US3373554A - Yarn twisting apparatus - Google Patents

Yarn twisting apparatus Download PDF

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Publication number
US3373554A
US3373554A US546938A US54693866A US3373554A US 3373554 A US3373554 A US 3373554A US 546938 A US546938 A US 546938A US 54693866 A US54693866 A US 54693866A US 3373554 A US3373554 A US 3373554A
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United States
Prior art keywords
yarn
discs
twist
disc
contacting portions
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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
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US546938A
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English (en)
Inventor
Raschle Josef
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Heberlein Patent Corp
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Heberlein Patent Corp
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Publication date
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/04—Devices for imparting false twist
    • D02G1/08—Rollers or other friction causing elements
    • D02G1/087—Rollers or other friction causing elements between the flanks of rotating discs
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/04—Devices for imparting false twist
    • D02G1/08—Rollers or other friction causing elements
    • D02G1/085—Rollers or other friction causing elements between crossed belts

Definitions

  • part of the discs or belt drive mechanisms may be formed of flexible, nonmagnetic elastomeric material such as rubber or rubberlike material with a high coefiicient of friction relative to textile yarns.
  • at least part of the drive belts or discs consist of permanently magnetic material, or contain a coating or layer of magnetic material such as sheet iron, iron wire, powder or the like whereby-they may be urged together at the twist zone by magnet positioned for that purpose.
  • the friction twist imparter according to the invention is suitable for false twisting of endless threads or filament bundles respectively as well as of staple fiber yarns ofpolyamides (polyhexamethylene adiparnide, condensates of epsilon amino-caproic acid or ll-amino-undecanoic acid), polyester (polyethylene glycol terephthalate), material on vinyl basis (polyacrylonitrile) or polyolefines (polypropylene), furthermore, cellulose acetate as well as mixed yarns of thermoplastic fibers and non-thermoplastic natural fibers.
  • polyamides polyhexamethylene adiparnide, condensates of epsilon amino-caproic acid or ll-amino-undecanoic acid
  • polyester polyethylene glycol terephthalate
  • material on vinyl basis polyacrylonitrile
  • polyolefines polypropylene
  • FIG. 1 is an elevational view of one example of my invention
  • FIGS. 2 to 4 illustrate constructions alternative to that of FIG. 1;
  • FIG. 5 is an elevational view illustrating a further example of my invention.
  • FIG. 6 is a plan view of yet another example.
  • FIG. 7 is a sectional view taken along the lines 7-7 of FIG. 6.
  • a yarn twisting device comprising two circular discs 1 and 2, the axes of which are parallel and positioned so that portions of opposite surfaces overlap and contact one another, i.e., a portion of the upper surface of discs 1 is positioned directly under and in contact with a portion of the lower surface of disc 2 to form a yarn twisting zone therebetween.
  • Disc 1 is mounted on a circular support 3 of non-magnetic material and which is itself centrally mounted on the end of a rotatable shaft 4.
  • the other disc 2- is centrally mounted on the end of shaft 5.
  • the shafts 4 and 5 are driven in the directions indicated by the arrows A and B, respectively, by suitable means, which will be well known to those skilled in the art and therefore notshown.
  • suitable means which will be well known to those skilled in the art and therefore notshown.
  • Conventional means may be used to feed and take up the yarn 6.
  • the discs 1 and 2 may consist of a non-metallic, flexible material such as rubber into which Koerox powder (BaO.6Fe U has been worked.
  • the overlapping edges of the discs 1 and 2 are of opposite magnetic polarity, as indicated, and attract one another; and, because of the flexibility of the discs, the
  • FIG. 2 I have shown a construction similar to that of FIG. 1, but in which an ordinary rubber disc 7 replaces disc 1, and a flexible disc 8 containing a filling of permanently magnetic material is mounted on the shaft above the disc 2 and spaced therefrom about 1 mm.
  • An upper supporting plate 9 is secured to the upper surface of the disc 8.
  • the facing edges of discs 2 and 8 are similarly polarized and repel each other whereby the lower marginal surface of disc 2, due to its ability to flex, is pressed against the upper marginal surface of disc '7 to impart a false twist to the yarn 6 passing there'between substantially without slippage.
  • the support 3 has an ordinary rubber disc 7a mounted thereon, but of lesser depth than the disc 7 of FIG. 2; and an annular permanent magnet 10 is inserted into a suitable recess in the edge of support 3 by which the marginal edge of disc 2, comprising flexible, permanently magnetic material, is attracted.
  • a non-flexible disc of hard rubber or the like is mounted on support 3 and partially overlaps the disc 2 which includes permanently magnetic material. Beneath the disc 20, in the area of overlap between discs 2 and 20, I position a permanent horseshoe magnet 11 with its poles arranged to attract the disc 2 and thus press its marginal edge against the marginal edge of disc 20.
  • Disc 2 may consist of magnetic material, or may contain iron powder or may have an intermediate layer of thin sheet iron, for example; and of course, an electromagnet may be used in lieu of the permanent magnet 11.
  • FIG. 5 I have illustrated a twisting device having two circular discs 12 and 13 each mounted on the end of shafts 14 and 15, respectively, adapted to be rotated in the directions shown by the arrows C and D, respectively.
  • the discs 12 and 13 are symmetrically arranged to form an angle of between 10 and 45 and preferably approximately 30 between the axis of the moving yarn 6 and the plane of the surfaces of the discs.
  • the discs contact each other at the zone T where twisting takes place and through which the yarn passes.
  • These discs may be formed of material as described in connection with the discs of FIG. 1, and are polarized to press against one another closely and firmly to engage the yarn 6.
  • FIGS. 6 and 7 there are shown two belts l6 and 17 overlapping one another at right angles and moving in the directions indicated respectively by the arrows E and F.
  • the belts may consist of rubber and one of the belts, say 17, may contain an intermediate layer of iron powder, sheet iron or iron wire or the like. Beneath the overlapping area of the belts a magnet 18 is positioned to attract belt 17 towards belt 16 andthus impart a false twist to the yarn 6 passing therebetween at an angle of 45 to the lines of travel of the belts without substantial slippage.
  • a multifilament yarn consisting of p-olyhexamethylene adipamide and having a titer of 70/23 denier coming from a delivery spool first runs through a first thread-advancing means, i.e., a pair of rollers, then passes subsequently through a heating device, a cooling zone, a friction twist imparter according to FIG. 1 of the drawings and then through a second pair of rollers serving as thread-advancing means and is then led towards a winding device.
  • the yarn is hereby temporarily high-twisted to 3,000 turns per meter and heated in this condition in the heating device to 235 C. for 0.4 second.
  • Both discs 1 and 2 of the twist imparter have a diameter of 60 mm.
  • the yarn has a circumference of approximately 0.29 mm, so that a transmission ratio of 1:600 is obtained.
  • the discs 1 and leach rotate at a rotation speed'ofapproximately 1,000 turns per minute, so that the rotation speed of the A yarn will be approximately 600,000 turns per minute without considering slight slippage which will naturally occur in this process and the linear speed of the yarn through the twisting device is approximately 200 meters per minute.
  • a false twist device of the class described for texturing textile yarn comprising: twist imparting members positioned to have at least partially overlapping contacting' portions at a yarn twisting zone through which yarn is advanced, means driving said members in respective directions whereby the contacting portions thereof move in opposite directions, and magnetic means urging at least one of said contacting portions towards the other frictionally to engage yarn passing through said zone and impart a false twist thereto.
  • a false twist device wherein said twist imparting members are discs formed of an elastorner having a high coefficient of friction relatively to textile yarns.
  • a false twist device wherein said twist imparting members are belts formed of an elastomer having a high coefficient of friction relatively to textile yarns.
  • a false twist device comprising: ferromagnetic material polarized to urge the contacting portions thereof towards one another.
  • a false twist device wherein a magnet is positioned relatively to said contacting members to urge the contacting portions thereof together.
  • a false twist device of the class described for texturing textile yarn comprising: twist imparting members formed of an elastomeric material and positioned to have at least partially overlapping contacting portions at a yarn twisting zone through which yarn is advanced, means driving said members in respective directions whereby the contacting portions thereof move in opposite directions, and magnetic means urging at least one of said contacting portions towards the other frictionally to engage yarn passing through said zone and impart a false twist thereto.
  • a false twist device of the class described for texturing textile yarn comprising: twist imparting discs formed of an elastomeric material and positioned to have at least partially overlapping contacting portions at a yarn twisting zone through which yarn is advanced, at least one of said discs including magnetic material, means driving said discs in respective directions whereby the contacting portions thereof move in opposite directions, and magnetic means urging at least one of said contacting portions towards the other frictionally to engage yarn passing through said zone and impart a false twist theretO.
  • a false twist device of the class described for texturing textile yarn comprising: twist imparting belts formed of elastomeric material and positioned to have at least partially overlapping contacting portions at a yarn twisting zone through which yarn is advanced, at least one of said belts including magnetic material, means driving said belts in respective directions whereby the contacting portions thereof move in opposite directions, and magnetic means urging at least one of said contacting portions towards the other frictionally to engage yarn passing through said zone and impart a false twist thereto.
  • a false twist device of the class described for texturing yarn comprising: twist imparting discs formed of an elastomeric materi l and positioned to have at least partially contacting edge portions at a yarn twisting zone through which yarn is advanced, means driving said discs in respective directions whereby the contacting portions thereof move in opposite directions, and magnetic means urging at least one of said contacting portions towards the other frictionally to engage yarn passing through said zone and impart a false twist thereto, said discs being disposed angularly relatively to one another to define an an le of the order of 10 to 45 between the longitudinal axis of the yarn and the plane of the surface of each disc.
  • Apparatus according to claim 9 wherein the angle between the longitudinal axis of the yarn and the plane of the disc surface is approximately 30.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
US546938A 1965-05-06 1966-05-02 Yarn twisting apparatus Expired - Lifetime US3373554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH628465A CH424074A (de) 1965-05-06 1965-05-06 Friktionsdrallgeber für eine Falschzwirnvorrichtung

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US3373554A true US3373554A (en) 1968-03-19

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US546938A Expired - Lifetime US3373554A (en) 1965-05-06 1966-05-02 Yarn twisting apparatus

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CH (1) CH424074A (de)
GB (1) GB1083052A (de)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3488941A (en) * 1966-12-05 1970-01-13 Teijin Ltd Process for splitting a narrow film or false twisting a fibrous material
US3495391A (en) * 1966-12-23 1970-02-17 Tno False-twist rubbing device
US3772873A (en) * 1970-12-24 1973-11-20 Teijin Ltd Process for false-twisting a yarn
US3782088A (en) * 1971-08-05 1974-01-01 Courtaulds North America Inc False twister
US4145871A (en) * 1977-01-21 1979-03-27 Toshiba Kikai Kabushiki Kaisha False twisting apparatus
EP0022743A1 (de) * 1979-07-14 1981-01-21 b a r m a g Barmer Maschinenfabrik Aktiengesellschaft Vorrichtung zum Falschzwirnen eines Fadens und Anwendung dieser Vorrichtung bei der Herstellung eines Garnes
US4370852A (en) * 1980-07-09 1983-02-01 Barmag Barmer Maschinenfabrik Ag Friction false twisting apparatus
US4370851A (en) * 1980-06-14 1983-02-01 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus having adjustable friction discs
US4370853A (en) * 1979-07-14 1983-02-01 Barmag Barmer Maschinenfabrik Ag Friction false twisting apparatus
US4372106A (en) * 1980-06-14 1983-02-08 Barmag Barmer Maschinenfabrik Ag Drive system for yarn false twisting apparatus
US4377932A (en) * 1979-07-14 1983-03-29 Barmag Barmer Maschinenfabrik Ag Flexible belt yarn false twisting apparatus
US4383405A (en) * 1980-09-08 1983-05-17 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus and method
US4387557A (en) * 1981-03-21 1983-06-14 Barmag Barmer Maschinenfabrik Ag False twisting apparatus and method
US4391091A (en) * 1981-03-17 1983-07-05 Barmag Barmer Maschinenfabrik Ag False twisting apparatus and method
US4402179A (en) * 1981-04-09 1983-09-06 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus having improved thread-up capability
US4406116A (en) * 1980-09-15 1983-09-27 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus having friction discs
US4408449A (en) * 1980-06-26 1983-10-11 Barmag Barmer Maschinenfabrik Ag Friction false twisting apparatus
US4414803A (en) * 1979-07-14 1983-11-15 Barmag Barmer Maschinenfabrik Ag False twisting apparatus
US4424664A (en) 1979-07-14 1984-01-10 Barmag Barmer Maschinenfabrik Ag Friction false twist apparatus
US4519204A (en) * 1981-06-26 1985-05-28 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443238C3 (de) 1974-09-10 1987-07-09 FAG Kugelfischer Georg Schäfer KGaA, 8720 Schweinfurt Reibrotor zum Friktionsfalschdrallen von synthetischen Fäden
JPS5922125Y2 (ja) * 1976-12-14 1984-07-02 村田機械株式会社 仮撚装置におけるベルトのニツプ圧設定装置
CH662827A5 (de) * 1983-02-25 1987-10-30 Barmag Barmer Maschf Falschzwirnvorrichtung.
US4698959A (en) * 1985-08-07 1987-10-13 Barmag Ag Apparatus for twisting multifilament yarn

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US745625A (en) * 1903-01-15 1903-12-01 Edward W Goodrick Machine for making grass twine.
US2262589A (en) * 1939-06-07 1941-11-11 Frank M Peck Textile manufacture
US2522332A (en) * 1945-08-24 1950-09-12 Abbott Machine Co Textile drafting apparatus
US2523338A (en) * 1948-03-24 1950-09-26 Gilbert H Snider Yarn or thread twister
US2908133A (en) * 1956-08-09 1959-10-13 Clemson Agricultural College O False twister
US3156084A (en) * 1960-05-02 1964-11-10 Res Nv False twist device
US3225533A (en) * 1961-10-19 1965-12-28 Commw Scient Ind Res Org Apparatus and process for forming yarns and other twisted assemblies

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US745625A (en) * 1903-01-15 1903-12-01 Edward W Goodrick Machine for making grass twine.
US2262589A (en) * 1939-06-07 1941-11-11 Frank M Peck Textile manufacture
US2522332A (en) * 1945-08-24 1950-09-12 Abbott Machine Co Textile drafting apparatus
US2523338A (en) * 1948-03-24 1950-09-26 Gilbert H Snider Yarn or thread twister
US2908133A (en) * 1956-08-09 1959-10-13 Clemson Agricultural College O False twister
US3156084A (en) * 1960-05-02 1964-11-10 Res Nv False twist device
US3225533A (en) * 1961-10-19 1965-12-28 Commw Scient Ind Res Org Apparatus and process for forming yarns and other twisted assemblies

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3488941A (en) * 1966-12-05 1970-01-13 Teijin Ltd Process for splitting a narrow film or false twisting a fibrous material
US3495391A (en) * 1966-12-23 1970-02-17 Tno False-twist rubbing device
US3772873A (en) * 1970-12-24 1973-11-20 Teijin Ltd Process for false-twisting a yarn
US3782088A (en) * 1971-08-05 1974-01-01 Courtaulds North America Inc False twister
US4145871A (en) * 1977-01-21 1979-03-27 Toshiba Kikai Kabushiki Kaisha False twisting apparatus
US4377932A (en) * 1979-07-14 1983-03-29 Barmag Barmer Maschinenfabrik Ag Flexible belt yarn false twisting apparatus
EP0022743A1 (de) * 1979-07-14 1981-01-21 b a r m a g Barmer Maschinenfabrik Aktiengesellschaft Vorrichtung zum Falschzwirnen eines Fadens und Anwendung dieser Vorrichtung bei der Herstellung eines Garnes
US4339915A (en) * 1979-07-14 1982-07-20 Barmag Barmer Maschinenfabrik Apparatus for false twisting yarn
US4424664A (en) 1979-07-14 1984-01-10 Barmag Barmer Maschinenfabrik Ag Friction false twist apparatus
US4414803A (en) * 1979-07-14 1983-11-15 Barmag Barmer Maschinenfabrik Ag False twisting apparatus
US4370853A (en) * 1979-07-14 1983-02-01 Barmag Barmer Maschinenfabrik Ag Friction false twisting apparatus
US4372106A (en) * 1980-06-14 1983-02-08 Barmag Barmer Maschinenfabrik Ag Drive system for yarn false twisting apparatus
US4389841A (en) * 1980-06-14 1983-06-28 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus
US4370851A (en) * 1980-06-14 1983-02-01 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus having adjustable friction discs
US4408449A (en) * 1980-06-26 1983-10-11 Barmag Barmer Maschinenfabrik Ag Friction false twisting apparatus
US4370852A (en) * 1980-07-09 1983-02-01 Barmag Barmer Maschinenfabrik Ag Friction false twisting apparatus
US4383405A (en) * 1980-09-08 1983-05-17 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus and method
US4406116A (en) * 1980-09-15 1983-09-27 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus having friction discs
US4391091A (en) * 1981-03-17 1983-07-05 Barmag Barmer Maschinenfabrik Ag False twisting apparatus and method
US4387557A (en) * 1981-03-21 1983-06-14 Barmag Barmer Maschinenfabrik Ag False twisting apparatus and method
US4402179A (en) * 1981-04-09 1983-09-06 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus having improved thread-up capability
US4519204A (en) * 1981-06-26 1985-05-28 Barmag Barmer Maschinenfabrik Ag Yarn false twisting apparatus

Also Published As

Publication number Publication date
CH424074A (de) 1966-11-15
GB1083052A (en) 1967-09-13
DE1660351A1 (de) 1971-02-11

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