et ne peut donc pas coopérer, dans la liaison d'accrochage voulue, avec les éléments mâles.However, there are difficulties in the manufacture of such a laminated assembly, because the loops tend to stick to the support also through the bottom, together with the chain son (also called mesh columns), the weft threads (also called stitch rows) and the feet of the loops, which destroys their self-gripping power because their top is firmly pressed against the support and therefore can not cooperate, in the desired fastening link, with the male elements.

On connaît des ensembles de ce genre par exemple de US-A-4 624 116 . Ce document décrit un ensemble stratifié selon le préambule de la revendication 1.Sets of this kind are known, for example from US-A-4,624,116 . This document describes a laminated assembly according to the preamble of claim 1.

L'invention a pour but de remédier à cet inconvénient et, à cet effet, suivant un premier aspect, elle vise un ensemble stratifié suivant la revendication 1.The object of the invention is to remedy this drawback and, for this purpose, according to a first aspect, it aims at a laminated assembly according to claim 1.

Ainsi, dans l'ensemble stratifié selon l'invention, chaque boucle présente au moins un brin qui, à distance de son pied associé, vient s'appuyer sur au moins un autre fil de chaînette et/ou de trame de sorte que, dans cette zone de chevauchement, la boucle n'adhère pas au support, ce qui lui conserve sa capacité ou ses propriétés auto-agrippantes.Thus, in the laminated assembly according to the invention, each loop has at least one strand which, at a distance from its associated foot, is supported by at least one other warp and / or weft thread so that, in this area of overlap, the loop does not adhere to the support, which retains its capacity or self-gripping properties.

Il en est de même pour les deux brins de chaque boucle et, encore, pour le sommet de chaque boucle qui est situé au voisinage du pied commun de deux autres boucles, en chevauchant ainsi ce dernier et les deux brins de boucles partant de celui-ci.It is the same for the two strands of each loop and, again, for the top of each loop which is located in the vicinity of the common foot of two other loops, thus overlapping the latter and the two strands of loops starting from this one. this.

Suivant une caractéristique avantageuse, les boucles sont obliques par rapport à la direction générale des fils de chaînette et/ou de trame.According to an advantageous characteristic, the loops are oblique with respect to the general direction of the warp and / or weft threads.

Par exemple, les pieds d'une même boucle peuvent être situés sur un même fil de chaînette, ou au contraire sur des fils de chaînette différents, par exemple adjacents.For example, the feet of the same loop may be located on the same chain, or on the contrary on different chain son, for example adjacent.

Par exemple encore, les pieds d'une même boucle sont sur des fils de trame qui sont adjacents ou non.For example still, the feet of the same loop are on weft son that are adjacent or not.

Suivant un second aspect, l'invention vise un procédé pour la fabrication de l'ensemble stratifié ci-dessus, qui est caractérisé en ce qu'il consiste, comme spécifié dans la revendication 8 : à tricoter ledit tissu pour que ses boucles aient ladite taille par rapport au pas des fils de chaînette et/ou de trame et par rapport au pied d'une autre boucle ; à appliquer un adhésif sur ledit support ; et à amener en contact ledit tissu et ledit support en vue de leur solidarisation par collage.According to a second aspect, the invention is directed to a method for manufacturing the above laminated assembly, which is characterized in that it comprises, as specified in claim 8: knitting said fabric so that its loops have said size relative to the pitch of the warp and / or weft threads and with respect to the foot of another loop; applying an adhesive to said support; and bringing said fabric and said support into contact with a view to their joining by gluing.

On comprendra bien l'invention à la lecture du complément de description qui va suivre et en référence au dessin annexé qui fait partie de la description et dans lequel :

  • Fig. 1 est une vue schématique en plan montrant un mode de tricotage préféré pour la confection du tissu de l'ensemble selon l'invention ;
  • Fig. 2 est une coupe transversale schématique éclatée de l'ensemble selon l'invention comportant le tissu de la Fig. 1 ; et
  • Fig. 3 montre schématiquement un exemple de dispositif pour la réalisation du contrecollage, dans la phase finale du procédé selon l'invention.
The invention will be clearly understood on reading the additional description which will follow and with reference to the appended drawing which forms part of the description and in which:
  • Fig. 1 is a schematic plan view showing a preferred knitting mode for making the fabric of the assembly according to the invention;
  • Fig. 2 is an exploded schematic cross-section of the assembly according to the invention comprising the fabric of the Fig. 1 ; and
  • Fig. 3 shows schematically an example of a device for carrying out laminating, in the final phase of the method according to the invention.

On a schématiquement représenté en plan sur la Fig. 1 un tissu tricoté 1 à boucles, constituant l'un des deux éléments de l'ensemble stratifié selon un mode de réalisation préféré de l'invention.We schematically represented in plan on the Fig. 1 a knitted fabric 1 with loops constituting one of the two elements of the laminated assembly according to a preferred embodiment of the invention.

Le tissu tricoté 1 est du type tricotage chaîne ou tricotage trame, et il comporte, d'une part, des fils de chaînette 2 (également dénommés colonnes de mailles) parallèles entrelacés avec des fils de trame 3 (également dénommés rangées de mailles), également parallèles, et, d'autre part, des boucles libres tricotées 4 dont chacun des deux pieds 5, situé à l'intersection de deux fils de chaînette et de trame, coopère avec les fils de chaînette et de trame. Les deux brins 6 de chaque boucle 4 partent des pieds 5 et se rejoignent, à distance de ceux-ci, pour former le sommet 7 de la boucle. Les fils de chaînette 2 et de trame 3 forment une structure tricotée très légère, très ouverte, mécaniquement très fragile et dimensionnellement instable, comme indiqué ci-dessus.The knitted fabric 1 is of the warp knitting or weft knitting type, and it comprises, on the one hand, parallel warp yarns 2 (also called mesh stitches) interwoven with weft threads 3 (also called stitch rows), also parallel, and, secondly, knitted loops 4, each of the two feet 5, located at the intersection of two warp and weft son, cooperates with the warp and weft son. The two strands 6 of each loop 4 start from the feet 5 and meet, at a distance from them, to form the top 7 of the loop. The warp 2 and weft 3 threads form a structure knitted very light, very open, mechanically very fragile and dimensionally unstable, as indicated above.

Conformément à l'invention, les boucles 4 ont une taille telle, par rapport au pas des fils de chaînette 2 et/ou des fils de trame 3, que, en considérant les boucles à plat contre les fils de chaînette 2 et de trame 3, au moins l'un des deux brins 6 de chaque boucle intersecte ou chevauche au moins un fil de chaînette et/ou de trame, à distance du pied 5 associé à ce brin.According to the invention, the loops 4 are of such a size, with respect to the pitch of the warp threads 2 and / or the weft threads 3, that, considering the loops flat against the warp 2 and weft threads 3 at least one of the two strands 6 of each loop intersects or overlaps at least one catenary and / or weft thread, at a distance from the foot 5 associated with this strand.

Dans le mode de réalisation représenté sur la Fig. 1, les boucles 4 sont dirigées obliquement par rapport à la direction générale des fils de chaînette et des fils de trame, et les deux pieds 5 d'une même boucle 4 sont situés, d'une part, sur un même fil de chaînette 2 et, d'autre part, sur deux fils de trame adjacents 3. Toutefois, on pourrait adopter des agencements différents quant à l'orientation des boucles 4 et/ou à l'implantation des pieds 5 ; par exemple, les pieds d'une même boucle 4 pourraient être situés sur des fils de chaînette différents, par exemple adjacents, et sur des fils de trame 3 non adjacents.In the embodiment shown on the Fig. 1 the loops 4 are directed obliquely with respect to the general direction of the warp threads and the weft threads, and the two feet 5 of the same loop 4 are situated, on the one hand, on the same warp thread 2 and on the other hand, on two adjacent weft threads 3. However, different arrangements could be adopted as to the orientation of the loops 4 and / or the implantation of the feet 5; for example, the legs of the same loop 4 could be located on different chainstays son, for example adjacent, and non-adjacent weft son 3.

Dans le mode de réalisation préféré représenté sur la Fig. 1, l'un des brins 6, à partir du pied associé 5, passe sur l'un des brins 6 de la boucle suivante 4, puis sur le fil de chaînette 2 adjacent à celui qui porte les pieds 5 de sa boucle, et il rejoint le sommet 7 qui chevauche les boucles latéralement adjacentes 4, à très faible distance du pied commun 5 de celles-ci ; l'autre brin 6, à partir du sommet 7, vient chevaucher le même fil de chaînette 2 que le premier brin 6 de cette même boucle, il passe sous l'un des brins 6 de la boucle précédente 4, et il rejoint le second pied 5. Ainsi, une boucle 4 chevauche deux fois le même fil de chaînette 2 par ses brins 6, et son sommet 7 chevauche les deux boucles latéralement adjacentes, à proximité immédiate de leur pied commun 5. Au surplus, comme montré sur la Fig. 2, les boucles 4 s'éloignent du plan formé par les fils de chaînette 2 et les fils de trame 3 dès leurs pieds 5.In the preferred embodiment shown in the Fig. 1 , one of the strands 6, from the associated foot 5, passes on one of the strands 6 of the next loop 4, then on the chain 2 next to the one that carries the feet 5 of his loop, and he joins the vertex 7 which overlaps the laterally adjacent loops 4, at a very short distance from the common foot 5 thereof; the other strand 6, from the vertex 7, overlaps the same warp thread 2 as the first strand 6 of this same loop, it passes under one of the strands 6 of the previous loop 4, and it joins the second foot 5. Thus, a loop 4 overlaps twice the same warp thread 2 by its strands 6, and its top 7 overlaps the two laterally adjacent loops, in the immediate vicinity of their common foot 5. In addition, as shown in FIG. Fig. 2 the loops 4 move away from the plane formed by the warp threads 2 and the weft threads 3 from their feet 5.

On a schématiquement représenté sur la Fig. 2, en coupe transversale et de manière éclatée, un ensemble stratifié selon l'invention. Le tissu 1, qui présente une faible stabilité dimensionnelle et une faible résistance mécanique, est destiné à être contrecollé sur un support 8 de renfort, de toute nature appropriée, par exemple en matière plastique. Ce support peut être souple, rigide ou semi-rigide et, comme indiqué précédemment, il peut être soit un support intermédiaire destiné à être fixé ultérieurement sur un article, soit cet article lui-même. Pour le contrecollage, par exemple, on dépose sur l'une des faces du support 8 une pellicule d'adhésif 9 destinée à coopérer essentiellement avec les fils de chaînette 2, les fils de trame 3 et la partie des pieds 5 des boucles qui est située du côté de la face inférieure ou arrière du tissu 1.We have schematically represented on the Fig. 2 , in cross-section and exploded, a laminated assembly according to the invention. The fabric 1, which has a low dimensional stability and a low mechanical strength, is intended to be laminated on a support 8 of reinforcement, of any suitable nature, for example plastic. This support can be flexible, rigid or semi-rigid and, as indicated above, it can be either an intermediate support intended to be subsequently fixed on an article, or this article itself. For laminating, for example, is deposited on one of the faces of the support 8 a film of adhesive 9 intended to cooperate essentially with the son of chain 2, the weft son 3 and the part of the feet 5 loops which is located on the side of the underside or back of the fabric 1.

Lors du contrecollage, qui s'effectue généralement sous pression mécanique comme indiqué ci-après, le tissu 1 est dans son ensemble plaqué contre le support 8, avec interposition de l'adhésif 9, et, lors de cette opération, les fils de chaînette, les fils de trame et le dessous des pieds 5 coopèrent étroitement avec l'adhésif 9, tandis que les brins 6 des boucles ne sont que partiellement collés sur le support 8 et que, de toute façon, les sommets 7 des boucles sont préservés d'un collage du fait qu'ils sont chacun protégés par un pied 5. Pour favoriser le collage, les boucles 4 peuvent présenter, au niveau de leurs pieds 5 et du côté du support 8, des petites contre-boucles 14 destinées à coopérer avec l'adhésif 9 pour augmenter la surface de contact entre le tissu 1 et le support 8. Cela renforce également la fixation des pieds de boucle 5 sur les fils 2, 3 et le support 8 et, par conséquent, aussi la structure des boucles.During lamination, which is generally carried out under mechanical pressure as indicated below, the fabric 1 is as a whole pressed against the support 8, with the interposition of the adhesive 9, and, during this operation, the warp yarns , the weft threads and the bottom of the feet 5 cooperate closely with the adhesive 9, while the strands 6 of the loops are only partially glued on the support 8 and that, in any case, the vertices 7 of the loops are preserved by a bonding because they are each protected by a foot 5. To promote gluing, the loops 4 may have, at their feet 5 and the side of the support 8, small counter-loops 14 intended to cooperate with the adhesive 9 to increase the contact area between the fabric 1 and the support 8. This also strengthens the fixing of the loop legs 5 on the son 2, 3 and the support 8 and, therefore, also the structure of the loops.

Ainsi, bien que les boucles 4 soient partiellement et localement collées sur le support 8, leurs sommets 7 restent dégagés et, en fonctionnement, ils peuvent coopérer librement avec les éléments mâles complémentaires d'accrochage, ce qui conserve aux boucles 4 toutes leurs propriétés auto-agrippantes. Au surplus, lors de la première séparation des deux éléments constituant la fermeture séparable, les boucles 4 sont tirées par les éléments mâles d'accrochage, ce qui provoque, par effet de pelage, la séparation des brins 6, localement collés au support 8, d'avec celui-ci.Thus, although the loops 4 are partially and locally bonded to the support 8, their tops 7 remain unobstructed and, in operation, they can cooperate freely with the male complementary elements of attachment, which keeps the loops 4 all their auto properties -agrippantes. Moreover, during the first separation of the two elements constituting the separable closure, the loops 4 are pulled by the male fastening elements, which causes, by peeling effect, the separation of the strands 6, locally bonded to the support 8, with this one.

On a schématiquement représenté sur la Fig. 3 un exemple de dispositif permettant de réaliser le contrecollage, pour l'obtention de l'ensemble stratifié ci-dessus, dans la phase finale du procédé selon l'invention, après que le tissu 1 a été tricoté.We have schematically represented on the Fig. 3 an example of a device for carrying out the laminating, in order to obtain the above laminated assembly, in the final phase of the process according to the invention, after the fabric 1 has been knitted.

Cet exemple de dispositif est utilisable dans le cas d'un support 8 qui est souple et qui est une bande ou feuille intermédiaire, l'ensemble stratifié étant ensuite fixé sur un article par tout moyen approprié.This exemplary device is usable in the case of a support 8 which is flexible and which is an intermediate strip or sheet, the laminated assembly then being fixed on an article by any appropriate means.

Ce dispositif comporte deux rouleaux entraînés de pression 10 et 11 qui réalisent l'assemblage du tissu 1 et du support souple 8. Le tissu 1 est amené le premier à passer sur le rouleau 10, qui reçoit ensuite, par-dessus le tissu 1, le support 8. En amont du rouleau 10, le support 8 passe sous un dispositif 12 d'application ou de dépose de l'adhésif 9 sur la face du support 8 qui est tournée vers le tissu 1. Bien entendu, les boucles 4 sont situées sur la face du tissu 1 qui est éloignée du support 8, c'est-à-dire opposée à celui-ci. Le tissu 1 et le support 8, superposés sur le rouleau 10, passent ensuite conjointement dans la zone de pinçage entre les deux rouleaux pour l'obtention du collage, et l'ensemble stratifié 13 est extrait par tout moyen approprié, par exemple par des rouleaux d'appel.This device comprises two driven pressure rollers 10 and 11 which assemble the fabric 1 and the flexible support 8. The fabric 1 is brought first to pass over the roll 10, which then receives, on top of the fabric 1, the support 8. Upstream of the roll 10, the support 8 passes under a device 12 for applying or removing the adhesive 9 on the face of the support 8 which is turned towards the fabric 1. Of course, the loops 4 are located on the face of the fabric 1 which is remote from the support 8, that is to say opposite to it. The fabric 1 and the support 8, superimposed on the roll 10, then pass together in the clamping zone between the two rollers to obtain the bonding, and the laminated assembly 13 is extracted by any appropriate means, for example by means of call rollers.

Si l'ensemble stratifié selon l'invention est destiné à être collé sur un autre support par la face 15 du support 8 opposée à celle qui reçoit le tissu 1, cette face de collage 15 peut être revêtue d'un adhésif permanent et, pour permettre d'enrouler l'ensemble stratifié sur lui-même en bobine avant ce collage, ou bien cet adhésif reçoit une pellicule provisoire de protection, ou bien les boucles 4 subissent, par exemple par enduction, un traitement d'anti-adhérence.If the laminated assembly according to the invention is intended to be glued to another support by the face 15 of the support 8 opposite that which receives the fabric 1, this bonding face 15 may be coated with a permanent adhesive and, for allow the laminated assembly to wind on itself in reel before this bonding, or this adhesive receives a temporary protective film, or the loops 4 undergo, for example by coating, a treatment antiadhesion.

Claims (7)

  1. A laminated assembly comprising a warp or weft knitted fabric (1) with loops (4), and a support (8) wherein the weft or warp knitted loop fabric comprises a light, very open, mechanically fragile and dimensionally unstable interlacing of warp threads, or wales (2), and weft threads, or courses (3) and knitted free loops of which the feet (5) cooperate with warp and weft threads, while the rest of each loop, formed by two strands (6) originating from the feet and an apex (7) connecting the two strands, is free, characterised in that at least one of the two strands bears on at least one warp thread (2) and/or weft thread (3), at a distance from the foot (5) associated with said strand (6), each loop being of such a dimension relative to the pitch of the warp or weft threads (2) so that its apex (7) be able to straddle the foot (5) of another loop and the interlacing is stuck on the support (8) by an adhesive.
  2. An assembly according to claim 1, characterised in that in plan view the loops (4) are oblique with respect to the general direction of the warp and weft threads.
  3. An assembly according to claims 1 or 2, characterised in that the feet (5) of one and the same loop (4) are on one and the same warp thread (2).
  4. An assembly according to claim 1 or 2, characterised in that the feet (5) of one and the same loop (4) are on different warp threads (2), for example adjacent warp threads.
  5. An assembly according to any one of claims 1 to 4, characterised in that the feet (5) of one and the same loop (4) are on adjacent weft threads (3).
  6. An assembly according to any one of claims 1 to 4, characterised in that the feet (5) of one and the same loop (4) are on non-adjacent weft threads (3).
  7. A method of producing the laminated assembly according to any one of claims 1 to 6, characterised in that it consists in knitting the said fabric (1) so that its loops (4) have the said dimension with respect to the pitch of the warp threads (2) and/or weft threads (3) and with respect to the foot of another loop (4); applying an adhesive (9) to the said support (8); and bringing the said fabric and the said support (8) into contact in order to connect them by sticking.
EP96402572A 1995-11-29 1996-11-28 Layered product comprising a warp- or weft knitted terry fabric glued to a support web and method for its manufacture Expired - Lifetime EP0777006B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE69619771T DE69619771T3 (en) 1995-11-29 1996-11-28 Multi-layer material made of a chain or weft loop knitted fabric bonded to a support and method for its production
EP01201567A EP1148163B2 (en) 1995-11-29 1996-11-28 Layered product presenting terry loops with overlapping strands

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9514140 1995-11-29
FR9514140A FR2741636B1 (en) 1995-11-29 1995-11-29 LAMINATE ASSEMBLY CONSISTING OF A KNITTED FABRIC CHAIN OR WEFT WITH LOOPS BACKED ON A SUPPORT, AND ITS MANUFACTURING METHOD

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP01201567A Division EP1148163B2 (en) 1995-11-29 1996-11-28 Layered product presenting terry loops with overlapping strands
EP01201567.3 Division-Into 2001-05-01

Publications (3)

Publication Number Publication Date
EP0777006A1 EP0777006A1 (en) 1997-06-04
EP0777006B1 EP0777006B1 (en) 2002-03-13
EP0777006B2 true EP0777006B2 (en) 2011-06-08

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP96402572A Expired - Lifetime EP0777006B2 (en) 1995-11-29 1996-11-28 Layered product comprising a warp- or weft knitted terry fabric glued to a support web and method for its manufacture
EP01201567A Expired - Lifetime EP1148163B2 (en) 1995-11-29 1996-11-28 Layered product presenting terry loops with overlapping strands

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01201567A Expired - Lifetime EP1148163B2 (en) 1995-11-29 1996-11-28 Layered product presenting terry loops with overlapping strands

Country Status (6)

Country Link
US (1) US5736214A (en)
EP (2) EP0777006B2 (en)
JP (1) JPH09173111A (en)
DE (2) DE69631705T3 (en)
ES (2) ES2171635T5 (en)
FR (1) FR2741636B1 (en)

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Also Published As

Publication number Publication date
DE69619771D1 (en) 2002-04-18
EP1148163A3 (en) 2002-04-03
EP1148163B2 (en) 2011-08-03
ES2213667T5 (en) 2011-10-31
ES2171635T3 (en) 2002-09-16
DE69631705T3 (en) 2012-01-26
DE69619771T3 (en) 2012-02-09
EP0777006A1 (en) 1997-06-04
DE69619771T2 (en) 2002-11-21
DE69631705D1 (en) 2004-04-01
FR2741636B1 (en) 1998-02-06
EP1148163B1 (en) 2004-02-25
JPH09173111A (en) 1997-07-08
EP1148163A2 (en) 2001-10-24
US5736214A (en) 1998-04-07
FR2741636A1 (en) 1997-05-30
ES2171635T5 (en) 2011-08-19
EP0777006B1 (en) 2002-03-13
ES2213667T3 (en) 2004-09-01
DE69631705T2 (en) 2004-10-07

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