EP1172472A1 - Fabric with double pile network and method for making it - Google Patents

Fabric with double pile network and method for making it Download PDF

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Publication number
EP1172472A1
EP1172472A1 EP01401738A EP01401738A EP1172472A1 EP 1172472 A1 EP1172472 A1 EP 1172472A1 EP 01401738 A EP01401738 A EP 01401738A EP 01401738 A EP01401738 A EP 01401738A EP 1172472 A1 EP1172472 A1 EP 1172472A1
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EP
European Patent Office
Prior art keywords
loops
fabric
loop
feet
needles
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
EP01401738A
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German (de)
French (fr)
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EP1172472B1 (en
Inventor
Bernard Desgrand
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Aplix SA
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Aplix SA
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Publication date
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Publication of EP1172472A1 publication Critical patent/EP1172472A1/en
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Publication of EP1172472B1 publication Critical patent/EP1172472B1/en
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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
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/45—Knit fabric is characterized by a particular or differential knit pattern other than open knit fabric or a fabric in which the strand denier is specified
    • 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]
    • Y10T442/45—Knit fabric is characterized by a particular or differential knit pattern other than open knit fabric or a fabric in which the strand denier is specified
    • Y10T442/456—Including additional strand inserted within knit 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.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/488—Including an additional knit fabric layer
    • 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 present invention relates to a knitted fabric with loops or loops. These loops or loops are intended to hang on hooks to form a hook-and-loop fastening device.
  • This knitted fabric has a bottom, consisting of an interlacing of column of mesh and weft direction connecting threads, and a network of loops formed of yarns of knitted loops in the bottom of the fabric, the loops each having two feet which are knitted along the columns of mesh and a summit.
  • Knitted fabrics of this kind from the prior art have the first drawback that all loops are formed by being oriented in the same direction, that is to say the top of each loop is always on one side given (left or right) feet of the loop for all loops of the fabric. This translates into a minus good hooking of hook and loop hooks in one direction compared to the opposite direction.
  • These knitted art fabrics also have the second disadvantage that the percentage of threads used to form loops is much lower than that of the wires used to form the background. Now, for a self-gripping the useful part hooking consists of loops and we therefore wish use as much wire as possible to form loops.
  • the present invention aims to overcome these two disadvantages simultaneously, i.e. getting a tissue knitted fabric that has the same hooking capacity, as female part of a Velcro, in one direction and in the other of the direction of the fabric (weft direction) and in which a greater proportion of the threads in the fabric is used to form the curls, for example 40% to 70% of all fabric threads, especially from 50% to 60%.
  • each first vertex of a first loop intertwines in a second vertex of a second loop.
  • the feet of the loops are formed along the columns of mesh.
  • the fabric has a basis weight between 15 g / m 2 and 150 g / m 2 , in particular between 15 g / m 2 and 40 g / m 2 , for a diameter of threads between 17 and 120 decitex, especially between 22 and 70 decitex.
  • the present invention also relates to a process for manufacturing a fabric as described previously.
  • the manufacturing process of a looped fabric on. chain loom with rows needles including the steps of using three guide bars, the first of which is used to form chains in cooperation with certain needles, a second is used to form weft directions with chain forming needles, and a third is used alternately forming stitches (the feet of loops) on chain forming needles in a row and stitches (top of loops) on needles located between two rows of consecutive chain formation, is characterized in that that at least two rows of needles are provided loop vertices between two rows of consecutive chain training needle and the third bar acts on two threads to knit at least two networks of loops between two rows of needle consecutive chain formation, the two wires being offset by a distance corresponding to the distance between two rows of needles on the loom.
  • the present invention also relates to a set laminate comprising a fabric according to the invention attached to a support, in particular by laminating.
  • the invention relates to a set laminate whose support is a diaper.
  • the present invention relates to a layer panties comprising a female hook-and-loop part comprising a fabric according to the invention.
  • the process of making a loop knit on chain trade illustrated by the graph in Figure 1 consists of working with three guide bars.
  • a first bar used to form chains 1 in cooperation with a row (vertical in the figure) of needles on three in the example considered.
  • a second bar to passette is used to form frame links 2 in cooperation with chain forming needles 1.
  • a third pass-bar is used to form alternately stitches 3 and 3 '(the feet of the loops) on needles chain formation in a row and stitches corresponding to vertices of loops 4, 4 'on both rows of needles located between two rows of needles formation of consecutive chains.
  • the frame link is here represented by a non-meshed (screened) system; however a mesh system or an alternate system is also possible. As to chains, or columns of mesh, they can be open, closed or alternated (two meshes in one direction, two in another).
  • the fabric on loom shown in Figure 1 thus comprises two networks of loops, namely the first loop network comprising feet 3 and loop vertices 4 and a second loop network consisting of 3 'feet and 4' loop tops.
  • Bar C with loop for the formation of loops knits all the loops in the same direction of travel of the knit on the job.
  • both loop networks have their loops oriented in opposite directions, that is to say in Figure 1 the network of foot loops 3 and vertices 4 is oriented towards the left of the drawing while the 3 'foot loop network and vertices 4 'is oriented to the right of the figure.
  • a foot 3 'of a loop 4' is along a chain 1 between two feet 3 of the first network of loops. The 3 'foot in question is halfway between two feet 3 of a first neighbor loop.
  • the stroke of bar C for the training of loops are carried out in a weave 10 - 23.
  • the needles (represented by dots in Figures 1 and 2) are distributed over the loom following a row matrix (horizontal in the figure) and columns or rows (vertical in the figure), the columns or rows being numbered from 0.
  • the cycle of bar C is as follows. In one first time, she unraveled a first thread in a needle from one of the two rows of needle located between rows of mesh or chain column needles (column 1), to form a top of the second loop then knit a second thread in a needle which has already been knitted a column of mesh (column 0) to form by mesh a foot of a loop.
  • the bar unravel the second thread in a needle on the other of the two rows (column 2) to form a vertex of the first loop and stitch the second thread in the next stitch column (column 3) to form a foot of a second loop.
  • Figure 2 is shown another mode of substantially identical to that of FIG. 1.
  • the loops of the first network intertwine at their vertex 4 with the loops of the second network at their top 4 '.
  • the bar C of loops, for knitting these two loop networks follows armor 10 - 45.
  • the start of the bar C cycle is identical to that of the embodiment of Figure 1. However for the second part of the cycle instead of respectively unravel and mesh the bars in columns 2 and 3 mesh and mesh in columns 4 and 5.
  • This way interlacing the loops together also allows for a even more secure in both directions than in the case of Figure 1. Indeed, in the case of Figure 1, there are indeed two networks of loops each oriented in a meaning. However, there is a directed loop network in the direction of movement of the fabric on the loom and a network of loop which is oriented in the opposite direction. It follows that the curls tend according to whether they are of a network or another to protrude from the fabric so different.
  • Figure 3 shows a fabric looped on its identical trade to that of figure 1, except that the mesh columns or chains 1 are spaced apart another of three rows of needles instead of two. Through therefore the bar C follows an armor 10-34.
  • Figure 4 shows a looped fabric on its trade identical to that of Figure 2, except that the chains 1 are spaced 3 columns or rows apart needles instead of two. Therefore bar C follows 10-56 armor.
  • Figure 5 shows a diaper 5 comprising a hook-and-loop device comprising a part female 6 consisting of a knit according to one of FIGS. 1 or 2 laminated on a support itself laminated or heat-sealed or otherwise fixed to the edge of the diaper, which we wish to fix thanks to the Velcro by the male part 7 located at the other edge.

Abstract

The fabric for a contact burr bonding strip application has two grids of loops knitted into the fabric base. The second loop grid has their loop feet (3') linked by loop peaks (4') on the opposite side. Each loop foot of the second set lies on a theoretical plane at the feet (3) of the first set of loops, between them and preferably centered between them. The fabric for a contact burr bonding strip has a first set of loops, where their loop peaks (4) each link together with a loop peak of the second set of loops. The loop feet, in both sets, are arranged along the stitch wales. The contact bonding fabric has a weight of 15-150 g/m<2> and especially 15-40 g/m<2>, using a filament diameter of 17-120 decitex and particularly 22-70 decitex. An Independent claim is included for a fabric production process, using at least two rows of needles between two rows of needles to form the warps and the third bar, to give at least two grids of loops between two consecutive rows of warp needles. The third bar has a pattern lay-out of 10-45. The fabric is laminated to a carrier, by an adhesive.

Description

La présente invention concerne un tissu tricoté à boucles ou bouclettes. Ces boucles ou bouclettes sont destinées à venir s'accrocher dans des crochets pour former un dispositif d'accrochage auto-agrippant. Ce tissu tricoté comporte un fond, constitué d'un entrelacement de fils de colonne de maille et de fils de liaison sens trame, et un réseau de boucles formé de fils de boucles tricotées dans le fond du tissu, les boucles ayant notamment chacune deux pieds qui sont tricotés le long des colonnes de mailles et un sommet.The present invention relates to a knitted fabric with loops or loops. These loops or loops are intended to hang on hooks to form a hook-and-loop fastening device. This knitted fabric has a bottom, consisting of an interlacing of column of mesh and weft direction connecting threads, and a network of loops formed of yarns of knitted loops in the bottom of the fabric, the loops each having two feet which are knitted along the columns of mesh and a summit.

Les tissus tricotés de ce genre de l'art antérieur présentent le premier inconvénient que toutes les boucles sont formées en étant orientées dans le même sens, c'est-à-dire le sommet de chaque boucle se trouve toujours d'un côté donné (à gauche ou à droite) des pieds de la boucle pour toutes les boucles du tissu. Cela se traduit par un moins bon accrochage des crochets de l'auto-agrippant dans un sens comparé au sens opposé. Ces tissus tricotés de l'art antérieur présentent en outre le deuxième inconvénient que le pourcentage de fils utilisés pour former des boucles est très inférieur à celui des fils utilisés pour former le fond. Or, pour un auto-agrippant la partie utile d'accrochage est constituée des boucles et on souhaite donc utiliser autant que possible du fil pour former des boucles.Knitted fabrics of this kind from the prior art have the first drawback that all loops are formed by being oriented in the same direction, that is to say the top of each loop is always on one side given (left or right) feet of the loop for all loops of the fabric. This translates into a minus good hooking of hook and loop hooks in one direction compared to the opposite direction. These knitted art fabrics also have the second disadvantage that the percentage of threads used to form loops is much lower than that of the wires used to form the background. Now, for a self-gripping the useful part hooking consists of loops and we therefore wish use as much wire as possible to form loops.

La présente invention vise à pallier ces deux inconvénients simultanément, c'est-à-dire obtenir un tissu tricoté qui ait la même capacité d'accrochage, en tant que partie femelle d'un auto-agrippant, dans un sens et dans l'autre de la direction du tissu (sens trame) et dans lequel une plus grande proportion des fils du tissu est utilisée pour former les boucles, par exemple de 40 % à 70 % de tous les fils du tissu, notamment de 50 % à 60 %.The present invention aims to overcome these two disadvantages simultaneously, i.e. getting a tissue knitted fabric that has the same hooking capacity, as female part of a Velcro, in one direction and in the other of the direction of the fabric (weft direction) and in which a greater proportion of the threads in the fabric is used to form the curls, for example 40% to 70% of all fabric threads, especially from 50% to 60%.

Suivant l'invention, le tissu tricoté à boucles, comportant

  • un fond constitué d'un entrelacement de fils de chaínette, ou colonnes de mailles, et de fils de liaison sens trame, et
  • un premier réseau de boucles tricotées dans le fond, chacune étant constituée de deux premiers pieds tricotés dans le fond, de deux premiers brins partant des premiers pieds et d'un premier sommet de liaison des deux premiers brins, chaque premier sommet se trouvant d'un côté donné des deux premiers pieds pour toutes les premières boucles,
   est caractérisé en ce qu'il comporte un deuxième réseau de boucles tricotées dans le fond, chacune étant constituée chacune de deux deuxièmes pieds tricotés dans le fond, de deux deuxièmes brins partant des deux deuxièmes pieds et d'un deuxième sommet de liaison des deux deuxièmes brins, chaque deuxième sommet se trouvant du côté opposé au dit côté donné des deux deuxièmes pieds pour toutes les deuxièmes boucles, et chaque deuxième pied se trouvant sur la droite imaginaire reliant deux premiers pieds d'une première boucle, entre ces deux premiers pieds, de préférence à mi-distance.According to the invention, the loop knitted fabric, comprising
  • a bottom made up of an interlacing of warp threads, or mesh columns, and weft-direction connecting threads, and
  • a first network of loops knitted in the bottom, each consisting of two first feet knitted in the bottom, two first strands starting from the first feet and a first connecting vertex of the first two strands, each first vertex being of a given side of the first two feet for all the first loops,
is characterized in that it comprises a second network of knitted loops in the bottom, each consisting of two second legs knitted in the bottom, two second strands starting from the two second legs and a second connecting vertex of the two second strands, each second vertex being on the side opposite to the said given side of the two second legs for all the second loops, and each second leg being on the imaginary line connecting two first legs of a first loop, between these first two legs , preferably halfway.

Pour pouvoir obtenir ce nouveau tissu à deux réseaux de boucles, la demanderesse a trouvé un nouveau procédé, qui n'utilise pourtant que trois barres sur le métier en prévoyant un nouvel écartement sur le métier entre chaque rangée d'aiguilles de formation des chaínettes, à savoir un écartement d'au moins deux rangées d'aiguilles entre deux rangées d'aiguilles de formation de chaínettes consécutives au lieu de une dans l'art antérieur, et la troisième barre du métier, dédiée à la formation des boucles, agit sur deux fils qu'elle tricote simultanément, ceux-ci tant décalés d'un écartement correspondant à l'écartement entre deux rangées d'aiguilles, de sorte que l'on peut réaliser en même temps deux réseaux d'orientation opposés.To be able to get this new fabric for two loop networks, the plaintiff has found a new process, which however only uses three bars on the loom by planning a new gap on the loom between each row of chain training needles, know a spacing of at least two rows of needles between two rows of chain formation needles instead of one in the prior art, and the third bar in the trade, dedicated to training loops, acts on two threads which she knits simultaneously, these both offset by a distance corresponding to the spacing between two rows of needles, so that two orientation networks can be created at the same time opposed.

Suivant un perfectionnement de l'invention, chaque premier sommet d'une première boucle s'entrelace dans un deuxième sommet d'une deuxième boucle.According to an improvement of the invention, each first vertex of a first loop intertwines in a second vertex of a second loop.

On obtient ainsi une plus grande solidité du tissu dans son ensemble et notamment une meilleure résistance de celui-ci dans le cas où un fil du fond se déchire, l'entrelacement des boucles permettant de circonscrire la propagation du trou, créé par le déchirement du fil. This gives greater fabric strength as a whole and in particular better resistance of this one in case a bottom wire tears, interlacing of loops to circumscribe the propagation of the hole, created by the tearing of the wire.

Suivant un mode de réalisation préféré de l'invention, les pieds des boucles sont formés le long des colonnes de maille.According to a preferred embodiment of the invention, the feet of the loops are formed along the columns of mesh.

Suivant un mode de réalisation préféré, le tissu présente un grammage compris entre 15 g/m2 et 150 g/m2, notamment entre 15 g/m2 et 40 g/m2, pour un diamètre de fils compris entre 17 et 120 décitex, notamment entre 22 et 70 décitex.According to a preferred embodiment, the fabric has a basis weight between 15 g / m 2 and 150 g / m 2 , in particular between 15 g / m 2 and 40 g / m 2 , for a diameter of threads between 17 and 120 decitex, especially between 22 and 70 decitex.

La présente invention se rapporte également à un procédé de fabrication d'un tissu tel que décrit précédemment.The present invention also relates to a process for manufacturing a fabric as described previously.

Suivant l'invention, le procédé de fabrication d'un tissu bouclé sur. métier chaíne comportant des rangées d'aiguilles, comportant les étapes qui consistent à utiliser trois barres à passette, dont une première sert à former des chaínettes en coopération avec certaines aiguilles, une deuxième sert à former des liaisons sens trame avec des aiguilles de formation des chaínettes, et une troisième sert à former, alternativement des mailles (les pieds des boucles) sur des aiguilles de formation de chaínette dans une rangée et des mailles (sommet de boucles) sur des aiguilles situées entre deux rangées d'aiguilles de formation de chaínette consécutives, est caractérisé en ce qu'il est prévu au moins deux rangées d'aiguilles de formation de sommets de boucles entre deux rangées d'aiguille de formation de chaínette consécutives et la troisième barre agit sur deux fils pour tricoter au moins deux réseaux de boucles entre deux rangées d'aiguille de formation de chaínette consécutives, les deux fils étant décalés d'un écartement correspondant à la distance entre deux rangées d'aiguilles sur le métier.According to the invention, the manufacturing process of a looped fabric on. chain loom with rows needles, including the steps of using three guide bars, the first of which is used to form chains in cooperation with certain needles, a second is used to form weft directions with chain forming needles, and a third is used alternately forming stitches (the feet of loops) on chain forming needles in a row and stitches (top of loops) on needles located between two rows of consecutive chain formation, is characterized in that that at least two rows of needles are provided loop vertices between two rows of consecutive chain training needle and the third bar acts on two threads to knit at least two networks of loops between two rows of needle consecutive chain formation, the two wires being offset by a distance corresponding to the distance between two rows of needles on the loom.

Suivant un mode de réalisation avantageux possible, on utilise une armure 10 - 23 pour la troisième barre.According to an advantageous embodiment possible, we use armor 10 - 23 for the third closed off.

Suivant un autre mode de réalisation avantageux possible, on utilise une armure 10 - 45 pour la troisième barre. According to another advantageous embodiment possible, we use armor 10 - 45 for the third closed off.

La présente invention vise aussi un ensemble laminé comportant un tissu suivant l'invention fixé à un support, notamment par contrecollage.The present invention also relates to a set laminate comprising a fabric according to the invention attached to a support, in particular by laminating.

En particulier, l'invention vise un ensemble laminé dont le support est une couche culotte.In particular, the invention relates to a set laminate whose support is a diaper.

Enfin, la présente invention vise une couche culotte comportant une partie femelle d'auto-agrippant comportant un tissu suivant l'invention.Finally, the present invention relates to a layer panties comprising a female hook-and-loop part comprising a fabric according to the invention.

On décrit maintenant deux modes de réalisation préférés de l'invention, donnés uniquement à titre d'exemple, en se référant au dessin, dans lequel

  • La figure 1 représente un graphique de fabrication d'un tricot bouclé suivant l'invention, en utilisant une armure 10 - 23 pour la troisième barre,
  • La figure 2 représente un graphique de fabrication d'un autre tricot bouclé suivant l'invention, en utilisant une armure 10 - 45 pour la troisième barre,
  • La figure 3 représente un graphique de fabrication d'encore un autre tricot bouclé suivant l'invention, les colonnes de mailles étant ici écartées de 3 rangées d'aiguilles au lieu de 2 aux figures 1 et 2, en utilisant pour la troisième barre une armure 10-34, et
  • la figure 4 représente un graphique de fabrication d'encore un autre tricot bouclé suivant l'invention, les colonnes de mailles étant ici écartées de 3 rangées d'aiguilles au lieu de 2 aux figures 1 et 2, en utilisant une armure 10-56 pour la troisième barre, et
  • la figure 5 représente une couche-culotte suivant l'invention comportant une partie autoagrippante suivant l'invention.
    • We will now describe two preferred embodiments of the invention, given solely by way of example, with reference to the drawing, in which
  • FIG. 1 represents a graph for manufacturing a loop knit according to the invention, using a weave 10 - 23 for the third bar,
  • FIG. 2 represents a manufacturing graph of another loop knit according to the invention, using a weave 10 - 45 for the third bar,
  • FIG. 3 represents a manufacturing graph of yet another loop knit according to the invention, the mesh columns here being separated by 3 rows of needles instead of 2 in FIGS. 1 and 2, using for the third bar a armor 10-34, and
  • FIG. 4 represents a manufacturing graph of yet another loop knit according to the invention, the mesh columns here being separated by 3 rows of needles instead of 2 in FIGS. 1 and 2, using a weave 10-56 for the third bar, and
  • FIG. 5 represents a diaper according to the invention comprising a Velcro part according to the invention.

    • Le procédé de fabrication d'un tricot bouclé sur métier chaíne illustré par le graphique de la figure 1 consiste à travailler avec trois barres à passettes. Une première barre sert à former des chaínettes 1 en coopération avec une rangée (verticale à la figure) d'aiguilles sur trois dans l'exemple considéré. Une deuxième barre à passette sert à former des liaisons trames 2 en coopération avec des aiguilles de formation de chaínette 1. Enfin, une troisième barre à passette sert à former alternativement des mailles 3 et 3' (les pieds des boucles) sur des aiguilles de formation de chaínette dans une rangée et des mailles correspondant à des sommets de boucles 4, 4' sur les deux rangées d'aiguilles situées entre deux rangées d'aiguilles de formation de chaínettes consécutives.The process of making a loop knit on chain trade illustrated by the graph in Figure 1 consists of working with three guide bars. A first bar used to form chains 1 in cooperation with a row (vertical in the figure) of needles on three in the example considered. A second bar to passette is used to form frame links 2 in cooperation with chain forming needles 1. Finally, a third pass-bar is used to form alternately stitches 3 and 3 '(the feet of the loops) on needles chain formation in a row and stitches corresponding to vertices of loops 4, 4 'on both rows of needles located between two rows of needles formation of consecutive chains.

    La liaison trame est ici représentée par un système non maillé (tramé) ; cependant un système maillé ou un système alterné sont également possibles. Quant aux chaínettes, ou colonnes de mailles, elles peuvent être ouvertes, fermées ou alternées (deux mailles dans un sens, deux dans un autre).The frame link is here represented by a non-meshed (screened) system; however a mesh system or an alternate system is also possible. As to chains, or columns of mesh, they can be open, closed or alternated (two meshes in one direction, two in another).

    Le tissu sur métier représenté à la figure 1 comporte ainsi deux réseaux de bouclettes, à savoir le premier réseau de boucles comportant des pieds 3 et des sommets de boucle 4 et un deuxième réseau de boucles constitué des pieds 3' et des sommets de boucle 4'. La barre C à passette pour la formation des boucles tricote toutes les boucles dans le même sens de défilement du tricot sur le métier. Cependant, elle agit sur deux fils décalés de la distance entre deux rangées d'aiguilles adjacentes et compte tenu du fait que l'on a maintenant laissé deux rangées d'aiguilles libres entre deux rangées de chaínette consécutives, les deux réseaux de boucles ont leurs boucles orientées en sens opposé, c'est-à-dire à la figure 1 le réseau de boucles à pieds 3 et sommets 4 est orienté vers la gauche du dessin tandis que le réseau de boucles à pieds 3' et sommets 4' est orienté vers la droite de la figure. Un pied 3' d'une boucle 4' se trouve le long d'une chaínette 1 entre deux pieds 3 du premier réseau de boucles. Le pied 3' en question est à mi-distance entre deux pieds 3 d'une première boucle voisin.The fabric on loom shown in Figure 1 thus comprises two networks of loops, namely the first loop network comprising feet 3 and loop vertices 4 and a second loop network consisting of 3 'feet and 4' loop tops. Bar C with loop for the formation of loops knits all the loops in the same direction of travel of the knit on the job. However, it acts on two wires offset from the distance between two rows of adjacent needles and count given that we have now left two rows free needles between two rows of chain consecutive, both loop networks have their loops oriented in opposite directions, that is to say in Figure 1 the network of foot loops 3 and vertices 4 is oriented towards the left of the drawing while the 3 'foot loop network and vertices 4 'is oriented to the right of the figure. A foot 3 'of a loop 4' is along a chain 1 between two feet 3 of the first network of loops. The 3 'foot in question is halfway between two feet 3 of a first neighbor loop.

    Pour un fil de 50 décitex, environ 60 % des fils du tissu servent à former des boucles. Pour un même décitex de fil, c'est-à-dire pour des fils de 50 décitex également, et dans le cas des tissus de l'art antérieur où on ne laissait qu'une seule rangée d'aiguille de formation de boucles entre deux rangées de colonnes de mailles adjacentes, et pour un seul réseau de boucles tel que par exemple le premier réseau de boucles décrit ci-dessus, ce pourcentage était d'environ 30 % ou 35 %.For a 50 decitex thread, around 60% of the threads of fabric are used to form loops. For the same decitex yarn, that is to say for yarns of 50 decitex also, and in the case of prior art fabrics where one does left only one row of training needle loops between two rows of mesh columns adjacent, and for a single loop network such as by example the first loop network described above, this percentage was around 30% or 35%.

    La course de la barrette C pour la formation des boucles s'effectue suivant une armure 10 - 23. Les aiguilles (représentées par des points aux figures 1 et 2) sont réparties sur le métier suivant une matrice à lignes (horizontales à la figure) et colonnes ou rangées (verticales à la figure), les colonnes ou rangées étant numérotées à partir de 0.The stroke of bar C for the training of loops are carried out in a weave 10 - 23. The needles (represented by dots in Figures 1 and 2) are distributed over the loom following a row matrix (horizontal in the figure) and columns or rows (vertical in the figure), the columns or rows being numbered from 0.

    Le cycle de la barrette C est le suivant. Dans un premier temps, elle démaille un premier fil dans une aiguille d'une des deux rangées d'aiguille situées entre des rangées d'aiguille de colonne de maille ou chaínette (colonne 1), pour former un sommet de deuxième boucle puis maille un second fil dans une aiguille où a déjà été maillée une colonne de maille (colonne 0) pour former par maille un pied d'une boucle.The cycle of bar C is as follows. In one first time, she unraveled a first thread in a needle from one of the two rows of needle located between rows of mesh or chain column needles (column 1), to form a top of the second loop then knit a second thread in a needle which has already been knitted a column of mesh (column 0) to form by mesh a foot of a loop.

    Dans un deuxième temps, la barrette démaille le second fil dans une aiguille de l'autre des deux rangées (colonne 2) pour former un sommet de première boucle et maille le second fil dans la colonne de maille suivante (colonne 3) pour former un pied d'une deuxième boucle.In a second step, the bar unravel the second thread in a needle on the other of the two rows (column 2) to form a vertex of the first loop and stitch the second thread in the next stitch column (column 3) to form a foot of a second loop.

    Ensuite, le cycle reprend.Then the cycle resumes.

    A la figure 2 est représenté un autre mode de réalisation sensiblement identique à celui de la figure 1. Cependant, ici, les boucles du premier réseau s'entrelacent au niveau de leur sommet 4 avec les boucles du second réseau au niveau de leur sommet 4'. On a ici des boucles de plus grande dimension dû au fait que les boucles en s'entrelaçant conservent, une fois retirées du métier, une longueur plus important que ce n'est le cas dans le mode de réalisation de la figure 1. La barre C de boucles, pour le tricotage de ces deux réseaux de boucle, suit une armure 10 - 45.In Figure 2 is shown another mode of substantially identical to that of FIG. 1. However, here, the loops of the first network intertwine at their vertex 4 with the loops of the second network at their top 4 '. We have more loops here large dimension due to the fact that the loops are intertwined keep, once removed from the loom, a longer length important that this is the case in the embodiment of Figure 1. The bar C of loops, for knitting these two loop networks, follows armor 10 - 45.

    Le début du cycle de la barrette C est identique à celui du mode de réalisation de la figure 1. Cependant pour la deuxième partie du cycle au lieu de respectivement démailler et mailler aux colonnes 2 et 3 la barrette démaille et maille aux colonnes 4 et 5. Cette façon d'entrelacer les boucles ensemble permet en outre d'avoir un accrochage encore plus identique dans les deux sens que dans le cas de la figure 1. En effet, dans le cas de la figure 1, il y a bien deux réseaux de boucles chacun orienté dans un sens. Cependant, il y a un réseau de boucle orienté dans le sens du défilement du tissu sur le métier et un réseau de boucle qui est orienté dans le sens contraire. Il s'en suit que les boucles ont tendance suivant qu'elles sont d'un réseau ou d'un autre à faire saillie du tissu de manière différente. Dans le cas du tissu de la figure 2, ce problème est résolu puisque les boucles dans le sens du défilement du tissu entraínent avec elles les boucles dans le sens opposé au sens du déroulement du tissu de sorte que toutes les boucles ont tendance à faire saillie du tissu de la même manière et donc à permettre un accrochage encore plus égal dans les deux sens.The start of the bar C cycle is identical to that of the embodiment of Figure 1. However for the second part of the cycle instead of respectively unravel and mesh the bars in columns 2 and 3 mesh and mesh in columns 4 and 5. This way interlacing the loops together also allows for a even more secure in both directions than in the case of Figure 1. Indeed, in the case of Figure 1, there are indeed two networks of loops each oriented in a meaning. However, there is a directed loop network in the direction of movement of the fabric on the loom and a network of loop which is oriented in the opposite direction. It follows that the curls tend according to whether they are of a network or another to protrude from the fabric so different. In the case of the fabric of Figure 2, this problem is resolved since the loops in the direction of scrolling of the fabric drag loops in the opposite direction with them in the direction of the unwinding of the fabric so that all curls tend to protrude from the fabric of the same way and therefore allow even more even hanging in both ways.

    La figure 3 représente un tissu bouclé sur son métier identique à celui de la figure 1, excepté que les colonnes de mailles ou chaínettes 1 sont espacées les unes des autres de trois rangées d'aiguilles au lieu de deux. Par conséquent la barrette C suit une armure 10-34.Figure 3 shows a fabric looped on its identical trade to that of figure 1, except that the mesh columns or chains 1 are spaced apart another of three rows of needles instead of two. Through therefore the bar C follows an armor 10-34.

    De même la figure 4 représente un tissu bouclé sur son métier identique à celui de la figure 2, excepté que les chaínettes 1 y sont espacées de 3 colonnes ou rangées d'aiguilles au lieu de deux. Par conséquent la barrette C suit une armure 10-56.Similarly, Figure 4 shows a looped fabric on its trade identical to that of Figure 2, except that the chains 1 are spaced 3 columns or rows apart needles instead of two. Therefore bar C follows 10-56 armor.

    La figure 5 représente une couche-culotte 5 comportant un dispositif autoagrippant comportant une partie femelle 6 constituée d'un tricot suivant l'une des figures 1 ou 2 contrecollé sur un support lui-même contrecollé ou thermosoudé ou fixé de toute autre manière sur le bord de la couche-culotte, que l'on souhaite fixer grâce à l'auto-agrippant par la partie mâle 7 située à l'autre bord.Figure 5 shows a diaper 5 comprising a hook-and-loop device comprising a part female 6 consisting of a knit according to one of FIGS. 1 or 2 laminated on a support itself laminated or heat-sealed or otherwise fixed to the edge of the diaper, which we wish to fix thanks to the Velcro by the male part 7 located at the other edge.

    Claims (10)

    Tissu tricoté à boucles comportant : un fond constitué d'un entrelacement de fils de chaínette, ou colonnes de mailles, et de fils de liaison sens trame, et un premier réseau de boucles tricotées dans le fond, chacune étant constituée chacune de deux pieds (3) tricotés dans le fond, de deux premiers brins partant des premiers pieds (3) et d'un premier sommet (4) de liaison des deux premiers brins, chaque premier sommet (4) se trouvant d'un côté donné des deux premiers pieds (3) pour toutes les premières boucles,    caractérisé en ce qu'il comporte un deuxième réseau de boucles tricotées dans le fond, chacune étant constituée chacune de deux deuxièmes pieds (3') tricotés dans le fond, de deux deuxièmes brins partant des deux deuxièmes pieds, et d'un deuxième sommet (4') de liaison des deux deuxièmes brins, chaque deuxième sommet (4') se trouvant du côté opposé audit côté des deux deuxièmes pieds (3') pour toutes les deuxièmes boucles, et chaque deuxième pied (3') se trouvant sur la droite imaginaire reliant deux premiers pieds (3) d'une première boucle, entre ces deux premiers pieds, de préférence à mi-distance.Knitted fabric with loops comprising: a bottom made up of an interlacing of warp threads, or mesh columns, and weft-direction connecting threads, and a first network of loops knitted in the bottom, each consisting of two feet (3) knitted in the bottom, two first strands starting from the first feet (3) and a first vertex (4) connecting the first two strands, each first vertex (4) being on a given side of the first two feet (3) for all the first loops, characterized in that it comprises a second network of loops knitted in the bottom, each consisting of two second feet (3 ') knitted in the bottom, two second strands starting from the two second feet, and a second top (4 ') connecting the two second strands, each second vertex (4') being on the side opposite to said side of the two second legs (3 ') for all the second loops, and each second leg (3') being on the imaginary straight line connecting two first feet (3) with a first loop, between these first two feet, preferably halfway. Tissu suivant la revendication 1, caractérisé en ce que chaque premier sommet (4) d'une première boucle s'entrelace dans un deuxième sommet (4') d'une deuxième boucle.Fabric according to claim 1, characterized in that each first vertex (4) of a first loop is intertwined in a second vertex (4 ') of a second loop. Tissu suivant l'une des revendications 1 ou 2, caractérisé en ce que les pieds des première et deuxième boucles sont formés le long des colonnes de mailles.Fabric according to one of claims 1 or 2, characterized in that the feet of the first and second loops are formed along the columns of mesh. Tissu suivant l'une des revendications précédentes, caractérisé en ce que le tissu présente un grammage compris entre 15 g/m2 et 150 g/m2, notamment entre 15 g/m2 et 40g/m2, pour un diamètre de fil compris entre 17 et 120 décitex, notamment entre 22 et 70 décitex.Fabric according to one of the preceding claims, characterized in that the fabric has a grammage between 15 g / m 2 and 150 g / m 2 , in particular between 15 g / m 2 and 40g / m 2 , for a wire diameter between 17 and 120 decitex, especially between 22 and 70 decitex. Procédé de fabrication d'un tissu suivant l'une des revendications précédentes, comportant les étapes qui consistent à utiliser trois barres à passette, dont une première sert à former des chaínettes en coopération avec certaines aiguilles, une deuxième sert à former des liaisons en trame avec des aiguilles de formation des chaínettes, et une troisième sert à former, alternativement des mailles (les pieds des boucles) sur des aiguilles de formation de chaínette dans une rangée et des boucles sur des aiguilles situées entre lesdites aiguilles de formation de chaínette des aiguilles de formation de chaínette dans une rangée suivante, caractérisé en ce qu'il est prévu au moins deux rangées d'aiguilles entre deux rangées d'aiguilles de formation de chaínette et la troisième barre réalise, au moins deux réseaux de boucles entre deux rangées d'aiguilles de formation de chaínette consécutives.Method for manufacturing a fabric according to one of the preceding claims, comprising the steps of using three guide bars, one of which is used to form chains in cooperation with certain needles, the second which is used to form weft bonds with chain-forming needles, and a third is used to form, alternately stitches (the feet of the loops) on chain-forming needles in a row and loops on needles located between said chain-forming needles for chain formation in a next row, characterized in that at least two rows of needles are provided between two rows of chain formation needles and the third bar realizes, at least two networks of loops between two rows of 'consecutive chain formation needles. Procédé suivant la revendication 5, caractérisé en ce qu'on utilise une armure 10 - 23 pour la troisième barre.Method according to claim 5, characterized in that an armor 10 - 23 is used for the third bar. Procédé suivant la revendication 6, caractérisé en ce qu'on utilise une armure 10 - 45 pour la troisième barre.Method according to claim 6, characterized in that an armor 10 - 45 is used for the third bar. Ensemble laminé, comportant un tissu suivant l'une des revendications 1 à 5 fixé à un support, notamment par contrecollage.Laminated assembly, comprising a following fabric one of claims 1 to 5 fixed to a support, in particular by lamination. Ensemble laminé suivant la revendication 8, caractérisé en ce que le support est une couche-culotte.Laminate assembly according to claim 8, characterized in that the support is a diaper. Couche-culotte comportant une partie femelle (6) d'auto-agrippant, se fixant à une partie mâle (7) comportant des crochets, la partie femelle (6) d'auto-agrippant comportant un tissu suivant l'une des revendications 1 à 5.Diaper with female part (6) hook-and-loop, attaching to a male part (7) comprising hooks, the female part (6) of self-gripping comprising a fabric according to one of the claims 1 to 5.
    EP01401738A 2000-07-04 2001-06-29 Fabric with double pile network and method for making it Expired - Lifetime EP1172472B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0008658 2000-07-04
    FR0008658A FR2811341B1 (en) 2000-07-04 2000-07-04 DOUBLE LOOP ARRAY FABRIC AND MANUFACTURING METHOD

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    EP1172472B1 EP1172472B1 (en) 2005-06-08

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    EP (1) EP1172472B1 (en)
    JP (1) JP2002069809A (en)
    AT (1) ATE297481T1 (en)
    DE (1) DE60111305T2 (en)
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    FR (1) FR2811341B1 (en)

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    FR2846346A1 (en) * 2002-09-02 2004-04-30 Aplix Sa Material with surface loops e.g. for hook and loop fastening comprises backing layer with two sets of interlaced loops

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    EP1579779B1 (en) * 2004-03-22 2006-10-18 Nordenia Deutschland Gronau GmbH Multi-layer fabric for hook fastener, especially for diaper fastener
    JP5841318B2 (en) * 2010-08-06 2016-01-13 スリーエム イノベイティブ プロパティズ カンパニー Hook fastener
    FR2979112B1 (en) * 2011-08-19 2013-08-16 Sofradim Production KNIT WITH PICOTS ON BOTH SIDES
    JP6563636B2 (en) * 2014-11-04 2019-08-21 スリーエム イノベイティブ プロパティズ カンパニー Female hook-and-loop fastener, hook-and-loop fastener, and absorbent article

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    ES2240368T3 (en) 2005-10-16
    FR2811341A1 (en) 2002-01-11
    FR2811341B1 (en) 2002-08-23
    US20020006758A1 (en) 2002-01-17
    EP1172472B1 (en) 2005-06-08
    ATE297481T1 (en) 2005-06-15
    DE60111305T2 (en) 2006-05-11
    DE60111305D1 (en) 2005-07-14
    JP2002069809A (en) 2002-03-08

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