US3785140A - Device for winding threads, particularly textile threads - Google Patents

Device for winding threads, particularly textile threads Download PDF

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Publication number
US3785140A
US3785140A US00097789A US3785140DA US3785140A US 3785140 A US3785140 A US 3785140A US 00097789 A US00097789 A US 00097789A US 3785140D A US3785140D A US 3785140DA US 3785140 A US3785140 A US 3785140A
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US
United States
Prior art keywords
winding
winding body
thread
thread guide
stator
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
US00097789A
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English (en)
Inventor
A Muller
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Savio SpA
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Industrie Werke Karlsruhe Ausburg AG
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Publication of US3785140A publication Critical patent/US3785140A/en
Assigned to OFFICINE SAVIO S.P.A. reassignment OFFICINE SAVIO S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: INDUSTRIE-WERKE KARLSRUHE AKTIENGESELLSCHAFT
Assigned to SAVIO SPA reassignment SAVIO SPA CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: OFFICINE SAVIO SPA
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D01H7/60—Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
    • D01H7/604—Travellers
    • D01H7/606—Driving means for travellers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D01H7/58—Ring-and-traveller arrangements with driven rings ; Bearings or braking arrangements therefor

Definitions

  • ABSTRACT A device for winding textile threads with constant tension on a vertically disposed winding body with a thread guide which moves in spaced relation from the winding body concentrically around the same in a horizontal circular path
  • the thread guide comprises a pierced magnetizable member or a pierced member of magnetic material and moves in a circular path formed in a stator ring carrying a stator winding supplied with electrical energy by an adjustable frequency changer which produces in the stator ring a rotary magnetic field acting upon the thread guide which upon an axially reciprocable movement of the stator ring moves the thread guide in addition to its rotary movement also back and forth in axial direction of the winding body so as to cause the thread to be wound in layers on said winding body.
  • the invention relates to a device for winding threads, particularly textile threads, in which the thread which is supplied to the winding device under constant tension is moved in a horizontal circular path by a thread guide and is wound on a vertically disposed winding body, while at the same time the thread is alternately lifted and lowered.
  • a cylindrical winding sleeve is driven with a desired rotary speed.
  • the thread which usually comes from above, is then wound upon the rotary sleeve.
  • the thread which comes from the spinning means with a constant speed is guided in a straight line movement toward the winding body and with the assistance of a thread guide is moved in axial direction of the sleeve back and forth. With such a traversing movement a uniform winding of the thread on the cylindrical sleeve takes place.
  • the rotary speed on the surface of the winding must however correspond to the speed of the thread.
  • spin stretch spools in one operation one tries to employ speeds in the range from 3,000 to 6,000 meters per minute. This requires at a predetermined diameter of the winding sleeve, for instance 100 mm, the use of starting speeds of approximately 10,000 to 20,000 revolutions per minute. It is possible to build structures performing such high rotary speeds.
  • spool dimensions which at the same winding weight have substantially smaller diameters.
  • Such windings require sleeve diameters (cops) which are not larger than 50 mm similar to the ones customarily used in ring double frames.
  • the textile winding art requires the use of rotary speeds of the sleeve of at least 20,000 to 40,000 rpm in order to reach such thread speeds.
  • rotary speeds of the sleeve of at least 20,000 to 40,000 rpm in order to reach such thread speeds.
  • traversing speed be doubled.
  • high rotary speeds and traversing speeds are not technically obtainable; they would require considerable amount of expense and are seldom economical.
  • the drive takes place either by means of a driving roller having a constant speed and acting as a friction drive, or whenthe winding is directly driven by adjusting the winding to a constant circumferential speed by means of adjusting members responsive to a constant thread tension.
  • the method for the production of cops consists in this, that the winding sleeve is driven with a constant speed and that the thread to be wound is guided by a runner (traveler) which is freely movable in a circular ring arranged concentrically to the winding sleeve.
  • the thread when wound owing to the produced thread tension takes along the freely movable runner in the rotary direction of the cop, so that it moves outside of the winding.
  • the sliding resistance of the runners grows rapdily when the speed increases since the centrifugal forces of the runner produce an increased pressure against track surface of the stationary ring.
  • the winding speed is, therefore, always smaller than the circumferential speed of the winding produced on the winding body. If, however, the runner would come to a stop then there would be no thread tension any more.
  • the annular body which guides the thread guide moves in axial direction of the driven winding body up and down in such a manner that the desired structure of the winding is produced on the winding body.
  • an important object of the invention is a winding device for textile threads which is not only simple and inexpensive in construction, but also permits the employment of substantially higher winding speeds than heretofore.
  • This object is realized in that one employs an axially slidably mounted ring which concentrically surrounds the winding body, whereby this ring has mounted thereon a stack of annular stator laminations or plates and also a corresponding stator winding.
  • the stack of annular stator laminations on the inner circumferential wall thereof which faces the winding body is provided with means for guiding the thread.
  • This means under the influence of an electro-magnetic rotary field which is effective within the ring is set in. a rotary movement and in doing so winds the thread guided by it in layers upon the winding body.
  • the ring is made U-shaped in cross-section, where the two spaced parallel legs of the cross-section are directed inwardly and receive between them at least partially the annular stack of stator laminations.
  • the stator winding may consist of a plurality of individual windings distributed along the circumference of the annular stator.
  • the means for guiding the thread is made of magnetizable or magnetic material, respectively, and has a substantial spherical shape or cylindrical shape, respectively.
  • the means for guiding the thread consisting of magnetizable or magnetic material, respectively,
  • friction reducing members such as balls, rollers, pins,
  • the means for guiding the thread and consisting of a magnetic material may be provided with a bore whose axis in the operative condition is arranged parallel with respect to the axis of the winding body and is used for the passage of the thread leading to the winding body.
  • the winding body may alternately be arranged stationary or rotatably.
  • the direction of rotation of the winding body may be opposite to the direction of rotation of the sphere or cylindrical shaped thread guide, that the winding body is driven by a conventional electric motor, and that between the winding body and the motor a conventional coupling may be arranged.
  • the stator winding is supplied with electrical energy by an adjustable frequency changer.
  • the invention is not limited to the above-mentioned features of construction.
  • the invention resides also in a method for winding a textile thread in that during the winding procedure an adjustment of the thread speed takes place in such a manner that the number of revolutions of the winding body is maintained constant, while the number of revolutions of the thread guide in the annular stator stack is decreased with increasing diameter of the windingon the winding body and this is preferably accomplished by reducing the frequency of the rotary field system, whereby between the magnetic rotary field speed and the actual mechanical rotary speed of the thread guide a slippage is present which additionally is increased by a reduction in the voltage of the rotary field.
  • the method in accordance with the invention is completed in that for the adjustment of the drive which produces a constant thread tension a conventional thread tension measuring device is employed which by a selective change of frequency and tension or both of these values effects a change in the speed of the thread guide
  • a conventional thread tension measuring device is employed which by a selective change of frequency and tension or both of these values effects a change in the speed of the thread guide
  • the device and. the method of the invention have substantial advantages. Particularly when the winding diameters are small, the winding may be effected with a high thread speed without difficulties and in a very simple manner.
  • the rotative speeds of the runner, as well as that of the winding itself amounts to only one half of the rotative speed of the winding body. If necessary, it is possible in this manner to double the winding speed by comparable winding or coil dimensions.
  • the winding device in accordance with the invention permits the production of a small twist which serves as protection for the continued processing of the material and is very advantageous.
  • the individual capillary structures of the material to be processed is held tightly together and therewith the assurance is given that during a further processing, for instance during unwinding, the capillary structure of one winding does not unite with the capillary structures of the adjacent other windings so that breaks in the thread are avoided.
  • the driven thread guide has only a relatively'small rotary mass. This results in very favorable adjustment characteristics.
  • a still further advantage of the invention resides also that in view of the rotation of the thread guide a far reaching frictionless run is obtained so that a winding operation is possible which requires only a very small thread tension.
  • FIG. 1 illustrates diagrammatically the construction of the winding device in which the most essential elements are illustrated by a vertical sectional view
  • FIG. 2 illustrates diagrammatically a modified winding device likewise showing the most important elements by a vertical sectional view
  • FIG. 3 illustrates a horizontal sectional view of the winding device substantially along the line I-I of FIG. 1.
  • an electric motor 1 drives by means of a coupling 3 a vertically disposed shaft 2 on which a winding body 4, for instance a so-called cop, is mounted.
  • An annular body 5 of substantially greater diameter than the body 4 is concentrically arranged with respect to the winding body 4.
  • the exterior diameter of this annular body 5 is a multiple of the diameter of the winding body 4.
  • the annular body 5 is arranged to be vertically slidable in both directions as indicated by the double arrow 5a. In cross-section this annular body has a substantial U-shaped form and has mounted therein a stack 6 of laminations consisting preferably of high alloyed sheet metal.
  • This stack 6 forms an annular stator and has mounted therein a stator winding 8 which is separated from the stator laminations by insulation 7.
  • the inner circumference 6a of the stator has formed therein an annular track 6b in the form of a concave groove.
  • a thread guide 9 which has the shape of a sphere.
  • the thread guide 9 may have any desired other shape,'for instance a shape such as is illustrated in FIG. 2 in which the thread guide is designated by 9b.
  • the thread guide consists of an easily magnetizable or a magnetic material and is provided centrally or near its center with a piercing aperture 9a (FIG. 1), which in operative position of the thread guide 9 extends parallel to the axis of the winding body 4.
  • the modified thread guide 9b has the shape of a circular ring which as a runner is concentrically arranged with respect to the winding body and functions as a magnetic armature, whereby the rotation of the ring is established by a number of spheres 15 which determine the distance and the support of the thread guide with respect to the winding body.
  • the stator winding 8 is connected by conductors 10 (FIG. 1) with a generator 11 consisting, for instance of a static frequency changer provided with two potentiometers 11a and 11b.
  • the roller of a conventional thread tension measuring device (not illustrated) is designated by 12 and 13 designates the thread and 14 indicates the thread winding formed on the winding body.
  • the electric motor 1 which rotates the winding body 4 and at the same time the stator winding 8 is supplied by the frequency changer 11 with electric energy to build up an electromagnetic rotary field.
  • the effect of the electromagnetic rotary field is that the thread guide 9, which is already mentioned consists of a magnetizable or a magnetic material, is rotated in its prescribed annular track 6b.
  • the thread guide 9 rotates at least with approximately the same annular speed in its track as the rotary field produced by the three-phase current, for instance, it rotates 3,000 revolutions per minute when the three-phase current has 50 cycles and the stator winding has two poles or which rotates 24,000 revolutions per minute when the three-phase current has 400 periods and the stator winding has two poles. Owing to this additional drive of the thread guide 9 in opposite direction, however, with a speed of revolutions which coincides with the winding revolution, it is possible to double the revolution of the winding operation and therefore of the winding speed.
  • the thread 113 which is supplied by the thread tension measuring device and guided over the roller 12 and is pulled through the aperture 9a of the thread guide 9 before the winding device is set in operation, and it is attached in customary manner to the winding body 4. Under the action of the electromagnetic forces of the rotary field and under the action of the centrifugal forces which develop during the rotation of the thread guide 9 in its track, the thread is held in the prescribed circular path.
  • this ring serves as an amplifier of the mag netic field; the movement and the centering of the circular ring is assured by the employment of a few spheres 15 which are mounted in a cage llSa in similar manner as this is done in a conventional ball hearing so that a safe circular movement of the annular body 5' by means of the spheres l5 and the track 5a is assured.
  • the desired or the required winding speed of the thread l3 on the winding body 4 may be obtained by a suitable continuous adjustment of the potentiometer 11a which changes the frequency of the three-phase current.
  • the adjustment of the speed in relation to the diameter of the winding takes place preferably by adjusting the speed of the thread guide in that the potentiometer 11b is used to change the voltage of the three-phase current which produces the rotary field.
  • the magnetic induction changes in the second power. in addition, of course, it is also possible to change the frequency in the already described manner.
  • the construction of the winding device may be very varied in the wide limits. For instance, it is impossible for the tension adjustment of the thread to employ semiconductor arrangements which operate practically without any delay. These semiconductor arrangements are particularly adjustable for thin threads which have to be wound with a relatively small tension.
  • Device for winding threads particularly textile threads provided with a thread guide, a vertically dis posed winding body and a horizontal circular thread guide guiding means in which the thread is fed with constant tension by said thread guide into said circular thread guiding means and is placed with traversing motion around said vertically disposed winding body, said winding body comprising an axially reciprocable circular ring arranged concentrically about said winding body, a stack of annular stator laminations attached to the inner wall of said circular ring, a stator winding carried by said stator, said circular thread guide guiding means being arranged on the wall of said annular stator facing said winding body, means for electrically energizing said stator winding so as to produce a rotary magnetic field within said stator and causing rotation of said thread guide, whereby said thread is wound layer after layer on said winding body while said ring is axially reciprocated.
  • said circular ring is U-shaped in cross-section, with the legs thereof directed toward. said winding body, said stack of annular stator laminations extending at least partially into the annular groove formed by said U-shaped crosssection in said circular ring.
  • said stator winding comprises a plurality of individual windings circumferentially distributed along the circumference of said annular stator.
  • said means forming said thread guide comprises a sphere made of magnetizable material.
  • said means forming said thread guide comprises a sphere made of magnetic material.
  • said thread guide forming means comprises a member provided with a bore whose axis in the operative condition of the device extends parallel to the axis of said winding body, said thread being threaded through. said bore and then is conducted to and attached to said winding body.
  • said electrically energizing means for furnishing said stator winding with electrical energy comprises an adjustable frequency changer.
  • said thread guide comprises an axially symmetrical ring provided with a thread guiding aperture, and friction reducing members rotatably supporting said ring on a circular track formed on the inner wall of said circular ring.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Winding Filamentary Materials (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
US00097789A 1969-12-23 1970-12-14 Device for winding threads, particularly textile threads Expired - Lifetime US3785140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691964478 DE1964478A1 (de) 1969-12-23 1969-12-23 Vorrichtung zum Aufwickeln,insbesondere textiler Faeden

Publications (1)

Publication Number Publication Date
US3785140A true US3785140A (en) 1974-01-15

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ID=5754800

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Application Number Title Priority Date Filing Date
US00097789A Expired - Lifetime US3785140A (en) 1969-12-23 1970-12-14 Device for winding threads, particularly textile threads

Country Status (5)

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US (1) US3785140A (fr)
CH (1) CH523837A (fr)
DE (1) DE1964478A1 (fr)
FR (1) FR2072771A5 (fr)
GB (1) GB1336010A (fr)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023342A (en) * 1975-05-16 1977-05-17 Erwin Schenkel Ring spinning or twisting process
US4028873A (en) * 1975-08-29 1977-06-14 Zinser Textilmaschinen Gmbh Ring spinning or twisting machine
US4104857A (en) * 1976-06-03 1978-08-08 Fratelli Marzoli & C. S.P.A. Spinning and twisting device
US4142357A (en) * 1978-01-17 1979-03-06 Sara G. Poston Yarn guide for spinning or twisting machine
US4147019A (en) * 1977-07-18 1979-04-03 Rieter Machine Works, Ltd. Method and apparatus for producing a draftable twisted roving
US4265081A (en) * 1975-03-15 1981-05-05 Spurmach Espana S. L. Driven spinning ring device for yarn spinning and twisting machines
US4266397A (en) * 1975-10-03 1981-05-12 Zinser Textilmaschinen Method and apparatus for restarting individual winding units of a ring spinning or twisting frame
US4779409A (en) * 1985-12-10 1988-10-25 Cerit S.P.A. Method and system for spinning with a rotary balloon-checking device
US4817371A (en) * 1986-06-11 1989-04-04 Zinser Textilmaschinen Gmbh Individual-motor drive method of and apparatus for spindles of a spinning machine
US4876847A (en) * 1987-01-23 1989-10-31 Hitachi, Ltd. Ring Spinning machine
US4918911A (en) * 1987-12-08 1990-04-24 Zinser Textilmaschinen Gmbh Spinning apparatus
US5009063A (en) * 1988-11-08 1991-04-23 Hiroshi Yamaguchi Rotary ring spinning device provided with a ring motor
US5010722A (en) * 1988-09-05 1991-04-30 Hiroshi Yamaguchi Rotary ring winding device
US5109659A (en) * 1990-06-01 1992-05-05 Tns Mills, Inc. Magnetic ring for the spinning of textile yarn and method
WO1992020846A1 (fr) * 1991-05-21 1992-11-26 Vladimir Vasilievich Kurkov Mecanisme de retordage a anneau pour machine textile
US5740666A (en) * 1989-08-03 1998-04-21 Yamaguchi; Hiroshi Method and system for controlling the rotational speed of a rotary ring member
US5819519A (en) * 1994-09-16 1998-10-13 Nippo Ltd. Spinning ring
WO2008028371A1 (fr) * 2006-08-30 2008-03-13 Jianxin Xu Dispositif de retordage sans curseur et procédé de retordage associé
US20220235494A1 (en) * 2021-01-22 2022-07-28 Saurer Spinning Solutions Gmbh & Co. Kg Spinning device having a floating spinning ring and balloon limiter tube
US20220364276A1 (en) * 2021-05-15 2022-11-17 Sanko Tekstil Isletmeleri San. Tic. A.S. Device and method for winding and twisting fibre material in ring spinning or ring twisting frames
US20230079829A1 (en) * 2020-02-20 2023-03-16 Sanko Tekstil Isletmeleri Sanayi Ve Ticaret Anonim Sirketi Winding and twisting device for a ring spinning or ring twisting machine
US11639563B2 (en) * 2016-04-14 2023-05-02 Sanko Tekstil Isletmeleri San.Ve Tic.A.S. Baspinar Subesi Winding and twisting device of a ring spinning or ring twisting machine as well as ring spinning and ring twisting method
US20240035206A1 (en) * 2020-12-21 2024-02-01 Bräcker Ag Ring for a ring-spinning or ring-twisting machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3098209B1 (fr) * 2019-07-01 2021-06-04 Conductix Wampfler France Bobine pour l’enroulement et le deroulement d’un lien

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932152A (en) * 1958-05-28 1960-04-12 Chemstrand Corp Textile twisting apparatus
US3114234A (en) * 1959-12-28 1963-12-17 Sumitomo Metal Ind Ring for spinning machine
US3122876A (en) * 1961-02-16 1964-03-03 Nippon Keori Kabushiki Kaisha Magnetic spinning ring
US3543503A (en) * 1967-05-26 1970-12-01 Teijin Ltd Apparatus for winding a yarn

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932152A (en) * 1958-05-28 1960-04-12 Chemstrand Corp Textile twisting apparatus
US3114234A (en) * 1959-12-28 1963-12-17 Sumitomo Metal Ind Ring for spinning machine
US3122876A (en) * 1961-02-16 1964-03-03 Nippon Keori Kabushiki Kaisha Magnetic spinning ring
US3543503A (en) * 1967-05-26 1970-12-01 Teijin Ltd Apparatus for winding a yarn

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265081A (en) * 1975-03-15 1981-05-05 Spurmach Espana S. L. Driven spinning ring device for yarn spinning and twisting machines
US4023342A (en) * 1975-05-16 1977-05-17 Erwin Schenkel Ring spinning or twisting process
US4028873A (en) * 1975-08-29 1977-06-14 Zinser Textilmaschinen Gmbh Ring spinning or twisting machine
US4266397A (en) * 1975-10-03 1981-05-12 Zinser Textilmaschinen Method and apparatus for restarting individual winding units of a ring spinning or twisting frame
US4104857A (en) * 1976-06-03 1978-08-08 Fratelli Marzoli & C. S.P.A. Spinning and twisting device
US4147019A (en) * 1977-07-18 1979-04-03 Rieter Machine Works, Ltd. Method and apparatus for producing a draftable twisted roving
US4142357A (en) * 1978-01-17 1979-03-06 Sara G. Poston Yarn guide for spinning or twisting machine
US4779409A (en) * 1985-12-10 1988-10-25 Cerit S.P.A. Method and system for spinning with a rotary balloon-checking device
US4817371A (en) * 1986-06-11 1989-04-04 Zinser Textilmaschinen Gmbh Individual-motor drive method of and apparatus for spindles of a spinning machine
US4876847A (en) * 1987-01-23 1989-10-31 Hitachi, Ltd. Ring Spinning machine
US4918911A (en) * 1987-12-08 1990-04-24 Zinser Textilmaschinen Gmbh Spinning apparatus
US5010722A (en) * 1988-09-05 1991-04-30 Hiroshi Yamaguchi Rotary ring winding device
US5009063A (en) * 1988-11-08 1991-04-23 Hiroshi Yamaguchi Rotary ring spinning device provided with a ring motor
US5740666A (en) * 1989-08-03 1998-04-21 Yamaguchi; Hiroshi Method and system for controlling the rotational speed of a rotary ring member
US5109659A (en) * 1990-06-01 1992-05-05 Tns Mills, Inc. Magnetic ring for the spinning of textile yarn and method
WO1992020846A1 (fr) * 1991-05-21 1992-11-26 Vladimir Vasilievich Kurkov Mecanisme de retordage a anneau pour machine textile
US5819519A (en) * 1994-09-16 1998-10-13 Nippo Ltd. Spinning ring
US5881546A (en) * 1994-09-16 1999-03-16 Nippo Ltd Spinning ring
WO2008028371A1 (fr) * 2006-08-30 2008-03-13 Jianxin Xu Dispositif de retordage sans curseur et procédé de retordage associé
US11639563B2 (en) * 2016-04-14 2023-05-02 Sanko Tekstil Isletmeleri San.Ve Tic.A.S. Baspinar Subesi Winding and twisting device of a ring spinning or ring twisting machine as well as ring spinning and ring twisting method
US20230079829A1 (en) * 2020-02-20 2023-03-16 Sanko Tekstil Isletmeleri Sanayi Ve Ticaret Anonim Sirketi Winding and twisting device for a ring spinning or ring twisting machine
US12060660B2 (en) * 2020-02-20 2024-08-13 Sanko Tekstil Isletmeleri Sanayi Ve Ticaret Anonim Sirketi Winding and twisting device for a ring spinning or ring twisting machine
US20240035206A1 (en) * 2020-12-21 2024-02-01 Bräcker Ag Ring for a ring-spinning or ring-twisting machine
US12312713B2 (en) * 2020-12-21 2025-05-27 Bräcker Ag Ring for a ring-spinning or ring-twisting machine
US20220235494A1 (en) * 2021-01-22 2022-07-28 Saurer Spinning Solutions Gmbh & Co. Kg Spinning device having a floating spinning ring and balloon limiter tube
US11753749B2 (en) * 2021-01-22 2023-09-12 Saurer Spinning Solutions Gmbh & Co. Kg Spinning device having a floating spinning ring and balloon limiter tube
US20220364276A1 (en) * 2021-05-15 2022-11-17 Sanko Tekstil Isletmeleri San. Tic. A.S. Device and method for winding and twisting fibre material in ring spinning or ring twisting frames
US11795585B2 (en) * 2021-05-15 2023-10-24 Sanko Tekstil Isletmeleri San. Tic. A.S. Device and method for winding and twisting fiber material in ring spinning or ring twisting frames

Also Published As

Publication number Publication date
DE1964478A1 (de) 1971-07-01
FR2072771A5 (fr) 1971-09-24
GB1336010A (en) 1973-11-07
CH523837A (de) 1972-06-15

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AS Assignment

Owner name: OFFICINE SAVIO S.P.A., ITALY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:INDUSTRIE-WERKE KARLSRUHE AKTIENGESELLSCHAFT;REEL/FRAME:004087/0471

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