EP1146151B1 - Procédé et dispositif de filage et de frisage d'un fil multifilamentaire - Google Patents

Procédé et dispositif de filage et de frisage d'un fil multifilamentaire Download PDF

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Publication number
EP1146151B1
EP1146151B1 EP01107822A EP01107822A EP1146151B1 EP 1146151 B1 EP1146151 B1 EP 1146151B1 EP 01107822 A EP01107822 A EP 01107822A EP 01107822 A EP01107822 A EP 01107822A EP 1146151 B1 EP1146151 B1 EP 1146151B1
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EP
European Patent Office
Prior art keywords
bundles
yarn
filament
bundle
partial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01107822A
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German (de)
English (en)
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EP1146151B2 (fr
EP1146151A3 (fr
EP1146151A2 (fr
Inventor
Mario Maranca
Frank Bäcker
Hans-Rochus Gross
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Saurer GmbH and Co KG
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Publication date
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Publication of EP1146151A3 publication Critical patent/EP1146151A3/fr
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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
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
    • 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
    • D02G1/122—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes introducing the filaments in the stuffer box by means of a fluid jet
    • 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

Definitions

  • the invention relates to a method for spinning and crimping a multifilament yarn according to the preamble of claim 1 and to an apparatus for carrying out the method according to the preamble of claim 10.
  • a crimped yarn For producing a crimped yarn, it is known to extrude a filament bundle consisting of a plurality of strand-like filaments from a thermoplastic melt by means of a spinning device.
  • the filament bundle is crimped after cooling by means of a crimping device.
  • the individual filaments of the filament bundle are deformed into loops and sheets, so that the thread formed from the filament bundle has a crimp.
  • the crimping device can be formed, for example, as a texturing nozzle in which the filament bundle is dammed up by means of a conveying medium to form a yarn plug. Upon impact of the filament bundle on the yarn plug thus produce the desired loops and bows of individual filaments.
  • the filament bundle is guided through a hot medium and at the same time heated, so that a plastic deformation in the individual filaments of the filament bundle can take place. After cooling the yarn plug this is transferred by peeling in a crimped yarn, which is then wound up on a spool.
  • the crimping of the thread in its intensity and stability in this case by the change in shape of the individual filaments, ie when using a texturing, by the plug formation and by the thermal treatment affected the thread plug.
  • the temperature and the pressure of the conveyor and the residence time of the yarn plug during the thermal treatment that significantly affect the crimping result.
  • DE 196 13 177 discloses a method and a device in which the filaments of the filament bundle guided to form a yarn plug are guided through an extremely long cooling section prior to dissolution to the crimped thread.
  • the filaments of the filament bundle guided to form a yarn plug are guided through an extremely long cooling section prior to dissolution to the crimped thread.
  • this object is achieved in that the filament bundle is divided into several sub-bundles before crimping, that each sub-bundle is crimped separately and that the sub-bundles are brought together after crimping to the thread.
  • the invention has also not been suggested by the known methods and devices of EP 0 861 931 and EP 0 784 109, as the known methods and devices relate exclusively to the production of a composite thread of a plurality of partial threads.
  • Each of the threads is different in its polymer, its color and / or its treatment.
  • Each partial thread is formed in each case from a filament bundle.
  • Each bundle of filaments receives an individual treatment.
  • the inventive method and the device according to the invention is designed to produce a thread from a filament bundle of a monochrome polymer melt.
  • the invention is characterized in particular by the fact that the crimped thread receives a high crimp, which is increased over conventional crimped threads by at least 10%.
  • the high crimping causes a particularly large bulk of the thread, which is particularly characteristic of yarns for the production of carpets.
  • the process variant according to claim 2 is preferably used.
  • the number of filaments of each sub-beam is substantially equal and each sub-beam is crimped under substantially the same conditions.
  • the development of the invention in which a texturing nozzle is used for crimping, is characterized in particular by the fact that the residence time for the treatment of the yarn plug is substantially increased without reducing the spinning speed.
  • each sub-beam is pretreated under the same conditions.
  • the sub-bundles could receive at least one aftertreatment.
  • the post-treatment is carried out under the same conditions, so that the filament strands of the crimped yarn have substantially the same properties.
  • the division of the filament bundle can be carried out both after the cooling of the filament bundle and before the cooling of the filament bundle. In the latter case, the separation of the filament bundle is achieved by a division within the spinneret. For dividing the spinneret, however, it would also be possible to provide two spinnerets arranged directly next to one another, each of which is supplied with a melt of a polymer.
  • a device with the features of claim 10 is proposed.
  • the division of the filament bundle is made in several sub-bundles by a release agent, which is arranged in the yarn path in front of the crimping device.
  • the crimping device consists of several identical texturing agents, each sub-bundle being associated with one of the texturing agents.
  • a bonding agent is provided between the crimping device and the winding device.
  • the release agent may be formed by a plurality of yarn guides, which are arranged within the cooling device or between the cooling device and the crimping device. However, it is also possible to form the release agent by a nozzle pitch, which is formed within the spinning device.
  • Texturing nozzles are preferably used as texturing means, in which the sub-bundle is guided via a delivery channel to a stuffer box in which the filaments are popped up to form a thread stopper. Due to the division of the filament bundle is achieved that due to the reduced number of individual filaments, a higher degree of loop and arches formation within the yarn plug can be achieved.
  • the yarn plugs can be guided for cooling on the circumference of a cooling drum.
  • Such cooling drums have a radial flow of cooling air, which penetrates the adjacent to the circumference of the cooling drum thread plug for cooling. This uniform and intensive cooling of all parallel to the circumference of the cooling drum thread stopper is achieved until reaching the dissolution point.
  • a swirling nozzle is preferably used, which leads the sub-bundles together in a thread channel, which is acted upon by an air jet such that the individual filaments of the sub-bundles engulf each other.
  • the invention is not limited to the individual treatment steps nor to the mentioned treatment agents, since the division and the equal treatment during the crimping of the sub-bundles and the merging of all filaments into one thread are essential for the method.
  • a first embodiment of a device according to the invention for carrying out the method according to the invention is shown schematically.
  • the device has a spinning device 1, which is connected via a melt feed 2 to a melt generator, for example a pump or an extruder (not shown here).
  • the spinning device 1 has on the underside at least one spinneret 3.
  • the spinneret 3 has a plurality of nozzle bores through which the melt supplied to the spinning device 1 are extruded under pressure to a plurality of individual filaments of a filament bundle 5.
  • a cooling device 4 is provided, through which the filament bundle 5 is guided, so that the emerging at approximately melt temperature filament strands are cooled.
  • the cooling device 4 is shown here by way of example as a cross-flow blowing, in which a cooling air is blown substantially transversely to the filament bundle 5.
  • a release agent 6 is arranged in the outlet region of the cooling device 4.
  • the release agent 6 has two yarn guides 20.1 and 20.2, by which the filament bundle 5 is divided into two substantially equal part bundle 7.1 and 7.2.
  • the crimping device 8 has two texturing means, which is designed as a texturing nozzle 9 with two conveying channels 10.1 and 10.2 arranged parallel to one another and two compression chambers 11.1 and 11.2 formed parallel to one another.
  • a pumped medium is introduced from the outside under pressure at high speed, so that acts on the respectively guided in the delivery channel 10 sub-bundle 7, a tensile force in the thread running direction.
  • the compression chambers 11.1 and 11.2 are outside of the texturing 9 extended by concentric pipe sections 27.1 and 27.2 for guiding the yarn plugs 12.1 and 12.2.
  • the crimping device 8 is followed by a composite means 13.
  • the composite means 13 is formed in the embodiment as a swirling nozzle 14.
  • the Verwirbelungsdüse 14 has a thread channel 15, in which the sub-beams 7.1 and 7.2 are performed together.
  • a compressed air jet is introduced substantially transversely to the thread running direction of the sub-bundle, so that takes place within the thread channel 15 an intensive turbulence of the individual filaments of the sub-beams 7.1 and 7.2.
  • the thread 16 formed by the sub-beams 7.1 and 7.2 is withdrawn from a take-up device 17.
  • the crimped thread 16 is wound into a coil 18.
  • a thermoplastic melt is fed through the melt supply 2 of the spinning device 1.
  • the melt consists of a polymer, for example of a polyester, a polyamide or a polypropylene.
  • components may be added to the melt to produce, for example, a monochrome thread.
  • the melt is extruded via the spinneret 3 under pressure to the filament bundle 5.
  • the filaments of the filament bundle 5 are divided by the separating means 6 into two substantially equal partial bundles 7.1 and 7.2.
  • the sub-beams 7.1 and 7.2 by the Thread guides 20.1 and 20.2 out.
  • the sub-bundle 7.1 is fed into the drafting nozzle 9 via the conveying channel 10.1.
  • the sub-bundle is retracted 7.2 through the conveyor channel 10.2 in the Texutierdüse 9.
  • the sub-bundle 7.1 is dammed to the yarn plug 12.1 in the stuffer box 11.1.
  • the sub-bundle 7.2 is dammed parallel to the yarn plug 12.2 in the stuffer box 11.2.
  • the introduced to the delivery channels 10.1 and 10.2 conveying medium, preferably compressed air, under the same conditions, in particular under the same pressure and the same temperature supplied, so that each of the sub-bundles is dammed under the same conditions to a yarn plug.
  • the individual filaments of the partial bundles 7.1 and 7.2 are deposited and compacted in loops and sheets.
  • the yarn plug 12.1 and 12.2 can be heated within the stuffer box 11.1 and 11.2.
  • the yarn plugs 12.1 and 12.2 are dissolved at the end of the staggered by the pipe sections 27.1 and 27.2 compression chambers 11.1 and 11.2, wherein the sub-beams have 7.1 and 7.2 crimped individual filaments.
  • the sub-beams 7.1 and 7.2 are brought together and swirled within the swirl nozzle 14 to a thread 16.
  • the thread 16 is wound in the winding device 17 to the coil 18.
  • a thread is produced whose individual filaments have a very uniform and intensive crimping.
  • Such threads are characterized by a crimp, which are compared to known methods by 10 to 20% higher.
  • the crimping of the filaments can be improved by pretreating the partial bundles 7.1 and 7.2 before crimping.
  • a pretreatment 19.1 and 19.2 of the crimping device 8 is arranged upstream in the embodiment shown in FIG.
  • the pre-treatment means 19.1 and 19.2 could, for example, be formed by a further swirling nozzle. It is essential here that the partial bundles 7.1 and 7.2 each receive the same pretreatment, so that the thread 16 likewise receives a uniform filament structure.
  • FIG. 2 shows a further exemplary embodiment of the device according to the invention for carrying out the method according to the invention.
  • the components of the same function are provided with identical reference numerals.
  • the device has a spinning device 1, which is connected via at least one melt feed 2 with a melt generator.
  • a spinneret 3 and a release agent 6 are arranged on the underside of the spinning device.
  • the release agent 6 is formed as a nozzle pitch 21 in the spinneret 3, through which a division of the filament bundle 5 is achieved.
  • the spinneret 3 thus extrudes a plurality of filaments, which are extruded in equal parts in a sub-beam 7.1 and a sub-beam 7.2.
  • a cooling device 4 is provided, which is identical to the previous example. In that regard, reference is made to the previous embodiment.
  • the crimping device 8 has two texturing agents 9.1 and 9.2.
  • the texturing means 9.1 and 9.2 are each designed as a separate texturing nozzle, each having a thread channel and a stuffer box.
  • the sub-beams 7.1 and 7.2 are heated immediately prior to formation of the yarn plug.
  • a hot medium could be used in the texturing 9.1 and 9.2. Both partial bundles 7.1 and 7.2 are heated to a substantially identical temperature.
  • the texturing means 9.1 and 9.2 are followed by a cooling drum 22.
  • the cooling drum 22 has on the circumference two parallel running tracks 23.1 and 23.2.
  • the tracks 23.1 and 23.2 are permeable to air, so that an air stream formed in the interior of the cooling drum 22 is guided radially outwardly through the thread plugs 12.1 and 12.2 guided in the tracks 23.1 and 23.2.
  • both yarn plugs 12.1 and 12.2 are cooled uniformly.
  • the partial bundles 7.1 and 7.2 are drawn off by a withdrawal means 24 and a composite means 13 supplied.
  • the withdrawal means 24 could be formed for example by a driven galette.
  • the partial bundles 7.1 and 7.2 are brought together to form the thread 16.
  • the thread 16 is withdrawn by a conveyor 13 downstream of the conveyor means 25 and guided to the take-up device 17.
  • the crimped thread 16 is then wound into a coil 18.
  • the composite could also be formed as a swirling nozzle. It is particularly advantageous if the conveyor 25 leads the sub-beams 7.1 and 7.2 with flow to the composite means 13 in order to obtain an intensive mixing of the individual filaments of the sub-beams 7.1 and 7.2. To improve the mixing of the individual filaments within the thread 16, a further treatment of the thread in the form of a swirling could take place immediately before the winding. For this purpose, a Verwirbelungsdüse 26 is shown in dashed lines in Fig. 2 in the yarn running direction immediately before the winding device 17.
  • FIG. 1 and 2 for carrying out the method are exemplary in their arrangement and their choice of components.
  • further pre-treatment or post-treatment steps may be introduced to obtain, for example, stretching or partial stretching of the sub-bundles or thread.
  • the shape changes of the filaments of the sub-beams can be generated by texturing in the form of twist or Zwirngebern.
  • the division of the filament bundles into two sub-bundles is exemplary. To intensify the crimping more than two sub-bundles can be parallel curled next to each other and then merged into a thread. It is essential here that the treatment of the partial bundles is carried out under the same conditions in order to obtain a filament having a uniform filament structure from a polymer melt.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Claims (15)

  1. Procédé de filage et de frisage d'un fil multifilaire, dans lequel un faisceau de filaments consistant en une multiplicité de filaments en forme de torons est extrudé à partir d'un matériau fondu thermoplastique, refroidi, frisé et enroulé en tant qu'un fil en une bobine, caractérisé en ce qu'avant le frisage le faisceau de filaments est divisé en plusieurs faisceaux partiels, en ce que chaque faisceau partiel est frisé séparément et en ce qu'après le frisage les faisceaux partiels sont réunis pour former le fil.
  2. Procédé selon la revendication 1, caractérisé en ce que le nombre des filaments de chaque faisceau partiel est sensiblement égal et en ce que chaque faisceau partiel est frisé sous des conditions sensiblement pareilles.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que pour le frisage chaque faisceau partiel est refoulé en un bouchon de fils par respectivement une buse de texturation, en ce que les bouchons de fils sont défaits séparément l'un de l'autre en respectivement un faisceau partiel frisé et en ce qu'après le débrouillement des bouchons de fils les faisceaux partiels sont réunis en un fil.
  4. Procédé selon la revendication 3, caractérisé en ce que les faisceaux partiels sont chauffés à l'intérieur de la buse de texturation et en ce que les bouchons de fils sont refroidis à l'extérieur de la buse de texturation.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce qu'après le refroidissement et avant le frisage chacun des faisceaux partiels est soumis à au moins un prétraitement.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce qu'après le frisage et avant la réunion chacun des faisceaux partiels est soumis à au moins un traitement ultérieur.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'après le refroidissement ou durant le refroidissement le faisceau de filaments est divisé en au moins deux faisceaux partiels égaux.
  8. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu'avant le refroidissement le faisceau de filaments est divisé en au moins deux faisceaux partiels égaux.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que les faisceaux partiels sont réunis en un fil par un tourbillonnement.
  10. Dispositif pour la mise en oeuvre du procédé selon l'une des revendications 1 à 9, avec une installation de filage (1) pour filer une multiplicité de filaments en forme de torons d'un faisceau de filaments (5), avec une installation de refroidissement (4) pour refroidir les filaments, avec une installation de frisage (8) pour friser les filaments et avec une installation d'enroulement (17) pour embobiner un fil (16) en une bobine (18), caractérisé en ce qu'un moyen de séparation (6) pour diviser le faisceau de filaments (5) en plusieurs faisceaux partiels (7.1, 7.2) est prévu dans le trajet du fil en amont de l'installation de frisage (8), en ce que l'installation de frisage (8) a une pluralité de moyens de texturation (9) agencés parallèlement de manière adjacente, dans quel cas un des moyens de texturation (9) est associé à chaque faisceau partiel (7) et en ce qu'un moyen de raccordement (13) pour réunir les faisceaux partiels (7.1, 7.2) est agencé entre l'installation de frisage (8) et l'installation d'enroulement (17).
  11. Dispositif selon la revendication 10, caractérisé en ce que le moyen de séparation (6) est formé par plusieurs guide-fil (20.1, 20.2) qui sont agencés à l'intérieur de l'installation de refroidissement (4) ou entre l'installation de refroidissement (4) et l'installation de frisage (8).
  12. Dispositif selon la revendication 10, caractérisé en ce que le moyen de séparation (6) est formé par une division de la buse (21) qui est réalisée à l'intérieur de l'installation de filage (1).
  13. Dispositif selon l'une des revendications 10 à 12, caractérisé en ce que les moyens de texturation (9) sont réalisés comme au moins une buse de texturation avec un canal convoyeur (10) par faisceau partiel et un bac à refoulement (11) par faisceau partiel, dans quel cas pour générer plusieurs bouchons de fils les bacs à refoulement (11) sont agencés parallèlement de manière adjacente.
  14. Dispositif selon la revendication 13, caractérisé en ce que les buses de texturation (9.1, 9.2) sont suivies d'un tambour réfrigérant (22) qui pour chaque bouchon de fils (12.1, 12.2) a une piste de guidage (23.1, 23.2) réalisée sur la circonférence.
  15. Dispositif selon l'une des revendications 10 à 14, caractérisé en ce que le moyen de raccordement (13) est réalisé comme une buse à tourbillonnement (14) qui guide communément les faisceaux partiels (7.1, 7.2) dans un canal de fil (15) soumis à l'action d'un jet d'air.
EP01107822.7A 2000-04-11 2001-04-06 Procédé et dispositif de filage et de frisage d'un fil multifilamentaire Expired - Lifetime EP1146151B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10017916 2000-04-11
DE10017916 2000-04-11

Publications (4)

Publication Number Publication Date
EP1146151A2 EP1146151A2 (fr) 2001-10-17
EP1146151A3 EP1146151A3 (fr) 2003-10-01
EP1146151B1 true EP1146151B1 (fr) 2006-07-19
EP1146151B2 EP1146151B2 (fr) 2013-05-08

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Country Link
US (1) US6378180B2 (fr)
EP (1) EP1146151B2 (fr)
AT (1) ATE333525T1 (fr)
DE (2) DE10110601A1 (fr)

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WO2016170509A1 (fr) * 2015-04-24 2016-10-27 Iropa Ag Procédé et dispositif pour produire un fil synthétique multifilament serti
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USD873127S1 (en) 2018-07-26 2020-01-21 Shawn Michael Genenbacher Removable clamp for decorative lights
CN110106565B (zh) * 2019-06-20 2024-01-23 苏州金泉新材料股份有限公司 短纤维熔融纺丝用的u形环吹风冷却装置
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DE3617248C2 (de) * 1985-08-30 1995-05-24 Barmag Barmer Maschf Verfahren zum Herstellen eines Kompositfadens aus Chemiefasern
JP3386219B2 (ja) * 1994-03-03 2003-03-17 帝人ファイバー株式会社 ポリエステル混繊糸の製造方法
JP3095942B2 (ja) * 1994-04-25 2000-10-10 帝人株式会社 ポリエステル混繊糸の製造方法
CA2194843A1 (fr) * 1996-01-12 1997-07-13 Hans-Joachim Weiss Methode et appareil pour produire un fil multicolore a partir de fils composants de filaments de couleurs differentes
FR2745011B1 (fr) * 1996-02-20 1998-03-13 Icbt Roanne Machine pour la realisation d'un fil mixte par assemblage de deux fils textures par fausse torsion
US5804115A (en) † 1996-12-13 1998-09-08 Basf Corporation One step, ready-to-tuft, mock space-dyed multifilament yarn
EP0861931B1 (fr) 1997-02-26 2001-12-19 Maschinenfabrik Rieter Ag Procédé et dispositif pour la production d'un fil d'au moins à deux composants
EP1035238B1 (fr) † 1999-03-10 2004-10-20 Saurer GmbH & Co. KG Dispositif de filage

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ATE333525T1 (de) 2006-08-15
EP1146151B2 (fr) 2013-05-08
EP1146151A3 (fr) 2003-10-01
US6378180B2 (en) 2002-04-30
DE50110470D1 (de) 2006-08-31
US20010038159A1 (en) 2001-11-08
DE10110601A1 (de) 2001-10-25
EP1146151A2 (fr) 2001-10-17

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