WO2009086646A1 - Procédé de fabrication d'une mèche - Google Patents

Procédé de fabrication d'une mèche Download PDF

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Publication number
WO2009086646A1
WO2009086646A1 PCT/CH2008/000547 CH2008000547W WO2009086646A1 WO 2009086646 A1 WO2009086646 A1 WO 2009086646A1 CH 2008000547 W CH2008000547 W CH 2008000547W WO 2009086646 A1 WO2009086646 A1 WO 2009086646A1
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WO
WIPO (PCT)
Prior art keywords
roving
self
yarn
vorgarnfaserbänder
producing
Prior art date
Application number
PCT/CH2008/000547
Other languages
German (de)
English (en)
Inventor
Christian Griesshammer
Original Assignee
Maschinenfabrik Rieter Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter Ag filed Critical Maschinenfabrik Rieter Ag
Publication of WO2009086646A1 publication Critical patent/WO2009086646A1/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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D02G3/28—Doubled, plied, or cabled threads
    • D02G3/286—Doubled, plied, or cabled threads with alternatively "S" and "Z" direction of twist, e.g. Self-twist process
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins

Definitions

  • the invention relates to: a. a method of producing a rough-twisted roving for further processing into a yarn or spun yarn in a fine spinning machine according to the preamble of independent claim 1; b. an apparatus for producing a Vorgarnes according to the preamble of the independent claim 7; c. a method for producing a yarn or spun yarn by means of a fine spinning machine using a roving according to the preamble of independent claim 15; and d. a fine spinning machine for producing a yarn or spun yarn from a roving according to the preamble of independent claim 23.
  • Said roving sliver is usually a flyer sliver, which is produced by means of a wing spinning process. Accordingly, flyer-lunts always have a rotation, which is much lower than that in a yarn.
  • the rotation in the flyer roving is a purely protective rotation, which gives the roving a certain strength, so that it can wind up on a roving bobbin without any distortions and be removed from it again.
  • the roving sliver should be fed to the drafting of a fine spinning machine without Fehlverzzug.
  • the present invention is therefore based on the object a method for producing a roving with protective rotation for further processing into a yarn or spun yarn in a fine spinning machine, an apparatus for producing an aforementioned roving, a method for producing a yarn or spun yarn by means of a fine spinning machine using an aforementioned roving and to propose a fine spinning machine for producing a yarn from an aforesaid roving, the processes and the associated devices being distinguished from the production and processing of flylunts by the following improvements: a simpler machine concept in the production of the roving;
  • A. Method of making a roving with protective rotation The method for producing a roving with protective rotation for further processing into a yarn or spun yarn in a fine spinning machine is characterized by the following steps: a. Providing two, preferably untwisted, roving fiber ribbons; b. Imparting S and Z turns over alternating portions of the two roving fiber ribbons, portions of S and Z turns on the roving ribbons being separated by areas of no rotation; v c. Merging the two provided with S and Z rotations Vorgarnmaschinebs to a roving self-twist, wherein the two Vorgarnmaschineb selected automatically twist together due to their tendency to reverse.
  • the roving is thus produced according to a self-twisting process.
  • two roving fiber ribbons with S and Z turns are combined to form a roving self-twist, the twisting being in turn made up of alternating S and Z turns which are interrupted or separated from each other by alternating regions without collapse.
  • the rotation is given at the so-called delivery point.
  • the roving fiber tape is alternately given, over its length, areas of opposite rotation, the so-called S and Z turns.
  • the S and Z rotations also called false twist, are preferably generated mechanically. This can be z.
  • Example by means of two elements which hold the roving clamped, wherein at least one element, preferably both elements, the Vorgarnmaschineband by a relative movement on the surface of Vorgarnmaschinebandes transverse to Faserband- longitudinal direction on both sides alternately opposite rotations (S, Z Rotation), wherein the roving fiber ribbon is simultaneously conveyed in the direction of sliver direction.
  • the S, Z rotations can also be generated by means of an aerodynamic, in particular pneumatic method.
  • the two Vorgarnmaschinebs can be performed by a common or by synchronously operating false twist elements, so that the side by side running Vorgarnmaschinebsn synchronously an S or Z rotation is supplied. Accordingly, the rotation-free areas of the delivery point leaving Vorgarnmaschineb selected are next to each other, ie in phase.
  • Vorgarnmaschineband be interrupted by changing areas without rotation or are separated from each other.
  • the two Vorgarnmaschineb provided in the same way with S and Z turns are then brought together in the so-called merger point.
  • the roving fiber ribbons start to turn together automatically, ie. H. they wind each other over.
  • This roving of the rovings maintains the S, Z turns in each individual roving ribbon so that a self-stabilizing bicomponent roving structure results.
  • This roving structure has a higher strength compared to a non-twisted roving fiber ribbon, which is sufficient to wind the yarn on a bobbin without unevenness and to unwind it again.
  • the point of fusion of the two Vorgarnmaschineb is in the fiber conveying direction at a distance from the delivery point of the respective Vorgarnmaschinebandes.
  • the two roving fiber ribbons are preferably guided relative to one another between their points of delivery and the common point of union, so that the regions without rotation of the individual roving fiber ribbons in the twisted roving self-twist have a phase difference. That the areas without rotation in the first roving are always offset longitudinally from the areas without rotation in the second roving, so that there are never two areas adjacent to each other without rotation of the first and second rovings in the roving self-twist.
  • the strength of the twisted roving self-twist depends essentially on the phase position of the areas without rotation of the two rovings.
  • the rovings are therefore, as described above, preferably always brought together so that their areas without rotation are out of phase.
  • This phase difference can z. B. be adjusted by the first roving fiber ribbon is guided such that this from the delivery point to the Ver ein Trentstician in fiber flow direction travels another way than the second Vorgarnmaschineband.
  • the roving fiber tape is preferably made from a stretch belt. This can be obtained for example from a can template.
  • the route band is z. B. produced in a standard Regulierrange.
  • the stretched strip is preferably stretched in a drafting system into a roving fiber ribbon prior to rotation.
  • a job are therefore two link belts, z. B. from cans, fed and stretched in a common or in two separate drafting to Vorgarnmaschinebän- the.
  • the two Vorgarnmaschineb can also be made from an originally common, but divided at the job site conveyor belt.
  • the conveyor belts are fed and stretched in the process direction through the drafting system.
  • the roving fiber ribbons leaving the drafting system in the process direction are subsequently fed to the delivery point of a common false twist element or in each case one false twist element assigned to the individual roving fiber ribbon.
  • the roving fiber ribbon is given a false twist.
  • the two twisted roving fiber slivers are fed in the process direction to the point of fusion and twisted there to a roving self-twist.
  • the roving self-twist is then fed in the process direction of a winding device and wound onto a spool. On the spool z. B. a cross or parallel winding can be created. A combination of the two windings is also possible.
  • Vorgarn emotions By winding the roving self-string on a spool in a winding device larger Vorgarn emotions can be compared to conventional flyer roving bobbins created become.
  • the circumference of the roving body is no longer limited by the wing size or other limiting factors of the wing spinning process.
  • the roving bobbin can be created in a coil position with horizontally oriented coil axis.
  • the apparatus for producing a roving produced by the above-mentioned method is characterized by: a. Means for generating alternating S and Z turns in a roving ribbon; b. Means for merging two Vorgarnmaschineb selected with S and Z rotation under automatic, zwirnGermanm Caribbeanfan the two Vorgarnmaschine- bands.
  • the device preferably further includes means for winding the roving self-string on a bobbin tube.
  • This device is preferably a Vorgarnspul noticed.
  • the Vorgarnspul shark is preferably designed to create roving with cross and / or parallel winding.
  • the roving bobbin device preferably contains a roving laying device that can be changed along the axis of rotation of the rotatable bobbin.
  • the roving-laying device expediently contains a traversable along the axis of rotation of the spool yarn guide, with z. B. a press finger, by means of which the roving to be deposited on the bobbin roving self-twisting along the axis of rotation of the coil can be varied.
  • the means for generating alternating S and Z turns are preferably mechanical false twist elements, such as Nitschelwalzen or Nitschelhosen with Riemchenlauf. Furthermore, the means for generating alternating S and Z turns may also comprise aerodynamic false twist elements, in particular air twisting rotary devices, in which the S and Z rotations are fluid-dynamic or be issued pneumatically via one or more selectively guided fluid or gas streams.
  • the apparatus for producing the roving preferably includes a drafting system for warping an incoming stretch band to a roving fiber ribbon.
  • Drafting can z. B. be a conventional Doppelriemchenstreckwerk.
  • the drafting system can have one, two or more draft zones.
  • the delay zones are each bounded by driven roller pairs, which form clamping lines for the sliver.
  • Riemchenstrecktechnik at least one of the pairs of rollers by straps, which are guided over Riemchen Kofige and / or Umlenkmaschinen are wrapped.
  • a common or separate drafting can be provided at a job.
  • the apparatus for producing the roving may further comprise means for guiding the slivers between the respective delivery point and the point of fusion, such.
  • the guide means may be provided for one or both of the roving fiber ribbons.
  • the guide means are preferably designed in such a way that the two preforming fiber ribbons, starting from the delivery points assigned to them, cover a path of differing length relative to each other to the common point of unification in order to achieve the desired phase difference between the two Vorgarnmaschinebs.
  • the device according to the invention for producing the roving preferably contains a plurality of workstations arranged in a machine longitudinal direction, each of which produces a roving self-twist.
  • the roving self-twisting yarn is preferably fed to the spinning unit or spinning units of the fine spinning machine by pre-yarn bobbins held in the fine spinning machine.
  • the roving bobbins are preferably held in a corresponding holder in the fine spinning machine.
  • the roving bobbin can z. B. be supported with horizontally or vertically aligned coil axis in the creel. Since a roving bobbin each contains two twisted roving fiber ribbons, a roving bobbin feeds two spinning stations each in view of the production of a conventional yarn. If a spun yarn is to be produced, then a roving bobbin feeds in each case a spinning station.
  • the spinning station fed roving self-twist is biased in a prestressing device before it is fed to a first (main) default zone of a drafting system.
  • both the roving self-twist and the S, Z turns are dissolved in the two roving fiber ribbons resulting from the dissolved roving self-twist.
  • the roving self-twist is preferably guided in the transport direction through a first clamping point or line of a first, preferably driven roller pair in a bias field.
  • the first pair of rollers defines the upper one in the transport direction or first boundary of the header field.
  • both the roving self-twist and the S, Z turns in the two roving fiber ribbons resulting from the dissolved roving self-twist are resolved.
  • the two Vorgarnfaserb selected are guided in the transport direction separately by a second clamping point or line of a second, driven roller pair by clamping, the second pair of rollers defines the lower or second boundary of the bias field in the transport direction.
  • the roving self-twist experiences a bias between the nip lines of the first and second roller pairs.
  • the bias is achieved in that the second pair of rollers rotates slightly faster than the first pair of rollers.
  • the bias of the roving self-twist is such that the self-twist rotation is released and the two roving ribbons are separated.
  • the S, Z turns also dissolve in the roving fiber ribbons.
  • the fibers of the two Vorgarnmaschineb selected are preferably aligned parallel to each other in the conveying direction.
  • the fiber ribbons can be guided in the Vorspannfeld. So z. B. a Riemchen- leadership be provided in the Vorspannfeld.
  • the prestressing may also include a slight pre-stretch in which the respective roving fiber ribbon is slightly stretched, which promotes the parallel orientation of the fibers. This default can z. B. be a 1- to 5-fold advance.
  • the second pair of rollers preferably corresponds to the inlet roller pair in the or a first main drafting zone of the drafting system.
  • the two Vorgarnmaschinebs used a dissolved roving self-string are conveniently next to each other, preferably parallel to each other, by a common or two separate drafting (s) out and stretched.
  • the two roving fiber ribbons guided next to one another are used to produce a conventional yarn separately in each case associated with a job twisting device fed and spun out of a spin barrier gap formed by a pair of rollers to a yarn.
  • the two roving fiber ribbons conveyed next to one another are directly or indirectly connected to the drafting system, i. output of a formed by a roller pair Drehsperrspaltes and fed to a common twisting device.
  • a known, preferably pneumatic, compression device can be arranged downstream of the drafting system.
  • the fine or final spinning process may be a ring spinning, hopper spinning, pot spinning or air jet spinning process.
  • the fine spinning machine for making a yarn or spun yarn made by the above-described method using a roving prepared by the above-described method is characterized by a drafting means provided for biasing the roving ribbon and disintegrating the self-twisting rotation, separating the two roving ribbons and dissolving the S and Z turns in the Vorgarnmaschineb selected and preferably for parallelization of the fibers in the two Vorgarnmaschinebs.
  • the means for biasing the roving fiber ribbon may comprise a first, preferably driven pair of rollers having a first nip line for nip yarn roving and a second nip driven pair with a second nip line for clamping the two separate roving ribbons, with a roving tenter or nip between the two pairs of rolls Vorverzugs Suite is formed.
  • the second pair of rollers preferably corresponds to the inlet roller pair in the or a first main drafting field.
  • the inventive fine spinning machine preferably includes a plurality of arranged in a machine longitudinal direction jobs or spinning stations.
  • the Fine spinning machine may be a ring spinning, funnel spinning, pot spinning or air spinning machine.
  • the invention is particularly preferably suitable for processing staple fibers, in particular staple fibers having a cotton content of greater than 0% to and including 100%.
  • the staple fibers can be combed and / or carded.
  • the fibers can be short, short to medium, short to long, medium, medium to long or long staple fibers.
  • a single Vorgarnmaschineband a roving self-twisting z. B. have the same fineness, as a conventional flyer fuses. However, it is also conceivable that said Vorgarnmaschineband has a smaller or greater fineness than a conventional flyer sliver.
  • the single roving fiber ribbon of a roving self-twist preferably has a fineness of 0.1 ktex to 2 ktex. That is, the roving self-twist of the two Vorgarnmaschinebs has here in the sum of a fineness of 0.2 ktex to 4 ktex.
  • the roving self-twist has a fineness in the range of today's roving lunten, namely from 0.1 ktex to 2 ktex.
  • the individual Vorgarnmaschineb have in this case according to a fineness of 50 to 1000 tex.
  • the two Vorgarnmaschinebs for a roving self-string may have the same or a different fineness.
  • FIG. 1 shows a partial view of an apparatus for producing a roving
  • FIG. 2 shows a further partial view of an apparatus for producing a roving
  • FIG. 3 shows a further partial view of an apparatus for producing a roving
  • FIG. 4 shows a view of a spinning machine according to the invention for processing the roving according to the invention
  • Fig. 5 two in-line rugs according to the invention
  • Fig. 6 two out of phase juxtaposed rovings according to the invention.
  • Fig. 1 shows a partial view of a first embodiment of the apparatus for producing a Vorgarnes.
  • a workstation 1 of the roving device two belt conveyors 3 a, 3 b are supplied.
  • the conveyor belts 3a, 3b are bsp. manufactured in a Regulierrange.
  • the two conveyor belts 3 a, 3 b are fed to a common or two separate drafting units 4 of the workstation 1 and z. B. stretched to a roving or flyergrone usual roving fineness.
  • the drafting 4 may be a conventional single or Doppelriemchenstrecktechnik, as z. B. is already used today in flyers.
  • the drawn roving fiber ribbons 5a, 5b are passed through a nitschel device 6, i. Nitschelwalzencru 6a, 6b, out, which is designed as a false twist device 6.
  • the Nitschel device 6 has two substantially cylindrical and axially parallel arranged Nitschelwalzen 6a, 6b.
  • the Nitschelwalzen 6a, 6b rotate on the one hand in opposite directions to each other about their axes of rotation, which are arranged parallel to each other.
  • the drawn roving fiber slivers 5a, 5b are conveyed through the slipping rollers 6a, 6b.
  • the two Nitschelwalzen 6a, 6b oscillate relative to each other in the axial direction 12 between two limit positions.
  • the drawn drawn roving fiber ribbons 5a, 5b are twisted, thus obtaining rotation.
  • the drawn fiber slivers receive an S twist and in the opposite oscillation direction a Z twist.
  • the rovings 7a, 7b which emerge separately from the nitschel device 6 are distinguished by alternating S and Z rotations which pass through regions without rotation or separated by areas of lesser rotation. The areas mentioned are in phase next to each other (see also Fig. 5).
  • Fig. 2 shows a partial view of the self-twisting device of an inventive device for producing a Vorgarnes.
  • the rovings 7a, 7b are hereafter called first 7a and second 7b roving.
  • the first roving 7a is fed from the point of delivery directly to the point of union 13 at the first guide roller 8a.
  • the second roving 7b is guided, after passing through its associated second guide roller 8b, around a deflection roller 9 and directed onto the first guide roller 8a associated with the first roving 7a.
  • the two rovings 8a, 8b are brought together on the first deflection roller 8a at the junction 13 and turn automatically to a self-twist against each other.
  • the second roving 7b sets, starting from the false twisting device to the junction 13 with the first roving 7a, a further way back than the first roving 7a.
  • the guide rollers 8a, 8b and the guide roller 9 are now arranged and geometrically designed so that the roving 7b comes to lie at the junction 13 with a phase shift ⁇ to the first roving 7a to this.
  • the magnitude of the phase shift preferably corresponds to the phase shift ⁇ described in connection with FIG.
  • the led away from the junction 13 roving self-twisting 10 is fed to a winding device, which the roving self-string z. B. winds on a cheese.
  • Fig. 3 shows a partial view of a second embodiment of the apparatus for producing a Vorgarnes.
  • Two conveyor belts 3a, 3b are fed to a work station 21 of the roving device from two conveyor belt cans or another suitable container or from a reel (not shown).
  • the conveyor belts 3a, 3b are bsp. manufactured in a Regulierrange.
  • the two conveyor belts 3 a, 3 b are fed to a common or two separate drafting units 24 of the workstation 21 and z. B. stretched to a roving or flyergrone usual roving fineness.
  • the drafting system 24 may be a conventional single or Doppelriemchenstrecktechnik, as z. B. is already used today in flyers.
  • the drawn fiber slivers 5a, 5b are guided by a respective pneumatic false twist device 26a, 26b.
  • the slivers 5a, 5b receive here their S, Z turns by means of one or more air nozzles, which one or more (the sliver) spurting Gas, Generate air currents.
  • the twisting occurs in such a way that the sliver 5a, 5b is provided with alternating regions with S and Z turns, which are separated from each other by areas without rotation or by areas with less rotation.
  • the two rovings 7a, 7b with alternating S and Z turns are subsequently brought together at the junction 32, where they automatically rotate against each other to form a self-twist roving 10.
  • the two rovings 7a, 7b can be guided via guide rollers 28a, 28b.
  • the self-twist roving 10 is then wound on a cross-wound bobbin 31 by means of a roving laying device 29.
  • the self-twist roving 10 according to the first embodiment of FIG. 1 can be wound in the same way on a cross-wound bobbin.
  • the two pneumatic false-twist devices 26a, 26b each for a roving fiber belt 7a, 7b, can operate synchronously or asynchronously with one another.
  • the two rovings 7a, 7b emerging from the respective false-twist device 26a, 26b have no phase shift of their S, Z turns.
  • a device according to FIG. 2 can be provided.
  • the two rovings 7a, 7b emerging from the false twist device 26a, 26b already have a phase shift of their S, Z rotations.
  • the two rovings 7a, 7b can be supplied to the joining point 32 over equally long distances.
  • FIG. 4 schematically shows two spinning stations 41a, 41b of a ring spinning machine according to the invention for producing a spun twist from in each case one roving self-twisting thread 10a, 10b.
  • the roving self-twisting yarn 10a, 10b is unwound from bobbins, in particular cross-wound bobbins 42a, 42b, which are attached to corresponding holders in the ring spinning machine and fed to a pretensioning zone.
  • the coils are aligned horizontally according to the embodiment with their coil axes. However, the coil axes can also be aligned vertically.
  • the biasing zone is formed by a first pair of rollers 43 and a second pair of rollers 48, each having a nip for the roving self-string 10a, 10b and the Vorgarnfaserb selected 44a, 44b; 45a, 45b form.
  • the roving self-twisting yarn 10a, 10b is guided by the first pair of rollers 43 in the biasing zone.
  • At least the second pair of rollers 48, preferably both pairs of rollers 43, 48 are driven.
  • the second pair of rollers 48 has a somewhat higher speed than the first pair of rollers 43, so that the roving self-twisting yarn 10a, 10b lying between the two pairs of rollers 43, 48 is biased.
  • the bias then causes the twist of the self-twist to dissolve and the roving self-string 10a, 10b to dissolve into a first 44a, 45a and second 44b, 45b roving.
  • the S, Z turns in the two rovings 44a, 45a; 44b, 45b dissolved and the fibers are aligned in the transport direction, in particular parallelized, so that a fiber strand is conveyed with oriented in the direction of transport fibers, preferably parallel aligned fibers, without rotation in the adjoining to the biasing zone drafting 49.
  • the second pair of rollers 48 of the biasing zone may also be the inlet roller pair to the drafting system 49 at the same time.
  • the drafting system 49 is preferably a double-belt drafting system.
  • the two of a roving self-string 10a; 10b dissolved rovings 44a, 45a; 44b, 45b are each guided in parallel side by side by the drafting system 49 and by a pair of rollers 50 forming a rotational locking gap following the drafting system. Starting rotational locking gap, the two stretched slivers 47a, 47b merged and screwed via a ring-rotor system to a spinning bobbin 51, 52 and wound on a yarn carrier 53a, 53b.
  • a mechanical or pneumatic compacting device may be arranged between the drafting device 49 and the rotational locking gap (not shown).
  • the drafting device 49 for the two spinning stations contains a common load carrier, which carries the pairs of twin top rollers corresponding to the drafting sub-rollers.
  • a roving bobbin supplies in each case two adjacent spinning stations. That instead of two coils according to FIG. 4, only one coil 42a is provided.
  • the two first and second rovings 44a, 44b released from the roving self-twisting yarn 10a are guided parallel to each other through the drafting system 49, the first, drawn roving 44a, after leaving the drafting system 49, being fed to a first spinning station 53a and to a first yarn and the second , drawn roving 44b after leaving the drafting system 49 fed to a second spinning station 53b and spun into a second yarn.
  • the drafting system 49 also contains here for the two spinning stations a common load carrier, which carries the respective corresponding to the drafting sub-rollers Zwillingsoberwalzencrue.
  • FIGS. 5 and 6 the phase shift of two adjacent rovings 71a, 71b is shown by means of a schematic illustration.
  • FIG. 5 shows two parallel adjacent rovings 71a, 71b with corresponding S and Z turns.
  • the regions 70a, 70b without rotation face each other, i. in phase.
  • Fig. 6 shows the initial arrangement of the rovings 81a, 81b which is preferred for producing a high strength roving auto-twist.
  • the phase difference between the unrotated portions of the rovings 81a, 81b is denoted by ⁇ .
  • the value ⁇ is essential for the strength and depends inter alia on the nature of the starting material.

Abstract

L'invention concerne un procédé de fabrication d'une mèche (10) avec une torsion d'assemblage pour le traitement en un fil ou un retors (51, 52) dans un métier de filature fine, un dispositif de fabrication d'une mèche (10), un procédé de fabrication d'un fil ou d'un retors (51, 52) au moyen d'un métier de filature fine en utilisant une mèche (10), et un métier de filature fine pour fabriquer un fil ou un retors par fausse torsion (51, 52). Selon l'invention, la mèche (10) est fabriquée au moyen d'un procédé d'auto-torsion.
PCT/CH2008/000547 2008-01-11 2008-12-19 Procédé de fabrication d'une mèche WO2009086646A1 (fr)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012108613A1 (de) * 2012-09-14 2014-03-20 Maschinenfabrik Rieter Ag Spinnstelle einer Vorspinnmaschine
WO2015170155A1 (fr) 2014-05-08 2015-11-12 Maschinenfabrik Rieter Ag Machine textile servant à la production de mèches et procédé de démarrage de la production de mèche sur une machine textile correspondante
WO2015170156A1 (fr) 2014-05-08 2015-11-12 Maschinenfabrik Rieter Ag Machine textile et procédé pour faire fonctionner une telle machine
WO2015170157A1 (fr) 2014-05-08 2015-11-12 Maschinenfabrik Rieter Ag Machine textile servant à la production de mèche et procédé pour faire fonctionner une telle machine textile
WO2015181600A1 (fr) 2014-05-26 2015-12-03 Maschinenfabrik Rieter Ag Machine de préparation de filature
WO2015181598A1 (fr) 2014-05-26 2015-12-03 Maschinenfabrik Rieter Ag Procédé permettant de faire fonctionner une machine textile et machine textile servant à produire une mèche
WO2015181597A1 (fr) 2014-05-26 2015-12-03 Maschinenfabrik Rieter Ag Machine de préparation de filature

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US4206589A (en) * 1977-11-09 1980-06-10 Platt Saco Lowell Limited Formation of a self twist fibrous structure
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DE102012108613A1 (de) * 2012-09-14 2014-03-20 Maschinenfabrik Rieter Ag Spinnstelle einer Vorspinnmaschine
US10472740B2 (en) 2014-05-08 2019-11-12 Maschinenfabrik Rieter Ag Textile machine and method for operating same
WO2015170156A1 (fr) 2014-05-08 2015-11-12 Maschinenfabrik Rieter Ag Machine textile et procédé pour faire fonctionner une telle machine
WO2015170157A1 (fr) 2014-05-08 2015-11-12 Maschinenfabrik Rieter Ag Machine textile servant à la production de mèche et procédé pour faire fonctionner une telle machine textile
WO2015170155A1 (fr) 2014-05-08 2015-11-12 Maschinenfabrik Rieter Ag Machine textile servant à la production de mèches et procédé de démarrage de la production de mèche sur une machine textile correspondante
US10533267B2 (en) 2014-05-08 2020-01-14 Maschinenfabrik Rieter Ag Textile machine for the production of roving and method for operating the same
US10563326B2 (en) 2014-05-08 2020-02-18 Maschinenfabrik Rieter Ag Textile machine for producing roving and method for starting the roving production on a corresponding textile machine
WO2015181600A1 (fr) 2014-05-26 2015-12-03 Maschinenfabrik Rieter Ag Machine de préparation de filature
WO2015181598A1 (fr) 2014-05-26 2015-12-03 Maschinenfabrik Rieter Ag Procédé permettant de faire fonctionner une machine textile et machine textile servant à produire une mèche
WO2015181597A1 (fr) 2014-05-26 2015-12-03 Maschinenfabrik Rieter Ag Machine de préparation de filature
US10329693B2 (en) 2014-05-26 2019-06-25 Maschinenfabrik Rieter Ag Spinning preparation machine
US10378126B2 (en) 2014-05-26 2019-08-13 Maschinenfabrik Rieter Ag Spinning preparation machine
US10683188B2 (en) 2014-05-26 2020-06-16 Maschinenfabrik Rieter Ag Method for operating a textile machine, and textile machine for producing roving

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