GB410745A - Improvements in the manufacture of spun yarns from continuous filaments - Google Patents

Improvements in the manufacture of spun yarns from continuous filaments

Info

Publication number
GB410745A
GB410745A GB3203032A GB3203032A GB410745A GB 410745 A GB410745 A GB 410745A GB 3203032 A GB3203032 A GB 3203032A GB 3203032 A GB3203032 A GB 3203032A GB 410745 A GB410745 A GB 410745A
Authority
GB
United Kingdom
Prior art keywords
filaments
effected
media
breaking
cooling
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
Application number
GB3203032A
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.)
Henry Dreyfuss Associates LLC
Original Assignee
Henry Dreyfuss Associates LLC
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 Henry Dreyfuss Associates LLC filed Critical Henry Dreyfuss Associates LLC
Priority to GB3203032A priority Critical patent/GB410745A/en
Priority to FR763319D priority patent/FR763319A/en
Publication of GB410745A publication Critical patent/GB410745A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D01G1/08—Converting tows to slivers or yarns, e.g. in direct spinning by stretching or abrading
    • D01G1/081—Converting tows to slivers or yarns, e.g. in direct spinning by stretching or abrading with preferential breaking zones
    • D01G1/085—Converting tows to slivers or yarns, e.g. in direct spinning by stretching or abrading with preferential breaking zones obtained by thermic means
    • D01G1/086—Converting tows to slivers or yarns, e.g. in direct spinning by stretching or abrading with preferential breaking zones obtained by thermic means by freezing

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

410,745. Stapling continuous filaments by drawing. DREYFUS, H., 22, Hanover Square, London. Nov. 12, 1932, No. 32030. [Class 120 (iii).] Staple fibres are produced from continuous filaments by rendering the filaments temporarily brittle by cooling, and breaking them into short lengths whilst in that state, whereby breakage is effected without impairing the extensibility of the filaments. The cooling, e.g. to -5‹ C., may be effected by passing cooled brine or liquid air through a hollow roller with which the filaments contact. The breaking may be performed continuously with drawing, so that the continuity of the bundle is preserved ; twisting may also be effected in the same operation. A false twist may be imparted to the fibres, and a device may be provided for supporting the bundle between successive pairs of drawing rollers, e.g. an endless band. Several filamentary bundles may be led side by side, and may be doubled if desired. Filamentary bundles 5 from bobbins 6 pass through guides 7, over the hollow roller 10 through which a refrigerant is passed. The temporarily brittle filaments are then broken by drawing between the rollers 19, 20 and 21, 22, and the sliver twisted, with or without further drawing, by the flyers 9, or by a ring device. The filaments may be moistened by passing over wicks 26 before cooling, so that the moisture freezes and causes greater brittleness. The brittleness is preferably removed immediately after the drawing operation by jets of hot air. According to the Provisional Specification, roughening media, e.g. kieselguhr, talc, pumice, carborundum or emery, or soluble roughening media, e.g. such as described in Specification 372,797 may be applied to or incorporated in the filaments, preferably before breaking, and hygroscopic media, e.g. those described in Specification 387,003 may also be applied.
GB3203032A 1932-11-12 1932-11-12 Improvements in the manufacture of spun yarns from continuous filaments Expired GB410745A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3203032A GB410745A (en) 1932-11-12 1932-11-12 Improvements in the manufacture of spun yarns from continuous filaments
FR763319D FR763319A (en) 1932-11-12 1933-11-03 Improvements in the manufacture of yarns using continuous filaments by spinning operations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3203032A GB410745A (en) 1932-11-12 1932-11-12 Improvements in the manufacture of spun yarns from continuous filaments

Publications (1)

Publication Number Publication Date
GB410745A true GB410745A (en) 1934-05-14

Family

ID=10332006

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3203032A Expired GB410745A (en) 1932-11-12 1932-11-12 Improvements in the manufacture of spun yarns from continuous filaments

Country Status (2)

Country Link
FR (1) FR763319A (en)
GB (1) GB410745A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741301C (en) * 1937-12-16 1943-12-01 Ig Farbenindustrie Ag Process for the production of a draftable sliver from endless thread structures

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174419B (en) * 1984-02-08 1989-01-05 Asahi Chemical Ind Low temperature draft-cutting process and apparatus for preparation of discontinuous filament bundles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741301C (en) * 1937-12-16 1943-12-01 Ig Farbenindustrie Ag Process for the production of a draftable sliver from endless thread structures

Also Published As

Publication number Publication date
FR763319A (en) 1934-04-27

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