EP1323853B1 - Procédé et dispositif de frisage de fils - Google Patents

Procédé et dispositif de frisage de fils Download PDF

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Publication number
EP1323853B1
EP1323853B1 EP02360336A EP02360336A EP1323853B1 EP 1323853 B1 EP1323853 B1 EP 1323853B1 EP 02360336 A EP02360336 A EP 02360336A EP 02360336 A EP02360336 A EP 02360336A EP 1323853 B1 EP1323853 B1 EP 1323853B1
Authority
EP
European Patent Office
Prior art keywords
chamber
crimping
scrapers
guiding
setting
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
EP02360336A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1323853A1 (fr
Inventor
Philippe Massotte
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.)
Superba SAS
Original Assignee
Superba SAS
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Filing date
Publication date
Application filed by Superba SAS filed Critical Superba SAS
Publication of EP1323853A1 publication Critical patent/EP1323853A1/fr
Application granted granted Critical
Publication of EP1323853B1 publication Critical patent/EP1323853B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the present invention relates to the field of the textile industry, in particular for treating threads by crimping, and relates to a method of crimping of threads.
  • the invention also relates to a device for setting work of this process.
  • the crimping of textile fibers or threads by using devices called curling boxes is carried out according to a known method.
  • This method consists in directing the wires to be curled between two drive rollers which force said wires into a compaction channel.
  • This channel of compaction is generally provided at its end opposite to the rollers a check valve to ensure the compaction of the wires to the inside of the curling box.
  • the valve or similar retaining device has intended to increase the friction of fibers or threads on the walls of the compacting box to the point where the material to be curled will lose, at its output from the drive rollers, its presentation in longitudinal form to take a wavy presentation generated by the downstream friction of wires on the walls of the curling box.
  • the crimp obtained is called primary crimp and this crimp can be very regular, but if the compaction chamber has a volume or unsuitable geometry, the primary crimp will tend to turn into a secondary crimp which will have the effect of compacting the material differently and, therefore, will tend to disappear the crimp regular primary.
  • curling boxes use a fluid thermal, namely steam, for the production of all or part of the crimp.
  • This vapor is then injected through orifices located on the walls from the compaction chamber so that the material to be crimped tends to be kicked out of the curling box.
  • Curling machines implementing such a method are notably known from FR-A-2 652 359 and US-A-5 647 109. In these machines, it is impossible to create and maintain the regular crimp of fibers or yarns, because the geometry of the compacting box and / or the heat treatment system cause its destruction.
  • the object of the present invention is to overcome these drawbacks by proposing a method and a device for crimping wires allowing obtaining a perfectly regular crimp, without crimp formation secondary or parasitic.
  • the wire crimping process is characterized in that that it consists essentially in passing the wires through a first zone compacting a crimping box, to obtain a regular crimp, then to realize, in a second area having a free space delimited on at least one side thread ribbon, a prefix for regular crimping obtained, as well as a guide of the latter, up to the exit of the box curl, using the prefixing fluid.
  • the invention also relates to a device for setting work of this process, in the form of a curling box provided a compaction enclosure comprising drive rollers cooperating with doctor blades and a pre-fixing and wire guiding enclosure crimped, characterized in that the cross-section of the compaction enclosure is adjustable and in that the prefixing and guiding enclosure has a section larger than that of the ribbon of crimped threads obtained, the space or spaces additional delimited around said ribbon being in relation to means for delivering the fixing fluid.
  • Figure 1 of the accompanying drawings shows, by way of example, a device for the crimping of fibers or textile threads in the form of a curling box provided with an enclosure of compaction 1 comprising rollers 2 for driving cooperating with doctor blades 3 ( Figures 3 and 4) and an enclosure 5 for fixing and guiding the wires curly 6.
  • this device implements a process which essentially involves passing the wires 4 through a first compaction zone of a curling can, to obtain a regular crimp 6, then to perform, in a second zone 5, having a 5 'free space delimited on at least one side of the ribbon of wires, a prefixing regular crimp 6 obtained, as well as guiding of the latter, up to the outlet of the curling can, through the fluid prefixing.
  • the adjustment and the initial crimping are carried out by retaining the end of the fibers or threads engaged in the curling box, downstream of the enclosure compaction 1.
  • the fibers or threads which pass between the rollers 2 and which are pushed between the doctor blades 3, are first retained in the prefixing and guiding enclosure 5 in order to achieve a crimp initial corresponding to the desired crimp characteristics.
  • the duration retaining fibers or yarns for the start of the crimping of a ribbon is determined according to the mechanical properties of the fibers or son and those of the desired crimp and are advantageously listed on a table or abacus allowing rapid adjustment of the curling box for each type of textile fiber or yarn.
  • the prefixing of the regular crimp 6 obtained, as well as the guiding of this last, up to the exit of the curling box are made by means of the prefixing fluid which acts on at least part of the section of the crimped ribbon obtained, in a free space of the prefixing and guiding.
  • the device which present in the form of a curling box is characterized in that the section of the compaction enclosure 1 is adjustable and in that the enclosure 5 of prefixing and guiding has a section larger than that of the ribbon crimped yarn 6 obtained, the additional space or spaces delimited around of said ribbon 6 being in relation to the means for delivering the fluid fixing.
  • the means of adjustment 7 allowing the mutual approximation of the doctor blades 3 is shown at FIG. 4 of the appended drawings in the form of a threaded element with reverse pitch, but may very well be in the form of a pair of cylinders ordered in synchronism or an articulated linkage bringing the scrapers apart and spreading them apart 3.
  • the means 8 which is intended to carry out the displacement of the entry doctor blades in the direction of the drive rollers 2 or in the opposite direction of these drive rollers 2, is simply shown in Figure 4 by a center line and can also be either in the form of a screw drive and nut acting on a guide and support means common to the doctor blade 3, either individual and synchronized doctor blades.
  • the spacing adjustment of the doctor blades 3 and the adjustment of the latter relative to the drive rollers 2 are performed by a centralized control element synchronizing the two adjustment movements. Indeed, it is necessary to perform simultaneously or almost simultaneously adjusting the opening of the doctor blades 3 and their positioning relative to the drive rollers 2, in order to be able to quickly have an optimum setting of these.
  • the compaction enclosure 1 leads to the enclosure 5 of prefixing and guiding the regular crimp 6 obtained, which has a inner cross section greater than that of said crimp 6 and which is provided on its internal faces with means for delivering the fixing fluid, in the form of nozzles or the like, not shown.
  • the internal section of the enclosure 5 is arranged so as to delimit on at at least one side of the ribbon of crimped threads 6 obtained a free space 5 ′, of any geometry.
  • This space 5 allows an expansion of the fluid of prefixing without the latter exerting strong pressure on the ribbon of wires crimps 6, this pressure being, however, sufficient to guide so dynamic said ribbon in enclosure 5, that is to say to promote its progression in said enclosure towards the exit of the latter on a conveying or receiving device 9 (FIG. 1).
  • the internal section of the enclosure 5 can be of the regular polygon type or irregular and delimit a space 5 'only on one side of the ribbon of crimped wire 6 or on two sides of this ribbon.
  • the internal section of the enclosure 5 will have a conformation such that spaces 5 'in height slightly less than the height of the ribbon of crimped threads 6 are delimited by on either side of said ribbon 6 to press their edges against the corners of the latter ( Figures 8 to 11).
  • the section of the ribbon of crimped yarn can also be adjustable in height by providing, at the doctor blades 3, means of sliding guide movable between said doctor blades, in the direction of their vertical axis.
  • a vertical axis of doctor blades which in fact correspond to the direction of the axes of the rollers 2.
  • this notion of verticality of the doctor blades is only intended to explain the positioning and movement of means for adjusting the height of the ribbon of crimped threads 6 relative to the width of this ribbon, it being understood that the curling box can as well present an orientation of the axes of the vertical drive rollers, than a horizontal orientation.
  • the device is further provided at the end of the prefixing and guiding enclosure 5 opposite to that connected to the compacting enclosure 1, a means 10 for retaining fibers or yarns at the start of a crimping operation.
  • This means 10 can advantageously be constituted in the form of a valve (FIG. 5) mounted in front of the outlet of said enclosure 5 and which can be actuated by via a motorization device not shown, the opening and closing is preferably carried out via a programmable controller and / or by a command to manual impulse.
  • a motorization device can in particular be in the form of a rotary actuator or of an actuator acting on the axis of the valve by through a lever or even in the form of an electric motor not step by step.
  • the programmable controller capable of controlling such a valve is also of a type known to those skilled in the art and can, for example, take into account pre-established digital data by setting learning. So, it suffices, firstly, to realize for each type of product used a prior crimping test, in order to determine the adjustment characteristics enabling values to be obtained desired crimping depending on the title of the product to be treated and the speed of scrolling the wires and plotting this data on a table or chart, to then simply program the machine according to the data of product and final material to be obtained.
  • the pre-setting can, for example example, be made by actuating the valve 10 by means of a manual impulse control.
  • valve 10 At the start of a wire or fiber crimping operation, the machine starts automatically with valve 10 in the closed position for a predetermined period corresponding to the production of a crimp initial primary corresponding to the crimp to be obtained, then said valve 10 is automatically opened and the crimping operation can continue normally.
  • the upper and lower walls of the containment prefixing and guiding 5 can advantageously be equipped with a integrated heating, electric or hot fluid circulation means.
  • the transparent wall may be provided, in addition, with a optical means for monitoring the product obtained cooperating with a electronic comparison device.
  • a optical means for monitoring the product obtained cooperating with a electronic comparison device Such an installation of opto-electronic surveillance, which uses known means of the skilled person is not described in more detail. This installation allows to carry out checks by comparison with data stored in an electronic memory and, in conjunction with a programmable controller or with a computerized control and central control to act on the operating parameters of the machine.
  • the invention it is possible to crimp wires in a curling box with perfect control of the regularity of the crimp, the latter being exposed during part of its passage in the box to curl with a prefixing fluid simultaneously providing guidance dynamic of the ribbon of crimped wires up to the exit of the crimping box, this in using at least one space occupied only by the prefixing.
  • the geometry of the enclosure 5 for prefixing and guidance makes it possible to perfectly preserve the primary crimp generated in the compaction chamber 1.
  • the invention also allows, by implementation specially ordered during the crimping of the valve 10 forming the means retainer, to achieve an irregular crimp, namely primary and secondary, as is possible with known curling machines currently.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP02360336A 2001-12-21 2002-12-06 Procédé et dispositif de frisage de fils Expired - Lifetime EP1323853B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0116757 2001-12-21
FR0116757A FR2833974B1 (fr) 2001-12-21 2001-12-21 Procede et dispositif de frisage de fils

Publications (2)

Publication Number Publication Date
EP1323853A1 EP1323853A1 (fr) 2003-07-02
EP1323853B1 true EP1323853B1 (fr) 2004-12-01

Family

ID=8870908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02360336A Expired - Lifetime EP1323853B1 (fr) 2001-12-21 2002-12-06 Procédé et dispositif de frisage de fils

Country Status (4)

Country Link
EP (1) EP1323853B1 (zh)
CN (1) CN1432676A (zh)
DE (1) DE60202122T2 (zh)
FR (1) FR2833974B1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7534379B2 (en) * 2004-06-25 2009-05-19 Celanese Acetate Llc Process of making cellulose acetate tow
US7425289B2 (en) * 2004-06-25 2008-09-16 Celanese Acetate Llc Process of making cellulose acetate tow
JP2006120530A (ja) * 2004-10-22 2006-05-11 Tyco Electronics Amp Kk 圧接装置
CN101838871B (zh) * 2009-12-28 2012-06-13 宁波荣溢化纤科技有限公司 卷曲机冷却装置、卷曲机及丝条卷曲方法
FR2963028B1 (fr) 2010-07-26 2013-05-03 Superba Sa Procede et dispositif de texturation de fils pour tapis ou moquette, en amont d'une unite de traitement thermique
CN116497495B (zh) * 2023-06-30 2023-09-22 江苏恒力化纤股份有限公司 一种段彩起绒纱及其制备方法和装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT247511B (de) * 1964-01-22 1966-06-10 Elitex Zavody Textilniho Stauchkammer einer Maschine zum Kräuseln von Kunstfaserbändern
NL252137A (zh) * 1964-01-25
US3587145A (en) * 1969-06-19 1971-06-28 Bancroft & Sons Co J Crimping apparatus with heating and cooling cage
DE1816028C3 (de) * 1968-12-20 1982-06-09 Vepa AG, 4125 Riehen, Basel Vorrichtung zum Kräuseln von synthetischen Fadenscharen
US3636149A (en) * 1969-12-22 1972-01-18 Ici Ltd Crimping of yarn
GB1415655A (en) * 1972-01-31 1975-11-26 Platt Saco Lowell Ltd Sutbber-box crimping apparatus
US3911539A (en) * 1972-12-29 1975-10-14 Phillips Petroleum Co Method for crimping synthetic thermoplastic fibers
GB1555530A (en) * 1976-09-09 1979-11-14 Ici Ltd Process for the production of haet set crimped yarn
DE3631905A1 (de) * 1986-09-19 1988-03-31 Bayer Ag Stauchkammerkraeusel und verfahren zur herstellung von gekraeuselten synthetischen fasern
DE69313957T2 (de) * 1992-07-30 1998-04-09 Hoechst Celanese Corp Vorrichtung zum Kräuseln eines Faserstranges und zum Aufbringen von Finish auf den Faserstrang
DE4320303C1 (de) * 1993-06-18 1995-02-16 Rhodia Ag Rhone Poulenc Mehrfachbreiter Faserstreifen sowie ein Verfahren und eine Vorrichtung zu dessen Herstellung
US5647109A (en) * 1995-09-26 1997-07-15 American Suessen Corporation Yarn texturing device including a stuffer box channel with circumferetially closed cross section
US6134758A (en) * 1999-03-22 2000-10-24 Wellman, Inc. Method of producing improved crimped polyester fibers

Also Published As

Publication number Publication date
DE60202122D1 (de) 2005-01-05
DE60202122T2 (de) 2005-12-01
FR2833974B1 (fr) 2004-02-13
CN1432676A (zh) 2003-07-30
FR2833974A1 (fr) 2003-06-27
EP1323853A1 (fr) 2003-07-02

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