US3650104A - Spinning of textile yarns - Google Patents

Spinning of textile yarns Download PDF

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US3650104A
US3650104A US842924A US3650104DA US3650104A US 3650104 A US3650104 A US 3650104A US 842924 A US842924 A US 842924A US 3650104D A US3650104D A US 3650104DA US 3650104 A US3650104 A US 3650104A
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fibers
filament
tow
continuously
filaments
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US842924A
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John Michael Shepherd
Robert Greenwood
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Hollingsworth UK Ltd
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TMM Research Ltd
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Assigned to HOLLINGSWORTH (UK) LIMITED, SCAITCLIFFE ST., ACCRINGTON, LANCASHIRE ENGLAND, AN ENGLISH COMPANY reassignment HOLLINGSWORTH (UK) LIMITED, SCAITCLIFFE ST., ACCRINGTON, LANCASHIRE ENGLAND, AN ENGLISH COMPANY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: TMM (RESEARCH) LIMITED, AN ENGLISH COMPANY
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G1/00—Severing continuous filaments or long fibres, e.g. stapling
    • D01G1/06—Converting tows to slivers or yarns, e.g. in direct spinning
    • D01G1/10—Converting tows to slivers or yarns, e.g. in direct spinning by cutting
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls

Definitions

  • the staple fibers so formed at h vering station are [58] Field of Search ..57/2, 50, 156, 58.89, 58.95; conveyed in discrete manner to an internal fiber collecting 19 53 surface of a spinning rotor from which they are continuously removed to form the tail-end of a yarn which is continuously W drawn off from the rotor.
  • the present invention relates to the spinning of textile yarns and is particularly concerned with a method of and apparatus for the open end spinning of textile yarns from continuous filaments.
  • a twisted yarn is formed by continuously depositing discrete fibers on a rotating collecting surface, continuously removing them from the surface to form the tail-end of a yarn and drawing off the continuously formed twisted yarn. It has hitherto been proposed to supply the fibers in the form of a roving or sliver, which is continuously advanced to a fiber separating station where the fibers are separated from the roving and carried in an airstream to the fiber collecting surface.
  • a method of open end spinning of textile yarns comprising the steps of continuously advancing a filament or tow of filaments to a severing station, severing the filament or tow into fibers of staple length at the severing station, conveying the fibers in discrete manner to an internal fiber collecting surface of a spinning rotor, continuously removing them from the fiber collecting surface to form the tail-end of a yarn, and drawing off the continuously formed twisted yarn.
  • apparatus for the open end and spinning of textile yarns comprising a spinning rotor having an internal fiber-collecting surface, fiber-supply means for supplying discrete fibers to the fiber-collecting surface and yarn draw off means for drawing off yarn formed by the continuous removal of the fibers from the collecting surface, said fiber supply means including severing means, filament-forwarding means for forwarding a filament or tow of filaments to the severing means which severs the filament or tow to produce fibers of staple length, and conveying means for continuously conveying the severed fibers in discrete manner to the fiber-collecting surface of the spinning rotor.
  • the severing means may comprise a cutting device which cuts the filament or tow of filaments into staple fibers or may comprise stretch-breaking means for stretching the filament or tow until it breaks into staple fibers.
  • FIG. 1 is a schematic sectional side elevation of an open end spinning machine according to a first embodiment of the invention
  • FIG. 2 is a schematic sectional side elevation of an open end spinning machine according to a second embodiment of the invention.
  • FIG. 3 is a schematic sectional side elevation of an open-end spinning machine according to a third embodiment of the invention.
  • a tow 11 of continuous filaments is fed by a fluted feed roller 12 to a rotary cutter 13 provided with helical blades 14.
  • the cutter 13 in association with an anvil l converts the continuous filaments into fibers 16 of staple length.
  • a rotary beater 17 provided with a saw tooth wire clothing 18 acts on the filaments extending from the nip between the cutter blades 14 and the anvil so that when the filaments are severed by the advancing blades 14, the cut lengths of filament are separated by the beater l7 and convcycd thereby to a fiber feed duct 19 through which they pass in an airstream to a high speed spinning rotor 20 where they are deposited on an internal collecting surface 21 of the rotor 20.
  • the rotor 20 is enclosed in a housing 22 and air is removed from the interior of the rotor 20 either by means on the rotor itself, or by external suction means connected to a suction duct 23 leading to the housing 22. Fibers are removed from the fiber collecting surface 21 and twisted into an end of yarn 24 in well known manner in open end spinning and the twisted yarn 24 is continuously removed from the spinning rotor by yarn delivery rollers 25, 26 and taken up on a package (not shown).
  • the rotary beater 17 may, if desired, be replaced by an opening roller provided with needles.
  • the rotary beater 17 may be replaced by a roller drafting system as illustrated in FIG. 2, which shows a two-over-two drafting system with front rollers 27 and 28 and back rollers 29 and 30 provided with cooperating top and bottom aprons 31 and 32.
  • the draw ratio of the drafting system is made high in order to assist in the separation of the mass of fibers into discrete fibers before their entry to the fiber feed duct 19.
  • the filament tow may, if desired, be cut by any other means or may be stretch broken as illustrated in FIG. 3 by feeding it successively through pairs of rollers 33, 34 and 35, 36, the latter of which is run at a considerably higher speed than the former, and then subjecting the staple fibers thus formed to a drafting or opening operation in a roller drafting system as described with reference to FIG. 2 before feeding them in an airstream through the duct 19 to the spinning rotor 20.
  • Two or more tows of the same material or different materials may be fed to the staple forming and spinning section to provide a yarn of blended material, or staple fibers may be fed to the spinning section in addition to those formed from the continuous filament tow.
  • a mono filament can be fed and cut into staple lengths for feeding to the spinning rotor.
  • a method of open end spinning of textile yarns comprising the steps of continuously advancing a filament or tow of filaments to a severing station, continuously severing the filament or tow of filaments into fibers of staple length at the severing station, continuously subjecting the fibers of staple length to an opening operation and then continuously conveying the fibers in discrete manner to an internal fiber collecting surface of a spinning rotor, continuously removing the fibers from the fiber collecting surface to form the tail end of a yarn, and drawing off the continuously formed twisted yarn.
  • Apparatus for the open end spinning of textile yarns comprising a spinning rotor having an internal fiber collecting surface, fiber supply means for continuously supplying discrete fibers to the fiber collecting surface, and yarn drawoff means for drawing off yarn formed by the continuous removal of the fibers from the collecting surface, said fiber supply means including severing means, filament forwarding means for continuously forwarding a filament or tow of filaments to the severing means which continuously severs the filament or tow to produce fibers of staple length, and conveying means for continuously conveying the severed fibers in discrete manner to the fiber collecting surface of the spinning rotor and including opening means for continuously opening the fibers severed by the severing means.
  • said severing means comprises a cutting device which cuts the filament or tow of filaments into fibers of staple length.
  • the said cutting device comprises a rotary cutter provided with helical blades which cooperate with a stationary anvil to cut the continuous filament or tow of filaments into fibers of staple length.
  • severing means comprises a stretch-break drafting zone.
  • said drafting zone is formed by first and second pairs of rollers through which the filament or tow of filaments is successively passed
  • means comprises a high draft roller drafting zone.

Abstract

A method of and apparatus for the open end spinning of textile yarns from continuous filaments in which a filament or tow of filaments is continuously advanced to a severing station where the filament or tow is severed into fibers of staple length. The staple fibers so formed at the severing station are conveyed in discrete manner to an internal fiber collecting surface of a spinning rotor from which they are continuously removed to form the tail-end of a yarn which is continuously drawn off from the rotor.

Description

United States Patent Shepherd et al. [45] Mar. 21, 1972 [54] SPINNING OF TEXTILE YARNS Ref ences Cited [72] Inventors: John Michael Shepherd, Ramsbottom; UNITED STATES PATENTS- Gmmmd whalley' bmh 2,258,661 10/1941 Pool ..57/2 g 2,570,184 10/1951 Abbott ..19/.6 [73] Assignee: T. M. M. (Research) Limited, Oldham, En- 2,719,336 10/1955 mi --l9/. X l d 3,330,008 7/1967 Schuller... .....57/58.9l X 3,370,413 2/1968 Rajnoha et a1 ..57/58.95 [22] Filed: July 18, 1969 [2] 1 Appl- No; 842 924 Primary Examiner-John Petrakes Attorney-Watson, Cole, Grindle & Watson [30] Foreign Application Priority Data [57] ABSTRACT July 25, 1968 Great Britain ..35,612/68 A method of and apparatus for the open end spinning of textile yarns from continuous filaments in which a filament or tow [52] U.S.Cl ..57/58.91, l9/.56,57/2, f fi aments s continuously advanced to a severing station 57/5395, 57/156 where the filament or tow is severed into fibers of staple 51 Int. Cl. ..D0lh 1/12, D01 g l/06 g The staple fibers so formed at h vering station are [58] Field of Search ..57/2, 50, 156, 58.89, 58.95; conveyed in discrete manner to an internal fiber collecting 19 53 surface of a spinning rotor from which they are continuously removed to form the tail-end of a yarn which is continuously W drawn off from the rotor.
13 Claims, 3 Drawing Figures g I E 24 SPINNING F TEXTILE YARNS The present invention relates to the spinning of textile yarns and is particularly concerned with a method of and apparatus for the open end spinning of textile yarns from continuous filaments.
In one method for the open end and spinning of textile yarns, a twisted yarn is formed by continuously depositing discrete fibers on a rotating collecting surface, continuously removing them from the surface to form the tail-end of a yarn and drawing off the continuously formed twisted yarn. It has hitherto been proposed to supply the fibers in the form of a roving or sliver, which is continuously advanced to a fiber separating station where the fibers are separated from the roving and carried in an airstream to the fiber collecting surface.
According to a first aspect of the present invention, there is provided a method of open end spinning of textile yarns comprising the steps of continuously advancing a filament or tow of filaments to a severing station, severing the filament or tow into fibers of staple length at the severing station, conveying the fibers in discrete manner to an internal fiber collecting surface of a spinning rotor, continuously removing them from the fiber collecting surface to form the tail-end of a yarn, and drawing off the continuously formed twisted yarn.
According to a second aspect of the present invention, there is provided apparatus for the open end and spinning of textile yarns comprising a spinning rotor having an internal fiber-collecting surface, fiber-supply means for supplying discrete fibers to the fiber-collecting surface and yarn draw off means for drawing off yarn formed by the continuous removal of the fibers from the collecting surface, said fiber supply means including severing means, filament-forwarding means for forwarding a filament or tow of filaments to the severing means which severs the filament or tow to produce fibers of staple length, and conveying means for continuously conveying the severed fibers in discrete manner to the fiber-collecting surface of the spinning rotor.
The severing means may comprise a cutting device which cuts the filament or tow of filaments into staple fibers or may comprise stretch-breaking means for stretching the filament or tow until it breaks into staple fibers.
Some embodiments of the invention will now be described by way of example with reference to the accompanying drawings in which:
FIG. 1 is a schematic sectional side elevation of an open end spinning machine according to a first embodiment of the invention,
FIG. 2 is a schematic sectional side elevation of an open end spinning machine according to a second embodiment of the invention, and
FIG. 3 is a schematic sectional side elevation of an open-end spinning machine according to a third embodiment of the invention.
Referring first to FIG. 1 a tow 11 of continuous filaments is fed by a fluted feed roller 12 to a rotary cutter 13 provided with helical blades 14. The cutter 13 in association with an anvil l converts the continuous filaments into fibers 16 of staple length. A rotary beater 17 provided with a saw tooth wire clothing 18 acts on the filaments extending from the nip between the cutter blades 14 and the anvil so that when the filaments are severed by the advancing blades 14, the cut lengths of filament are separated by the beater l7 and convcycd thereby to a fiber feed duct 19 through which they pass in an airstream to a high speed spinning rotor 20 where they are deposited on an internal collecting surface 21 of the rotor 20. The rotor 20 is enclosed in a housing 22 and air is removed from the interior of the rotor 20 either by means on the rotor itself, or by external suction means connected to a suction duct 23 leading to the housing 22. Fibers are removed from the fiber collecting surface 21 and twisted into an end of yarn 24 in well known manner in open end spinning and the twisted yarn 24 is continuously removed from the spinning rotor by yarn delivery rollers 25, 26 and taken up on a package (not shown).
The rotary beater 17, may, if desired, be replaced by an opening roller provided with needles. Alternatively, the rotary beater 17 may be replaced by a roller drafting system as illustrated in FIG. 2, which shows a two-over-two drafting system with front rollers 27 and 28 and back rollers 29 and 30 provided with cooperating top and bottom aprons 31 and 32. The draw ratio of the drafting system is made high in order to assist in the separation of the mass of fibers into discrete fibers before their entry to the fiber feed duct 19.
The filament tow may, if desired, be cut by any other means or may be stretch broken as illustrated in FIG. 3 by feeding it successively through pairs of rollers 33, 34 and 35, 36, the latter of which is run at a considerably higher speed than the former, and then subjecting the staple fibers thus formed to a drafting or opening operation in a roller drafting system as described with reference to FIG. 2 before feeding them in an airstream through the duct 19 to the spinning rotor 20.
Two or more tows of the same material or different materials may be fed to the staple forming and spinning section to provide a yarn of blended material, or staple fibers may be fed to the spinning section in addition to those formed from the continuous filament tow.
It will be appreciated that instead of feeding a tow of filaments to the severing means a mono filament can be fed and cut into staple lengths for feeding to the spinning rotor.
What we claim is:
l. A method of open end spinning of textile yarns, comprising the steps of continuously advancing a filament or tow of filaments to a severing station, continuously severing the filament or tow of filaments into fibers of staple length at the severing station, continuously subjecting the fibers of staple length to an opening operation and then continuously conveying the fibers in discrete manner to an internal fiber collecting surface of a spinning rotor, continuously removing the fibers from the fiber collecting surface to form the tail end of a yarn, and drawing off the continuously formed twisted yarn.
2. A method according to claim 1, wherein the filaments or tow of filaments is severed by cutting them.
3. A method according to claim 1, wherein the severing of the filament or tow of filaments into fibers of staple length is effected by stretch-breaking it.
4. A method according to claim 1, wherein the fibers are opened in said opening operation by subjecting them to high draft in a roller drafting zone.
5. A method according to claim 1, wherein the fibers of staple length are delivered to the fiber collecting surface of the spinning rotor in an airstream.
6. Apparatus for the open end spinning of textile yarns comprising a spinning rotor having an internal fiber collecting surface, fiber supply means for continuously supplying discrete fibers to the fiber collecting surface, and yarn drawoff means for drawing off yarn formed by the continuous removal of the fibers from the collecting surface, said fiber supply means including severing means, filament forwarding means for continuously forwarding a filament or tow of filaments to the severing means which continuously severs the filament or tow to produce fibers of staple length, and conveying means for continuously conveying the severed fibers in discrete manner to the fiber collecting surface of the spinning rotor and including opening means for continuously opening the fibers severed by the severing means.
7. A machine according to claim 6, wherein said severing means comprises a cutting device which cuts the filament or tow of filaments into fibers of staple length.
8. A machine according to claim 7, wherein the said cutting device comprises a rotary cutter provided with helical blades which cooperate with a stationary anvil to cut the continuous filament or tow of filaments into fibers of staple length.
9. A machine according to claim'6, wherein the severing means comprises a stretch-break drafting zone.
10. A machine according to claim 9, wherein said drafting zone is formed by first and second pairs of rollers through which the filament or tow of filaments is successively passed,
means comprises a high draft roller drafting zone.
13. A machine according to claim 6, wherein the conveying means includes a fiber feed duct through which the fibers are conveyed to the fiber collecting surface of said spinning rotor in an airstream.

Claims (13)

1. A method of open end spinning of textile yarns, comprising the steps of continuously advancing a filament or tow of filaments to a severing station, continuously severing the filament or tow of filaments into fibers of staple length at the severing station, continuously subjecting the fibers of staple length to an opening operation and then continuously conveying the fibers in discrete manner to an internal fiber collecting surface of a spinning rotor, continuously removing the fibers from the fiber collecting surface to form the tail end of a yarn, and drawing off the continuously formed twisted yarn.
2. A method according to claim 1, wherein the filaments or tow of filaments is severed by cutting them.
3. A method according to claim 1, wherein the severing of the filament or tow of filaments into fibers of staple length is effected by stretch-breaking it.
4. A method according to claim 1, wherein the fibers are opened in said opening operation by subjecting them to high draft in a roller drafting zone.
5. A method according to claim 1, wherein the fibers of staple length are delivered to the fiber collecting surface of the spinning rotor in an airstream.
6. Apparatus for the open end spinning of textile yarns comprising a spinning rotor haviNg an internal fiber collecting surface, fiber supply means for continuously supplying discrete fibers to the fiber collecting surface, and yarn drawoff means for drawing off yarn formed by the continuous removal of the fibers from the collecting surface, said fiber supply means including severing means, filament forwarding means for continuously forwarding a filament or tow of filaments to the severing means which continuously severs the filament or tow to produce fibers of staple length, and conveying means for continuously conveying the severed fibers in discrete manner to the fiber collecting surface of the spinning rotor and including opening means for continuously opening the fibers severed by the severing means.
7. A machine according to claim 6, wherein said severing means comprises a cutting device which cuts the filament or tow of filaments into fibers of staple length.
8. A machine according to claim 7, wherein the said cutting device comprises a rotary cutter provided with helical blades which cooperate with a stationary anvil to cut the continuous filament or tow of filaments into fibers of staple length.
9. A machine according to claim 6, wherein the severing means comprises a stretch-break drafting zone.
10. A machine according to claim 9, wherein said drafting zone is formed by first and second pairs of rollers through which the filament or tow of filaments is successively passed, with the second pair of rollers running at a sufficiently higher speed than the first pair of rollers to stretch-break the filament or tow of filaments drafted therein.
11. A machine according to claim 6, wherein said opening means comprises a rotary beater provided with saw tooth wire clothing.
12. A machine according to claim 6, wherein said opening means comprises a high draft roller drafting zone.
13. A machine according to claim 6, wherein the conveying means includes a fiber feed duct through which the fibers are conveyed to the fiber collecting surface of said spinning rotor in an airstream.
US842924A 1968-07-25 1969-07-18 Spinning of textile yarns Expired - Lifetime US3650104A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750382A (en) * 1972-03-10 1973-08-07 Toray Industries Process and apparatus for feeding fiber in an open end spinning machine
US3822541A (en) * 1972-01-14 1974-07-09 Platt International Ltd Open end spinning apparatus
US3834145A (en) * 1971-08-11 1974-09-10 Platt International Ltd Open-end spinning of textile yarns
US3875733A (en) * 1972-02-18 1975-04-08 Krupp Gmbh Feeding arrangement for fiber slubbing to an opening-up roller of open-end spinning machines
US3945188A (en) * 1973-04-19 1976-03-23 Pierre Muller Method of spinning synthetic textile fibers
US3973382A (en) * 1974-02-12 1976-08-10 Hironori Hirai Yarn guide device for an open-end spinning machine
US4054024A (en) * 1974-09-30 1977-10-18 Hironori Hirai Apparatus for stopping and restarting the operation of an open-end spinning system
US4698956A (en) * 1986-05-29 1987-10-13 Gentex Corporation Composite yarn and method for making the same
US5333440A (en) * 1992-08-21 1994-08-02 Tns Mills, Inc. Automated spinning apparatus and process
US5353488A (en) * 1992-11-10 1994-10-11 Tns Mills, Inc. Yarn conditioning apparatus
US5410788A (en) * 1992-11-10 1995-05-02 Tns Mills, Inc. Yarn conditioning process & apparatus
US5428884A (en) * 1992-11-10 1995-07-04 Tns Mills, Inc. Yarn conditioning process
US5459990A (en) * 1993-10-14 1995-10-24 Tns Mills, Inc. Facility and method for producing yarn
US5465565A (en) * 1992-08-21 1995-11-14 Tns Mills Apparatus and method for delivery of sliver to ringless spinning machine
US5598692A (en) * 1992-08-21 1997-02-04 Tns Mills Inc. Apparatus and method for delivery of sliver to ring spinning machines
US20060026945A1 (en) * 2004-08-06 2006-02-09 Stowe-Pharr Mills, Inc. High-strength spun yarn produced from continuous high-modulus filaments, and process for making same

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1290527A (en) * 1969-07-08 1972-09-27
DE2167308C3 (en) * 1971-12-11 1985-03-21 Stahlecker, Fritz, 7347 Bad Überkingen Open-end spinning device
DE2161619C3 (en) * 1971-12-11 1982-05-27 Stahlecker, Fritz, 7347 Bad Überkingen Open-end spinning device
EP0101443B1 (en) * 1981-09-19 1986-07-23 Fritjof Dr.-Ing. Maag Method and device for producing a spun yarn from a cord of fibers
DE102004016401B4 (en) * 2004-03-26 2012-04-19 Wilhelm Stahlecker Gmbh Disassembly unit for an open-end spinning device
DE202013000087U1 (en) 2013-01-04 2014-01-08 Vitec Videocom GmbH Follow Focus
GB2547884B (en) 2016-01-23 2020-02-19 Subratie Andrew Follow focus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258661A (en) * 1938-12-01 1941-10-14 Celanese Corp Production of staple fiber yarns and like products
US2570184A (en) * 1949-05-03 1951-10-09 Abbott Worsted Mills Inc Cutting tow
US2719336A (en) * 1950-11-22 1955-10-04 Owens Corning Fiberglass Corp Method and apparatus for conveying and severing mineral fibers
US3330008A (en) * 1964-09-21 1967-07-11 Werner Hugo Wilhelm D Schuller Apparatus for manufacturing slivers or yarns from glass filaments or the like
US3370413A (en) * 1965-11-16 1968-02-27 Vyzk Ustav Bavlnarsky Spinning device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258661A (en) * 1938-12-01 1941-10-14 Celanese Corp Production of staple fiber yarns and like products
US2570184A (en) * 1949-05-03 1951-10-09 Abbott Worsted Mills Inc Cutting tow
US2719336A (en) * 1950-11-22 1955-10-04 Owens Corning Fiberglass Corp Method and apparatus for conveying and severing mineral fibers
US3330008A (en) * 1964-09-21 1967-07-11 Werner Hugo Wilhelm D Schuller Apparatus for manufacturing slivers or yarns from glass filaments or the like
US3370413A (en) * 1965-11-16 1968-02-27 Vyzk Ustav Bavlnarsky Spinning device

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834145A (en) * 1971-08-11 1974-09-10 Platt International Ltd Open-end spinning of textile yarns
US3822541A (en) * 1972-01-14 1974-07-09 Platt International Ltd Open end spinning apparatus
US3875733A (en) * 1972-02-18 1975-04-08 Krupp Gmbh Feeding arrangement for fiber slubbing to an opening-up roller of open-end spinning machines
US3750382A (en) * 1972-03-10 1973-08-07 Toray Industries Process and apparatus for feeding fiber in an open end spinning machine
US3945188A (en) * 1973-04-19 1976-03-23 Pierre Muller Method of spinning synthetic textile fibers
US3973382A (en) * 1974-02-12 1976-08-10 Hironori Hirai Yarn guide device for an open-end spinning machine
US4054024A (en) * 1974-09-30 1977-10-18 Hironori Hirai Apparatus for stopping and restarting the operation of an open-end spinning system
US4698956A (en) * 1986-05-29 1987-10-13 Gentex Corporation Composite yarn and method for making the same
US5333440A (en) * 1992-08-21 1994-08-02 Tns Mills, Inc. Automated spinning apparatus and process
US5465565A (en) * 1992-08-21 1995-11-14 Tns Mills Apparatus and method for delivery of sliver to ringless spinning machine
US5598692A (en) * 1992-08-21 1997-02-04 Tns Mills Inc. Apparatus and method for delivery of sliver to ring spinning machines
US5775082A (en) * 1992-08-21 1998-07-07 Tns Mills Inc. Discrete sliver tube fitting having internal sliver brake
US5353488A (en) * 1992-11-10 1994-10-11 Tns Mills, Inc. Yarn conditioning apparatus
US5410788A (en) * 1992-11-10 1995-05-02 Tns Mills, Inc. Yarn conditioning process & apparatus
US5423109A (en) * 1992-11-10 1995-06-13 Tns Mills, Inc. Yarn conditioning apparatus
US5428884A (en) * 1992-11-10 1995-07-04 Tns Mills, Inc. Yarn conditioning process
US5459990A (en) * 1993-10-14 1995-10-24 Tns Mills, Inc. Facility and method for producing yarn
US20060026945A1 (en) * 2004-08-06 2006-02-09 Stowe-Pharr Mills, Inc. High-strength spun yarn produced from continuous high-modulus filaments, and process for making same
US7188462B2 (en) 2004-08-06 2007-03-13 Stowe-Pharr Mills, Inc. High-strength spun yarn produced from continuous high-modulus filaments, and process for making same

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DE1937173A1 (en) 1970-01-29
ES369897A1 (en) 1972-01-01
FR2013679A1 (en) 1970-04-03
CH512598A (en) 1971-09-15
GB1280456A (en) 1972-07-05

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Owner name: HOLLINGSWORTH (UK) LIMITED, SCAITCLIFFE ST., ACCRI

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:TMM (RESEARCH) LIMITED, AN ENGLISH COMPANY;REEL/FRAME:004198/0242

Effective date: 19830720