EP2418308A1 - Method and device for texturing threads for rugs or carpets, upstream from a heat treatment unit - Google Patents

Method and device for texturing threads for rugs or carpets, upstream from a heat treatment unit Download PDF

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Publication number
EP2418308A1
EP2418308A1 EP11305669A EP11305669A EP2418308A1 EP 2418308 A1 EP2418308 A1 EP 2418308A1 EP 11305669 A EP11305669 A EP 11305669A EP 11305669 A EP11305669 A EP 11305669A EP 2418308 A1 EP2418308 A1 EP 2418308A1
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EP
European Patent Office
Prior art keywords
wire
machine
microtexturing
heat treatment
yarn
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
EP11305669A
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German (de)
French (fr)
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EP2418308B1 (en
Inventor
Philippe Massotte
Didier Thibault
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Superba SAS
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Superba SAS
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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/04—Devices for imparting false twist
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • D02G1/205—After-treatments for fixing crimp or curl

Definitions

  • the present invention relates to the field of the textile industry, in particular the treatment of carpet or carpet yarns upstream of a heat treatment unit and relates to a carpet texturing process for carpet or carpet, upstream of a heat treatment unit.
  • the invention also relates to a device for implementing this method.
  • the texturing of the yarns prior to a heat treatment is a commonly performed operation and generally consists in modifying a yarn coming from the spinning in order to give it properties different from those of origin, namely an increase in its volume, a modification of its appearance or its tactile characteristics.
  • a texturing nozzle of one or more son constituted by synthetic filaments, making it possible to obtain, at the outlet of the nozzle, a yarn having a silky touch comparable to that of a wool yarn, this yarn being taken at the outlet of the nozzle, under tension, for a heat treatment for fixing by continuous passage in a heat-setting machine or the like.
  • the texturing thus obtained thus allows the production of son for furniture or textile having a similar appearance to that of wool.
  • the present invention relates to a carpet texturing method for carpet or carpet, upstream of a heat treatment unit, for modifying the characteristics of the son implemented in this area and achieve a substantial productivity gain.
  • the process according to the invention is characterized in that it consists essentially in producing, downstream of a rack, on at least one wire, at least one microtexturing operation by means of a microtexturer machine. and then depositing the wire obtained at the outlet of the microtexturer machine, in bulk or loops, in the free state, on an intermediate device for accumulation and transport conveying the obtained wire to a downstream heat treatment unit.
  • the invention also relates to a device for implementing this method, characterized in that it consists of at least one microtexturer machine, mounted downstream of a rack and whose output delivers the wire obtained, in the free state, on an intermediate device for accumulation and transport of wire to a downstream heat treatment unit.
  • the process for texturing carpet or carpet yarns, upstream of a heat treatment unit essentially consists in producing, downstream of a rack 1, at least one yarn 2, at least one microtexturing operation by means of a microtexturer machine 3, then depositing the obtained yarn 2 'at the outlet of the microtexturer machine 3, in bulk or in loops, in the free state, on an intermediate device 4 accumulation and transport system conveying the obtained wire to a downstream heat treatment unit 5.
  • the device for implementing this method is constituted by at least one microtexturer machine 3, mounted downstream of a rack 1 and whose output delivers the wire obtained 2 ', in the free state, on an intermediate device 4 for accumulation and transport of wire to a downstream heat treatment unit 5.
  • the implementation of the method according to the invention thus allows a modification of the texturing of the son or son 2 entering the microtexturer machine 3, resulting, on the one hand, a modified arrangement of the constituent fibers in the direction of swelling of the wire and, secondly, a change in the tactile appearance of the son or son obtained 2 '. Since these wires are deposited on the intermediate device 4 for accumulation and transport, in the free state, that is to say without tension, the swelling obtained during the microtexturing treatment in the machine 3 is entirely preserved. and a significant increase in volume can be seen.
  • the heat treatment performed in the downstream heat treatment unit 5 then makes it possible to freeze the result obtained, namely to deliver, at the outlet, one or two son 2 'of much larger section and a different tactile appearance than the one incoming wires 2.
  • FIG. figure 2 of the accompanying drawings it is also possible, according to an alternative embodiment of the invention, shown in FIG. figure 2 of the accompanying drawings, to perform on the yarn (s) 2 ', at the output of the microtexturing machine 3 and before their removal, in the free state, on the intermediate device 4 for accumulation and transport, a crimping operation of said son 2 'in a curling machine or curling box 6.
  • the device according to the invention is completed by a machine or a curling box 6, interposed downstream of the microtexturer machine 3 and upstream of the intermediate device 4 for the accumulation and transport of the crimped wire (s) 2 "to a downstream heat treatment unit 5.
  • Such a curling machine or curling box 6 makes it possible to obtain a regular curling at its output and is of a type known per se.
  • a machine or box can in particular be of the type known by EP 1 323 853 B1 and present itself essentially in the form of a box to curling provided with a compaction chamber comprising drive rollers cooperating with squeegees.
  • EP 1 323 853 B1 the type known by EP 1 323 853 B1
  • other forms of machines or curling boxes are also conceivable.
  • the son which pass through the machine or the curling box 6 are assigned an initial crimp they retain at their output from said machine or curling box 6, to be deposited on the intermediate device 4 accumulation and transport.
  • the deposition of the son 2 'or 2 "obtained, either directly at the output of the microtexturer machine 3, or in the form of crimped son at the output of the machine or curling box 6 are deposited in bulk or in turns on the intermediate device 4 accumulation and transport.
  • the device 4 for accumulation and transport may be in the form of a guwear, a conveyor belt, or other, this device driving the son 2 'or 2 "without any influence on their voltage, to The result is that said son 2 'or 2 "do not undergo any influence tending to change their structure or appearance, before being transported in the heat treatment machine 5.
  • the effect of microtexturing alone or the combined effect of microtexturing and crimping can therefore be exploited optimally, that is to say to obtain 2 'or 2 "yarns having maximum swelling and maximum crimp .
  • the microtexturing operation consists in deforming the constituent filaments of the wire 2 so that they no longer extend in the direction of said wire 2 and thus cause an increase in diameter of said wire 2.
  • the wire 2 is generally made of filaments or fibers, which essentially extend, at their scale, in the same direction as the wire 2, despite a possible helicoid shape that can be given to these filaments, for example.
  • the microtexturing step then consists of deforming these filaments so that they no longer reproduce the shape of the wire 2 that they constitute, but have a less linear shape, with loops or tendrils. Each filament then occupies more volume after microtexturation than before.
  • the wire 2 consisting of these filaments disposed against each other, necessarily increases in volume, since the filaments that constitute it occupy, after microtexturation, a larger volume, because of the deformations that are made to them. Microtexturing therefore has the effect to curl the filaments constituting the wire, at their scale, without generating substantial deformation of the wire 2.
  • the microtexturer machine 3 is therefore a means capable of deforming the constituent filaments of the wire 2 so that they no longer extend in the direction of said wire 2 and thus cause an increase in the diameter of said wire 2
  • the microtexturer machine 3 consists essentially of an air texturing nozzle, capable of forming loops or tendrils in the filaments constituting the yarn 2.
  • the deformation of the constituent filaments of the yarn 2, generated by microtexturing, therefore has the effect of increasing the diameter of the yarn 2, but also of modifying the feel of the yarn 2, since its outer surface is defined by filaments which, at their scale, do not extend linearly and reproducing essentially the shape of wire 2, but have deformations, such as loops, ripples, or crimps.
  • the use of yarns obtained by the process according to the invention makes it possible to achieve substantial savings in yarns in the field of the manufacture of tufted carpets or carpets, the substantial increase in the section of the yarns, as a result of the microtexturation, resulting in a much lower density of yarn per unit area.
  • the additional treatment of curling allows, in addition, to influence the final appearance of the carpets or carpets obtained.
  • the invention it is possible to achieve a new type of synthetic son, intended for the realization of carpets or tufted carpets and whose apparent volume is considerably increased compared to the initial volume of the yarn.
  • the tactile aspect and the visual appearance are also considerably modified compared to the initial thread.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The method involves making microtexturing operation using a microtexturing machine (3) on a yarn (2) downstream of a rack (1). The yarn obtained at the outlet of the machine is deposited on an intermediate device (4) for accumulation and transport in bulk or in loops in a free state. The yarn obtained to a downstream heat treatment unit is carried. Crimping operation of the yarns in a crimping machine or crimping box is carried out on the yarn or yarns at the outlet of the machine and before yarn deposition on the intermediate device for accumulation and transport in a free state. An independent claim is also included for a device for carrying out a texturing process, comprising a microtexturing machine.

Description

La présente invention concerne le domaine de l'industrie textile, en particulier du traitement de fils pour tapis ou moquette en amont d'une unité de traitement thermique et a pour objet un procédé de texturation de fils pour tapis ou moquette, en amont d'une unité de traitement thermique.The present invention relates to the field of the textile industry, in particular the treatment of carpet or carpet yarns upstream of a heat treatment unit and relates to a carpet texturing process for carpet or carpet, upstream of a heat treatment unit.

L'invention a également pour objet un dispositif pour la mise en oeuvre de ce procédé.The invention also relates to a device for implementing this method.

La texturation des fils préalablement à un traitement thermique est une opération couramment réalisée et consiste généralement à modifier un fil provenant du filage en vue de lui conférer des propriétés différentes de celles d'origine, à savoir une augmentation de son volume, une modification de son apparence ou encore de ses caractéristiques tactiles.The texturing of the yarns prior to a heat treatment is a commonly performed operation and generally consists in modifying a yarn coming from the spinning in order to give it properties different from those of origin, namely an increase in its volume, a modification of its appearance or its tactile characteristics.

A cet effet, on connaît, par FR-A-2 359 912 , une buse de texturation d'un ou de plusieurs fils constitués par des filaments synthétiques, permettant l'obtention, en sortie de la buse, d'un fil présentant un touché soyeux comparable à celui d'un fil de laine, ce fil étant repris à la sortie de la buse, sous tension, en vue d'un traitement thermique de fixage par passage en continu dans une machine de thermofixation ou analogue. La texturation ainsi obtenue permet donc la réalisation de fils pour l'ameublement ou le textile ayant une apparence proche de celle de la laine.For this purpose, we know, for FR-A-2,359,912 , a texturing nozzle of one or more son constituted by synthetic filaments, making it possible to obtain, at the outlet of the nozzle, a yarn having a silky touch comparable to that of a wool yarn, this yarn being taken at the outlet of the nozzle, under tension, for a heat treatment for fixing by continuous passage in a heat-setting machine or the like. The texturing thus obtained thus allows the production of son for furniture or textile having a similar appearance to that of wool.

Il est également connu de procéder à un frisage des fils, qui consiste à diriger les fils entre deux rouleaux d'entraînement qui forcent lesdits fils dans un canal de compactage. Ce canal de compactage, appelé boîte à friser est généralement muni à son extrémité opposée aux rouleaux d'un clapet de retenue permettant d'assurer le compactage des fils à l'intérieur de ladite boîte à friser. Il en résulte, par une augmentation de la friction des fibres ou des fils sur les parois de la boîte de compactage, que le matériau à friser va perdre, à sa sortie des rouleaux d'entraînement, sa présentation sous forme longitudinale pour prendre une présentation ondulée générée par le frottement aval des fils sur les parois de la boîte à friser. Cette ondulation, est rendue définitive par un traitement thermique ultérieur de fixage, après dépôt des fils frisés, en boucle sur un tapis transporteur en défilement dans des machines de fixation par vaporisage ou autre. Les fils sortant alors de la machine de traitement présentent une importante modification d'aspect, due essentiellement à la frisure permanente qui leur a été conférée. De tels fils frisés sont plus spécialement adaptés à la réalisation de tapis tuftés ou de moquettes.It is also known to crimp the son, which is to direct the son between two drive rollers that force said son in a compacting channel. This compacting channel, called the curling box is generally provided at its end opposite the rollers of a check valve for compacting the son inside said box curling. As a result, by increasing the friction of the fibers or threads on the walls of the compacting box, the material to be curl will lose, at its exit from the drive rollers, its presentation in longitudinal form to take a presentation. corrugated generated by the downstream friction of the son on the walls of the curling box. This corrugation is made final by a subsequent heat treatment of fixing, after deposition of the crimped son, in a loop on a moving conveyor belt in vaporizing fixing machines or other. The son then leaving the processing machine have a significant change in appearance, due essentially to the curl which has been conferred upon them. Such curly yarns are more especially adapted to the production of tufted carpets or carpets.

La présente invention a pour objet un procédé de texturation de fils pour tapis ou moquette, en amont d'une unité de traitement thermique, permettant de modifier les caractéristiques des fils mis en oeuvre dans ce domaine et de réaliser un gain de productivité substantiel.The present invention relates to a carpet texturing method for carpet or carpet, upstream of a heat treatment unit, for modifying the characteristics of the son implemented in this area and achieve a substantial productivity gain.

A cet effet, le procédé conforme à l'invention est caractérisé en ce qu'il consiste essentiellement à réaliser, en aval d'un râtelier, sur au moins un fil, au moins une opération de microtexturation au moyen d'une machine à microtexturer, puis à déposer le fil obtenu en sortie de la machine à microtexturer, en vrac ou en boucles, à l'état libre, sur un dispositif intermédiaire d'accumulation et de transport acheminant le fil obtenu vers une unité de traitement thermique en aval.For this purpose, the process according to the invention is characterized in that it consists essentially in producing, downstream of a rack, on at least one wire, at least one microtexturing operation by means of a microtexturer machine. and then depositing the wire obtained at the outlet of the microtexturer machine, in bulk or loops, in the free state, on an intermediate device for accumulation and transport conveying the obtained wire to a downstream heat treatment unit.

L'invention a également pour objet un dispositif pour la mise en oeuvre de ce procédé, caractérisé en ce qu'il est constitué par au moins une machine à microtexturer, montée en aval d'un râtelier et dont la sortie délivre le fil obtenu, à l'état libre, sur un dispositif intermédiaire d'accumulation et de transport de fil vers une unité de traitement thermique en aval.The invention also relates to a device for implementing this method, characterized in that it consists of at least one microtexturer machine, mounted downstream of a rack and whose output delivers the wire obtained, in the free state, on an intermediate device for accumulation and transport of wire to a downstream heat treatment unit.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à des modes de réalisation préférés, donnés à titre d'exemples non limitatifs, et expliqués avec référence au dessin schématique annexé, dans lequel :

  • la figure 1 est une vue schématique d'un dispositif pour la mise en oeuvre du procédé conforme à l'invention, et
  • la figure 2 est une vue analogue à celle de la figure 1 d'une variante de réalisation de l'invention.
The invention will be better understood, thanks to the following description, which relates to preferred embodiments, given by way of non-limiting examples, and explained with reference to the appended schematic drawing, in which:
  • the figure 1 is a schematic view of a device for implementing the method according to the invention, and
  • the figure 2 is a view similar to that of the figure 1 of an alternative embodiment of the invention.

Comme le montre, à titre d'exemple, la figure 1 des dessins annexés le procédé de texturation de fils pour tapis ou moquette, en amont d'une unité de traitement thermique, conforme à l'invention, consiste essentiellement à réaliser, en aval d'un râtelier 1, sur au moins un fil 2, au moins une opération de microtexturation au moyen d'une machine à microtexturer 3, puis à déposer le fil obtenu 2' en sortie de la machine à microtexturer 3, en vrac ou en boucles, à l'état libre, sur un dispositif intermédiaire 4 d'accumulation et de transport acheminant le fil obtenu vers une unité de traitement thermique en aval 5.As shown by way of example, the figure 1 In the accompanying drawings, the process for texturing carpet or carpet yarns, upstream of a heat treatment unit, according to the invention essentially consists in producing, downstream of a rack 1, at least one yarn 2, at least one microtexturing operation by means of a microtexturer machine 3, then depositing the obtained yarn 2 'at the outlet of the microtexturer machine 3, in bulk or in loops, in the free state, on an intermediate device 4 accumulation and transport system conveying the obtained wire to a downstream heat treatment unit 5.

A cet effet, le dispositif pour la mise en oeuvre de ce procédé est constitué par au moins une machine à microtexturer 3, montée en aval d'un râtelier 1 et dont la sortie délivre le fil obtenu 2', à l'état libre, sur un dispositif intermédiaire 4 d'accumulation et de transport de fil vers une unité de traitement thermique en aval 5.For this purpose, the device for implementing this method is constituted by at least one microtexturer machine 3, mounted downstream of a rack 1 and whose output delivers the wire obtained 2 ', in the free state, on an intermediate device 4 for accumulation and transport of wire to a downstream heat treatment unit 5.

La mise en oeuvre du procédé conforme à l'invention permet ainsi une modification de la texturation du ou des fils 2 entrant dans la machine à microtexturer 3, ce qui entraîne, d'une part, une disposition modifiée des fibres constitutives dans le sens d'un gonflement du fil et, d'autre part, une modification de l'aspect tactile du ou des fils obtenus 2'. Du fait que ces fils sont déposés sur le dispositif intermédiaire 4 d'accumulation et de transport, à l'état libre, c'est-à-dire sans tension, le gonflant obtenu lors du traitement par microtexturation dans la machine 3 est entièrement conservé et une augmentation importante du volume peut être constatée. Le traitement thermique effectué dans l'unité de traitement thermique en aval 5 permet ensuite de figer le résultat obtenu, à savoir de délivrer, en sortie, un ou des fils 2' de section nettement plus importante et d'un aspect tactile différent de celui des fils entrants 2.The implementation of the method according to the invention thus allows a modification of the texturing of the son or son 2 entering the microtexturer machine 3, resulting, on the one hand, a modified arrangement of the constituent fibers in the direction of swelling of the wire and, secondly, a change in the tactile appearance of the son or son obtained 2 '. Since these wires are deposited on the intermediate device 4 for accumulation and transport, in the free state, that is to say without tension, the swelling obtained during the microtexturing treatment in the machine 3 is entirely preserved. and a significant increase in volume can be seen. The heat treatment performed in the downstream heat treatment unit 5 then makes it possible to freeze the result obtained, namely to deliver, at the outlet, one or two son 2 'of much larger section and a different tactile appearance than the one incoming wires 2.

A l'inverse, dans les traitements de microtexturation connus, une tension est exercée sur le fil pendant la totalité du traitement, de sorte qu'une rétraction partielle du fil dans le sens de sa section initiale est immédiatement induite, et que seul l'aspect tactile reste perceptible après le traitement thermique.Conversely, in known microtexturation treatments, a tension is exerted on the yarn during the entire treatment, so that a partial shrinkage of the yarn in the direction of its initial section is immediately induced, and that only the tactile appearance remains noticeable after the heat treatment.

Il est également possible, suivant une variante de réalisation de l'invention, représentée à la figure 2 des dessins annexés, d'effectuer sur le ou les fils 2', en sortie de la machine de microtexturation 3 et avant leur dépose, à l'état libre, sur le dispositif intermédiaire 4 d'accumulation et de transport, une opération de frisage desdits fils 2' dans une machine à friser ou boîte à friser 6. A cet effet, le dispositif conforme à l'invention est complété par une machine ou une boîte à friser 6, interposée en aval de la machine à microtexturer 3 et en amont du dispositif intermédiaire 4 d'accumulation et de transport du ou des fils frisés 2" vers une unité de traitement thermique en aval 5.It is also possible, according to an alternative embodiment of the invention, shown in FIG. figure 2 of the accompanying drawings, to perform on the yarn (s) 2 ', at the output of the microtexturing machine 3 and before their removal, in the free state, on the intermediate device 4 for accumulation and transport, a crimping operation of said son 2 'in a curling machine or curling box 6. For this purpose, the device according to the invention is completed by a machine or a curling box 6, interposed downstream of the microtexturer machine 3 and upstream of the intermediate device 4 for the accumulation and transport of the crimped wire (s) 2 "to a downstream heat treatment unit 5.

Une telle machine à friser ou boîte à friser 6 permet l'obtention d'une frisure régulière à sa sortie et est d'un type connu en soi. Ainsi, une telle machine ou boîte peut notamment être du type connu par EP 1 323 853 B1 et se présenter essentiellement sous forme d'une boîte à friser pourvue d'une enceinte de compactage comportant des rouleaux d'entraînement coopérant avec des racles. Cependant, d'autres formes de machines ou de boîtes à friser sont également envisageables.Such a curling machine or curling box 6 makes it possible to obtain a regular curling at its output and is of a type known per se. Thus, such a machine or box can in particular be of the type known by EP 1 323 853 B1 and present itself essentially in the form of a box to curling provided with a compaction chamber comprising drive rollers cooperating with squeegees. However, other forms of machines or curling boxes are also conceivable.

Ainsi, les fils, qui passent dans la machine ou la boîte à friser 6 sont affectés d'une frisure initiale qu'ils conservent à leur sortie de ladite machine ou boîte à friser 6, pour être déposés sur le dispositif intermédiaire 4 d'accumulation et de transport.Thus, the son, which pass through the machine or the curling box 6 are assigned an initial crimp they retain at their output from said machine or curling box 6, to be deposited on the intermediate device 4 accumulation and transport.

Le dépôt des fils 2' ou 2" obtenus, soit directement en sortie de la machine à microtexturer 3, soit sous forme de fils frisés en sortie de la machine ou boîte à friser 6 sont déposés en vrac ou en spires sur le dispositif intermédiaire 4 d'accumulation et de transport.The deposition of the son 2 'or 2 "obtained, either directly at the output of the microtexturer machine 3, or in the form of crimped son at the output of the machine or curling box 6 are deposited in bulk or in turns on the intermediate device 4 accumulation and transport.

A cet effet, le dispositif 4 d'accumulation et de transport peut se présenter sous forme d'un guindre, d'un tapis transporteur, ou autre, ce dispositif entraînant les fils 2' ou 2" sans aucune influence sur leur tension, à savoir à l'état libre. Il en résulte que lesdits fils 2' ou 2" ne subissent aucune influence tendant à modifier leur structure ou leur apparence, avant d'être transportés dans la machine 5 de traitement thermique. L'effet de la microtexturation seule ou l'effet combiné de la microtexturation et du frisage peuvent donc être exploités de manière optimale, c'est-à-dire pour obtenir des fils 2' ou 2" présentant un gonflement maximal et une frisure maximale.For this purpose, the device 4 for accumulation and transport may be in the form of a guindre, a conveyor belt, or other, this device driving the son 2 'or 2 "without any influence on their voltage, to The result is that said son 2 'or 2 "do not undergo any influence tending to change their structure or appearance, before being transported in the heat treatment machine 5. The effect of microtexturing alone or the combined effect of microtexturing and crimping can therefore be exploited optimally, that is to say to obtain 2 'or 2 "yarns having maximum swelling and maximum crimp .

Dans des modes de réalisation particuliers, et selon une caractéristique additionnelle possible, l'opération de microtexturation consiste à déformer les filaments constitutifs du fil 2 de sorte qu'ils ne s'étendent plus dans la direction dudit fil 2 et provoquent ainsi une augmentation du diamètre dudit fil 2. En effet, le fil 2 est généralement constitué de filaments ou de fibres, qui s'étendent essentiellement, à leur échelle, dans la même direction que le fil 2, malgré une éventuelle forme d'hélicoïde qui peut être donnée à ces filaments, par exemple. L'étape de microtexturation consiste alors déformer ces filaments de sorte qu'ils ne reproduisent plus la forme du fil 2 qu'ils constituent, mais présentent une forme moins linéaire, avec des boucles ou des vrilles. Chaque filament occupe alors plus de volume après la microtexturation qu'avant. Le fil 2, constitué de ces filaments disposés les uns contre les autres, augmente donc nécessairement de volume, puisque les filaments qui le constituent occupent, après la microtexturation, un volume plus grand, de part les déformations qui leur sont apportées. La microtexturation a donc pour effet de friser les filaments constituant le fil, à leur échelle, sans pour autant générer de déformation substantielle du fil 2.In particular embodiments, and according to a possible additional feature, the microtexturing operation consists in deforming the constituent filaments of the wire 2 so that they no longer extend in the direction of said wire 2 and thus cause an increase in diameter of said wire 2. Indeed, the wire 2 is generally made of filaments or fibers, which essentially extend, at their scale, in the same direction as the wire 2, despite a possible helicoid shape that can be given to these filaments, for example. The microtexturing step then consists of deforming these filaments so that they no longer reproduce the shape of the wire 2 that they constitute, but have a less linear shape, with loops or tendrils. Each filament then occupies more volume after microtexturation than before. The wire 2, consisting of these filaments disposed against each other, necessarily increases in volume, since the filaments that constitute it occupy, after microtexturation, a larger volume, because of the deformations that are made to them. Microtexturing therefore has the effect to curl the filaments constituting the wire, at their scale, without generating substantial deformation of the wire 2.

Dans ces modes de réalisation, la machine à microtexturer 3 est donc un moyen apte à déformer les filaments constitutifs du fil 2 de sorte qu'ils ne s'étendent plus dans la direction dudit fil 2 et provoquent ainsi une augmentation du diamètre dudit fil 2. Avantageusement, la machine à microtexturer 3 consiste essentiellement en une buse de texturation à air, apte à former des boucles ou vrilles dans les filaments constitutifs du fil 2.In these embodiments, the microtexturer machine 3 is therefore a means capable of deforming the constituent filaments of the wire 2 so that they no longer extend in the direction of said wire 2 and thus cause an increase in the diameter of said wire 2 Advantageously, the microtexturer machine 3 consists essentially of an air texturing nozzle, capable of forming loops or tendrils in the filaments constituting the yarn 2.

La déformation des filaments constitutifs du fil 2, générée par la microtexturation, a donc pour effet d'augmenter le diamètre du fil 2, mais aussi de modifier le toucher du fil 2, puisque sa surface extérieure est définie par des filaments qui, à leur échelle, ne s'étendent pas linéairement et en reproduisant essentiellement la forme du fil 2, mais qui présentent déformations, telles que des boucles, ondulations, ou frisures.The deformation of the constituent filaments of the yarn 2, generated by microtexturing, therefore has the effect of increasing the diameter of the yarn 2, but also of modifying the feel of the yarn 2, since its outer surface is defined by filaments which, at their scale, do not extend linearly and reproducing essentially the shape of wire 2, but have deformations, such as loops, ripples, or crimps.

Ainsi, la mise en oeuvre de fils obtenus par le procédé conforme à l'invention permet de réaliser des économies substantielles de fils dans le domaine de la fabrication de moquettes ou tapis tuftés, l'augmentation sensible de la section des fils, suite à la microtexturation, entraînant une densité bien plus faible de fils par unité de surface. Le traitement complémentaire de frisage permet, en outre, d'influer sur l'aspect final des moquettes ou tapis obtenus.Thus, the use of yarns obtained by the process according to the invention makes it possible to achieve substantial savings in yarns in the field of the manufacture of tufted carpets or carpets, the substantial increase in the section of the yarns, as a result of the microtexturation, resulting in a much lower density of yarn per unit area. The additional treatment of curling allows, in addition, to influence the final appearance of the carpets or carpets obtained.

Grâce à l'invention, il est possible de réaliser un nouveau type de fils synthétiques, destinés à la réalisation de moquettes ou de tapis tuftés et dont le volume apparent est considérablement augmenté par rapport au volume initial du fil. En outre, l'aspect tactile et l'aspect visuel sont également considérablement modifiés par rapport au fil initial.Thanks to the invention, it is possible to achieve a new type of synthetic son, intended for the realization of carpets or tufted carpets and whose apparent volume is considerably increased compared to the initial volume of the yarn. In addition, the tactile aspect and the visual appearance are also considerably modified compared to the initial thread.

Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés au dessin annexé. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiments described and shown in the accompanying drawing. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims (8)

Procédé de texturation de fils pour tapis ou moquette, en amont d'une unité de traitement thermique, caractérisé en ce qu'il consiste essentiellement à réaliser, en aval d'un râtelier (1), sur au moins un fil (2), au moins une opération de microtexturation au moyen d'une machine à microtexturer (3), puis à déposer le fil obtenu (2') en sortie de la machine à microtexturer (3), en vrac ou en boucles, à l'état libre, sur un dispositif intermédiaire (4) d'accumulation et de transport acheminant le fil (2') obtenu vers une unité de traitement thermique en aval (5).Method for texturing yarns for carpets or carpets, upstream of a heat treatment unit, characterized in that it essentially consists in producing, downstream of a rack (1), at least one yarn (2), at least one microtexturing operation by means of a microtexturer machine (3), then depositing the obtained wire (2 ') at the output of the microtexturer (3), in bulk or in loops, in the free state , on an intermediate device (4) accumulation and transport conveying the wire (2 ') obtained to a downstream heat treatment unit (5). Procédé, suivant la revendication 1, caractérisé en ce qu'il consiste à effectuer sur le ou les fils (2'), en sortie de la machine de microtexturation (3) et avant leur dépose, à l'état libre, sur le dispositif intermédiaire (4) d'accumulation et de transport, une opération de frisage desdits fils (2') dans une machine à friser ou boîte à friser (6).Method according to claim 1, characterized in that it consists in performing on the wire (s) (2 '), at the output of the microtexturing machine (3) and before they are deposited, in the free state, on the device intermediate (4) accumulation and transport, a crimping operation of said son (2 ') in a curling machine or curling box (6). Procédé suivant l'une quelconque des revendications 1 ou 2, caractérisé en ce que l'opération de microtexturation consiste à déformer les filaments constitutifs du fil (2) de sorte qu'ils ne s'étendent plus dans la direction dudit fil (2) et provoquent ainsi une augmentation du diamètre dudit fil (2).Process according to either of Claims 1 and 2, characterized in that the microtexturing operation consists in deforming the constituent filaments of the wire (2) so that they no longer extend in the direction of said wire (2) and thus cause an increase in the diameter of said wire (2). Dispositif pour la mise en oeuvre du procédé suivant la revendication 1, caractérisé en ce qu'il est constitué par au moins une machine à microtexturer (3), montée en aval d'un râtelier (1) et dont la sortie délivre le fil obtenu (2'), à l'état libre, sur un dispositif intermédiaire (4) d'accumulation et de transport de fil vers une unité de traitement thermique en aval (5).Device for carrying out the process according to Claim 1, characterized in that it consists of at least one microtexturing machine (3), mounted downstream of a rack (1) and whose output delivers the resulting wire (2 '), in the free state, on an intermediate device (4) for accumulation and transport of wire to a downstream heat treatment unit (5). Dispositif, suivant la revendication 4, caractérisé en ce qu'il est complété par une machine ou une boîte à friser (6), interposée en aval de la machine à microtexturer (3) et en amont du dispositif intermédiaire (4) d'accumulation et de transport du ou des fils frisés (2") vers une unité de traitement thermique en aval (5).Device according to Claim 4, characterized in that it is completed by a machine or a curling box (6) interposed downstream of the microtexturing machine (3) and upstream of the intermediate storage device (4) and conveying the curly yarn (2 ") to a downstream heat treatment unit (5). Dispositif selon l'une quelconque des revendications 4 ou 5, caractérisé en ce que le dispositif (4) d'accumulation et de transport se présente sous forme d'un guindre, d'un tapis transporteur, ou autre, ce dispositif entraînant les fils (2' ou 2") sans aucune influence sur leur tension, à savoir à l'état libre.Device according to any one of claims 4 or 5, characterized in that the device (4) for accumulation and transport is in the form of a guindre, a conveyor belt, or other, this device driving the son (2 'or 2 ") without any influence on their voltage, namely in the free state. Dispositif selon l'une quelconque des revendications 4 à 6, caractérisé en ce que la machine à microtexturer (3) est un moyen apte à déformer les filaments constitutifs du fil (2) de sorte qu'ils ne s'étendent plus dans la direction dudit fil (2) et provoquent ainsi une augmentation du diamètre dudit fil (2).Device according to any one of claims 4 to 6, characterized in that the microtexturer machine (3) is a means capable of deforming the constituent filaments of the wire (2) so that they no longer extend in the direction said wire (2) and thus cause an increase in the diameter of said wire (2). Dispositif selon la revendication 7, caractérisé en ce que la machine à microtexturer (3) consiste essentiellement en une buse de texturation à air, apte à former des boucles ou vrilles dans les filaments constitutifs du fil (2).Device according to claim 7, characterized in that the microtexturing machine (3) consists essentially of an air texturing nozzle, capable of forming loops or tendrils in the constituent filaments of the yarn (2).
EP11305669.1A 2010-07-26 2011-05-31 Method and device for texturing threads for rugs or carpets, upstream from a heat treatment unit Not-in-force EP2418308B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1056097A FR2963028B1 (en) 2010-07-26 2010-07-26 METHOD AND DEVICE FOR TEXTURING WIRE FOR CARPET OR CARPET, BEYOND A THERMAL TREATMENT UNIT

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EP2418308A1 true EP2418308A1 (en) 2012-02-15
EP2418308B1 EP2418308B1 (en) 2016-05-18

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US (1) US8713767B2 (en)
EP (1) EP2418308B1 (en)
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CN115613178A (en) * 2022-10-20 2023-01-17 石狮市富华纺织发展有限公司 Heat-insulating polyester yarn and production process thereof

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FR2963028B1 (en) 2013-05-03
US20120018916A1 (en) 2012-01-26
EP2418308B1 (en) 2016-05-18
US8713767B2 (en) 2014-05-06
CN102345193A (en) 2012-02-08
FR2963028A1 (en) 2012-01-27

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