EP3027792B1 - Métier à filer avec dispositif de fausse torsion - Google Patents

Métier à filer avec dispositif de fausse torsion Download PDF

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Publication number
EP3027792B1
EP3027792B1 EP14744089.5A EP14744089A EP3027792B1 EP 3027792 B1 EP3027792 B1 EP 3027792B1 EP 14744089 A EP14744089 A EP 14744089A EP 3027792 B1 EP3027792 B1 EP 3027792B1
Authority
EP
European Patent Office
Prior art keywords
belt
spinning machine
thread
machine according
drafting
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.)
Not-in-force
Application number
EP14744089.5A
Other languages
German (de)
English (en)
Other versions
EP3027792A1 (fr
Inventor
Gerd Stahlecker
Karlheinz Huber
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.)
Maschinenfabrik Rieter AG
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 EP3027792A1 publication Critical patent/EP3027792A1/fr
Application granted granted Critical
Publication of EP3027792B1 publication Critical patent/EP3027792B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/28—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by inserting twist during drafting
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/72—Fibre-condensing guides
    • 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
    • D01H7/923—Spinning or twisting arrangements for imparting transient twist, i.e. false twist by means of rotating devices

Definitions

  • the present invention relates to a spinning machine, in particular ring spinning machine, with a plurality of juxtaposed units, each unit a drafting device for warping a sliver with a drafting provided at the drafting line for the sliver, a spinning device for rotating the warped sliver to a thread and a between the Clamping line and the spinning device arranged false twisting device, wherein the false twisting device has at least one driven belt which extends substantially transverse to the thread and the thread two opposite strands of the belt / s in particular z- or s-shaped wraps around and between the drafting and the spinning device arranged false twist device of substantially transverse to the thread and these contacting friction surfaces, which is grown on a spinning machine to obtain a generic spinning machine.
  • a spinning machine in which between a drafting device, on which the sliver is warped and a coil on which the sliver is wound, a false twist device is arranged.
  • the false twist device is according to an embodiment of the local disclosure of a single belt, which is driven by a drive device. Upper and lower run of a belt are driven in opposite directions. The yarn contacted the two Riementrums either punctiform ( FIG. 4 ), when the belts are arranged directly next to each other.
  • the straps are spaced apart and extend substantially vertically one above the other in the opposite direction. The thread wraps in this embodiment, the belt with an angle of about 90 °.
  • the false twist device is formed from a single belt.
  • the two Beltrums have the same amount of speed, but they are in the opposite direction. While in these embodiments, the influence of the false twist device by different shapes, speeds or arrangements of the two belt pulleys of the single belt is very limited, is provided in the further embodiment of Figure 8 or in the embodiment of Figure 9, a false twist device with two belts. In this case, however, the belts are arranged in a circle, wherein the thread is located between the two belts. Although this arrangement is variable, but it is limited to a single spinning station and thus implement very complicated to a spinning machine structurally. However, the arrangement of the false twist device on the machine and its influence or the influence of other devices on the quality of the yarn is not described in detail.
  • EP-A1-0,161,787 shows an apparatus according to the preamble of claim 1.
  • the object of the present invention is to provide a spinning machine and a false twist device with which a plurality of spinning units of a spinning machine can be operated.
  • the false twist device for the spinning machine should be easy to retrofit to an existing spinning machine without such a false twist device and be very flexible in their application.
  • the quality of the spun yarn should be very good and interruptions due to a thread break should be only a few.
  • the object is also that a yarn with high tensile strength and very low rotation per meter can be spun.
  • the object is achieved with a spinning machine according to claim 1.
  • the spinning machine according to the invention has a plurality of juxtaposed spinning units.
  • a suitable spinning machine is for example, a ring spinning machine.
  • Each spinning unit includes a drafting device for warping a sliver and a spinning device for twisting the warped sliver into a yarn.
  • a false twist device is arranged between the drafting and the spinning device.
  • the false twist device is arranged between the nip line on the drafting system exit and the spinning device.
  • the false twist device has at least one driven belt, which runs essentially transversely to the thread.
  • the thread wraps around two opposing Riementrums in particular z- or s-shaped.
  • the two opposing beltrums can come from either a single belt or two separate belts. It is essential that they are driven in the opposite direction and thus can bring a twist in the thread.
  • the velocity vectors of the belts which are friction surfaces for the yarn, are substantially opposite to one another and extend approximately transversely to the longitudinal axis in the direction of travel of the yarn.
  • the belt (s) are preferably made of plastic material. They can have different cross sections.
  • the belt rums are in particular z- or s-shaped looped around by the thread, so that the two rotate the thread against each other against oppositely directed components of movement of the belt rums. Due to the fact that the two friction surfaces act on both sides of the thread through the Z-shaped or S-shaped looping thread, the twisting of the thread or of its outer fibers is effected.
  • a compacting device is associated with the drafting device for compacting the drawn thread.
  • the compacting device is arranged between the main drafting zone of the drafting system and the false twisting device.
  • the compacting device is arranged either on the pair of delivery rollers of the drafting system or following the pair of delivery rollers of the drafting system. Between the Output roller pair and the compactor usually takes place no delay. However, it is not excluded that a slight delay is provided.
  • the drafting system is assigned a compacting device, then preferably there is a nip line for the sliver in the area of the compacting device.
  • the compacting causes the coming out of the actual drafting, warped sliver is summarized before it is fed to rotate the spinning device of the spinning machine.
  • Advantageous embodiments of the compacting device have a pressure roller for generating a nip at the drafting system output. This last nip line before leaving the drafting system serves as a measure of the distance to the first belt of the false twisting device.
  • the belt rim first contacted by the thread has a distance of between 20 and 130 mm from the nip line.
  • the false twist device is then at a distance, ie a radius between 20 and 130 mm away from the compacting device or the nip of the sliver in the compacting device.
  • this distance is important in order to ensure efficient rotation up to the spinning triangle.
  • the yarn can thereby be spun with high tear strength at very low rotation per meter, ie with a very low twist coefficient. at An arrangement outside this range can be expected with a more unstable spinning or with a poorer yarn.
  • the vertical distance of the underside of the first contacted strand from the bottom of the lower output element of the drafting system is between 0 and 80 mm.
  • the wrap angle can be more than 90 °.
  • this measure also ensures that the false twisting device and the spinning unit are sufficiently accessible, for example, for maintenance work.
  • the horizontal distance of the first contacted Riementrums of the lower output element of the drafting system is between 0 and 80 mm. Again, this range of dimensions is chosen such that the accessibility and the wrap of the belt are obtained in an advantageous manner.
  • a distance between 0 and 80 mm has been found to be advantageous, while in a conventional drafting without compacting a distance between 10 and 80 mm is more advantageous.
  • the dimensions of the vertical and horizontal distance of the first strand contacted by the lower output element of the drafting system refer in each case to conventional components of the drafting and commercially available lower output elements.
  • the stretching field plane is the plane passing through the contact lines of the drafting rollers. With the pitch plane inclined by 45 ° to the horizontal, the plane passing through the belt spans is horizontal, and thus horizontal, if the corresponding angle between the belt plane and the stretching field plane is 45 °.
  • the thread is guided in such a way and the false twisting device is arranged such that it wraps around at least one of the two belt rims by more than 90 °, preferably by more than 110 °.
  • the second Riementrum is substantially in the same horizontal plane as the first Riementrum and the thread is then further withdrawn obliquely down from the false twist device. Due to the high wrap around the false twist effect is particularly well introduced into the thread.
  • the belt first contacted by the yarn belt of the thread at an angle between 100 ° and 200 °, preferably wrapped between 140 ° and 180 ° and / or the then contacted by the yarn belt runner is of the thread at an angle between 90 ° and 180 °, preferably between 110 ° and 140 °.
  • the lower output element of the drafting system is preferably a lower cylinder extending over several drafting systems.
  • a relatively inexpensive spinning machine can be built.
  • the output element of the drafting system is a compacting device.
  • the compacting device is thus directly integrated into the drafting system. This allows a small design of the drafting and the compactor.
  • the compacting device has an evacuated sieve strap. Above the sieve strap is arranged a pressure roller which clamps the compacted sliver between the pressure roller and the sieve strap.
  • the compacting device may also have an evacuated screen roller. On the screen roller in turn press rollers, which clamp the fiber ribbon and thus form a nip, from which the distance to the first belt rim is measured.
  • a mechanical compressor is provided.
  • the mechanical compressor cooperates with the pair of delivery rollers of the drafting system without the need for suction.
  • the pair of output rollers forms the said nip line in this case.
  • the invention also relates to a false twisting device with belt and a drive device having the aforementioned features, which is adapted to be mounted on a spinning machine to provide a spinning machine according to one or more of the preceding claims.
  • FIG. 1 the schematic representation of a spinning unit 1 of a spinning machine 10 is partially shown.
  • An output roller pair 2 of a drafting system 20, not shown here provides a thread 3.
  • the thread 3 is a first plastic belt 4 and then a second Plastic belt 5 deflected. Subsequently, the thread 3 passes through a twist stop 6 and a ring traveler 7 and is subsequently wound onto a spool 8.
  • the first plastic belt 4 and the second plastic belt 5 form a false twist device 9.
  • the first plastic belt 4 and the second plastic belt 5 have an opposite direction of movement.
  • the yarn is deflected to the running direction until the two friction forces are in balance.
  • the thread tensions F 11 and F 12 and F 21 and F 22 are different.
  • the contact pressure of the thread on the one Riementrum is different to the other Riementrum.
  • the thread is so much more taken from the Riementrum on which he rests stronger, assuming it is similar belt 4 and 5.
  • the contact pressure on the thread ballon between the twist stop 6 and ring traveler 7 closer strand is highest.
  • the belt of this strand moves so that the true rotation is amplified by the false twist generated by the belt.
  • Between belt 4 and drafting roller 2 usually more rotations are introduced, as then later in the finished yarn on the cop or the coil 8 are present.
  • FIG. 2 the plan view of a spinning machine 10 is shown, in which a plurality of spinning units 1 is arranged. For reasons of clarity, not all spinning units are provided with the reference numeral 1.
  • the belts 4 and 5 are shown interrupted to indicate that the spinning machine 10 can be significantly longer.
  • the two plastic belts 4 and 5 surround the spinning machine 10 such that all spinning units 1 are enclosed by the two belts 4 and 5.
  • Each of the belts 4 and 5 is driven by a separate motor 11 and 12 and each with a drive roller 15.
  • pulleys 13 are arranged.
  • the pulleys 13 or other, not shown here devices can be provided for clamping and / or positioning of the belt 4 and 5.
  • the motors 11 and 12 independently drive the belts 4 and 5, the setting of the speeds is individually selectable. This allows optimal rotation initiation into the yarn.
  • Various support pressures of the thread 3 on the belt 4 and belt 5 can thereby be compensated or realized.
  • different belts 4 and 5 can be used. They can differ in their cross-section, their coefficient of friction or abrasion behavior. Also, they can be clamped differently, so as to vary the effect on the thread 3.
  • the belt speeds v 1 and v 2 which are opposite to each other, can also be varied.
  • the belt 4 can not run around the entire machine as shown here, but rather be designed per side of the machine or in sections or for another section.
  • the inner belt 5 may also revolve around the entire machine while the outer belt 4 is split.
  • the representation of the FIG. 2 not the entire spinning machine 10 represents, but only a section or other predetermined leg.
  • the multiple sections or sections that make up such a spinning machine 10 can then be operated independently of one another with respect to their false twisting device 9.
  • other divisions of the belt 3,4 or belt spinner on the spinning machine with a single or multiple individual motors are possible.
  • the arrangement of the belt according to FIG. 2 is not limited to the present invention. There are several belts for each section possible. These plural belts may relate to both the first belt core 4 and the second belt core 5, so that any structural arrangement of the belts or division of the belts in single belts or common arrangements of a belt is selectable.
  • FIG. 3 shows a portion of a drafting system 20 with a Riemchenwalzencru 21 and a pair of output rollers 22.
  • the pair of output rollers 22 forms a nip KL at the contact point of the two rollers of the output roller pair 22.
  • the first belt core 4 is spaced from this nip with a radius R.
  • the radius R is according to the invention 20 to 130 mm. This area has proven to be particularly advantageous in order to be able to carry out a stable spinning of a yarn.
  • the yarn extends between the Riemchenwalzencru 21 and further on the nip KL of the pair of output rollers 22 to Riementrum 4, wraps around this and is then placed around the second Riementrum 5, to then be led to the spin stop 6, not shown.
  • a range between 0 and 80 mm and in the y-direction a range between 0 and 80 mm is provided in the x direction.
  • an optimal arrangement of the false twist device 9 is effected, in which the Operation, for example, the insertion of the thread in the false twisting device or the removal of the coil 8 from the spinning device is particularly advantageous to accomplish.
  • the orientation of the entire swirl device 9 is determined with respect to the drafting system. In particular, with an arrangement of the two belt rungs 4 and 5 in a horizontal plane thus an optimal arrangement of the twisting device 9 between the drafting 20 and the spinning device is found.
  • FIG. 4 a drafting system 20 is shown, which has a compacting device 23.
  • the sliver runs as well as FIG. 3 between the Riemchenwalzencru 21 and the output roller pair 22 and is then introduced into the compacting device 23.
  • the compacting device 23 has an evacuated apron 23.1 and a pressure roller 23.2. Through the vacuumed apron 23.1, the sliver is compactly summarized and thus ensures a very special yarn characteristic.
  • the nip KL is present.
  • the first belt core 4 is arranged in the said radius R in a range of 20 to 130 mm.
  • the vertical distance in the x direction is again between 0 to 80 mm. In the vertical y-direction, the distance is provided between 0 to 80 mm from the bottom of the sucked strap 23.1.
  • FIG. 5 shows a further embodiment of another compacting device in the drafting system 20.
  • the compacting device 23 ' consists of a suction roller 23.3 and two pressure rollers 23.4 and 23.5.
  • the suction roller 23.3 is sucked between the two pressure rollers 23.4 and 23.5, so that there the sliver can be compacted.
  • Between the suction roller 23.3 and the pressure roller 23.5 is the nip KL, from which the radius R to the center of the first belt 4 is measured. This radius is again between 20 and 130 mm and is essential for the Production of a high quality yarn.
  • the values for the distances X and Y are again in the above ranges.
  • FIG. 6 is yet another compacting device 23 "shown ..
  • the compacting device 23" consists of the lower output roller 22.1 of the drafting system 20 and two upper pressure rollers 22.2 and 22.3.
  • two compressors 24.1 and 24.2 are arranged, with which the sliver is mechanically compacted or compacted.
  • the arranged in the direction of the upper pressure roller 22.3 forms together with the lower output roller 22.1 of the drafting system 20, the nip KL.
  • the first belt core 4 is again at a radial distance R from the nip line KL. This radial distance R is between 20 and 130 mm.
  • the edges relating to the lower output roller 22.1 and the first belt rim 4 are arranged at a distance X between 0 and 80 mm and at a vertical distance Y between 0 and 80 mm.
  • the preferred distances R are between 25 and 130 mm, X between 10 and 80 mm and Y between 0 and 80 mm. In the versions after the FIGS. 4 to 6 with a compacting device, the preferred distances R are between 20 and 130 mm, X between 0 and 80 mm and Y also between 0 and 80 mm.
  • FIG. 7 the arrangement of the beltrums 4 and 5 with respect to a drafting plane S is shown.
  • the two belt rums 4, 5 are arranged in a belt plane R between drafting system 20 and spinning device 10.
  • the belt plane R assumes an angle y with the drafting plane S, which is approximately 45 ° here.
  • the drafting plane S is inclined relative to the horizontal H by the angle ⁇ , which is here also 45 °, since the horizontal H and the belt plane R are parallel to each other.
  • the wrap angle of the first belt run 4 is denoted by ⁇ , the wrap angle of the second belt run 5 to ⁇ .
  • the first belt ring 4 contacted by the thread 3 is more wrapped than the subsequently contacted Riementrum 5.
  • Angle ⁇ is thus greater than the angle ⁇ . This results in a particularly advantageous and stable spinning process with the generation of a very good and stable thread 3.
  • the belt 3 first contacted by belt 3 of the yarn 3 at an angle ⁇ between 100 ° and 200 °, preferably between 140 ° and 180 °. In this embodiment, the angle ⁇ is about 150 °.
  • the then contacted by the thread 3 Riementrum 5 is of the thread 3 at an angle ⁇ between 90 ° and 180 °, preferably between 110 ° and 140 °, here wrapped about 120 °.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Woven Fabrics (AREA)
  • Looms (AREA)

Claims (14)

  1. Machine à filer, en particulier métier à filer à anneaux
    avec une multitude d'unités disposées les unes à côté des autres, dans laquelle chaque unité (1) comporte un banc d'étirage (20) pour l'étirage d'un ruban de fibres,
    un dispositif de filage pour la torsion du ruban de fibres étiré en un fil (3), ainsi qu'
    un dispositif de fausse torsion (9 disposé entre le banc d'étirage (20) et le dispositif de filage,
    sachant qu'un dispositif de compactage (23) est attribué au banc d'étirage (20) pour le compactage du fil (3) étiré et que
    le dispositif de compactage (23) est disposé entre le champ d'étirage principal du banc d'étirage (20) et le dispositif de fausse torsion (9), caractérisée en ce que
    un cylindre de pincement (23.2 ; 23.5 ; 22.3) est attribué au dispositif de compactage (23) pour le pincement du fil (3) le long d'une ligne de pincement (KL),
    le dispositif de fausse torsion (9) comporte au moins une courroie entraînée, qui s'étend essentiellement de manière transversale au fil (3) et
    que le fil (3) enlace deux brins contrarotatifs (4, 5) de la ou des courroie(s), en particulier en forme de z ou de s.
  2. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les deux brins (4, 5) sont essentiellement disposés dans un plan (E), qui est horizontal.
  3. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le brin (4) de la ou des courroie(s) contacté en premier par le fil (3) présente une distance (R) comprise entre 20 et 130 mm à partir de la ligne de pincement (KL).
  4. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que la distance verticale (Y) entre la face inférieure du brin (4) contacté en premier à la face inférieure d'un élément de sortie inférieur (23.1 ; 23.3 ; 22.1) du banc d'étirage (20) est comprise entre 0 et 80 mm.
  5. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que la distance horizontale (X) entre le brin contacté en premier à l'élément de sortie inférieur (23.1 ; 23.3 ; 22.1) du banc d'étirage (20) est comprise entre 0 et 80 mm.
  6. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le plan (E), dans lequel sont disposés les deux brins de courroie (4, 5), est disposé à un angle (γ) compris entre 30° et 60°, de préférence à un angle de 45°, par rapport au plan du champ d'étirage (S).
  7. Machine à filer, en particulier selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le fil (3) est guidé de manière à enlacer au moins l'un des deux brins de courroie (4, 5) à plus de 90°, de préférence à plus de 110°.
  8. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les deux brins de courroie (4, 5) sont disposées entre le banc d'étirage et le dispositif de filage (10) de manière à ce que le premier brin de courroie contacté (4) par le fil soit plus enlacé par le fil (3) que le brin courroie (5) contacté ensuite.
  9. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le premier brin de courroie contacté (4) est enlacé par le fil (3) dans un angle (α) compris entre 100° et 200°, de préférence entre 140° et 180°, et/ou le brin de courroie (5) contacté ensuite est enlacé par le fil (3) dans un angle (β) compris entre 90° et 180°, de préférence compris entre 110° et 140°.
  10. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que l'élément de sortie inférieur (22.1) du banc d'étirage (20) est un cylindre inférieur s'étendant sur plusieurs bancs d'étirage (20).
  11. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que l'élément de sortie du banc d'étirage est un dispositif de compactage (23.1 ; 22.1).
  12. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le dispositif de compactage (23) comporte une ceinture en toile égoutteuse (23.1) aspirée.
  13. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le dispositif de compactage (23) comporte un rouleau égoutteur (23.3) aspiré.
  14. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le dispositif de compactage (23) comporte un compacteur mécanique (24.1, 24.2).
EP14744089.5A 2013-07-29 2014-07-25 Métier à filer avec dispositif de fausse torsion Not-in-force EP3027792B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013108092 2013-07-29
PCT/EP2014/065999 WO2015014734A1 (fr) 2013-07-29 2014-07-25 Métier à filer et dispositif de fausse torsion

Publications (2)

Publication Number Publication Date
EP3027792A1 EP3027792A1 (fr) 2016-06-08
EP3027792B1 true EP3027792B1 (fr) 2017-09-06

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Application Number Title Priority Date Filing Date
EP14744089.5A Not-in-force EP3027792B1 (fr) 2013-07-29 2014-07-25 Métier à filer avec dispositif de fausse torsion

Country Status (4)

Country Link
EP (1) EP3027792B1 (fr)
CN (1) CN105392931B (fr)
DE (1) DE102014110499A1 (fr)
WO (1) WO2015014734A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016105718A1 (de) * 2016-03-29 2017-10-05 Maschinenfabrik Rieter Ag Riemen zur Verwendung in einer Falschdralleinrichtung einer Spinnmaschine

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US2908133A (en) * 1956-08-09 1959-10-13 Clemson Agricultural College O False twister
US4365464A (en) * 1981-01-28 1982-12-28 The United States Of America As Represented By The Secretary Of Agriculture Apparatus to uniformly control wrapping a filament around the surface of a spun core yarn during ring spinning
FR2560230B1 (fr) * 1984-02-24 1987-12-04 Asa Sa Procede pour l'obtention d'un file de fibres
US7096655B2 (en) * 2004-06-02 2006-08-29 The Hong Kong Polytechnic University Method and apparatus for manufacturing a singles ring yarn
US20100024376A1 (en) 2008-08-04 2010-02-04 The Hong Kong Polytechnic University Method and apparatus for manufacturing slalom false twisting on ring yarn
CN103088484A (zh) * 2011-10-31 2013-05-08 上海市毛麻纺织科学技术研究所 环锭细纱机的组合式摩擦假捻器装置
CN103215704B (zh) * 2013-04-09 2016-02-17 东华大学 一种携有预加捻器的环锭纺纱装置和方法

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Title
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Publication number Publication date
CN105392931A (zh) 2016-03-09
WO2015014734A1 (fr) 2015-02-05
CN105392931B (zh) 2018-01-23
EP3027792A1 (fr) 2016-06-08
DE102014110499A1 (de) 2015-01-29

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