ATE18266T1 - SEWING THREAD AND METHOD OF PRODUCTION. - Google Patents

SEWING THREAD AND METHOD OF PRODUCTION.

Info

Publication number
ATE18266T1
ATE18266T1 AT81303745T AT81303745T ATE18266T1 AT E18266 T1 ATE18266 T1 AT E18266T1 AT 81303745 T AT81303745 T AT 81303745T AT 81303745 T AT81303745 T AT 81303745T AT E18266 T1 ATE18266 T1 AT E18266T1
Authority
AT
Austria
Prior art keywords
yarn
heat treating
sewing thread
false twisting
thread
Prior art date
Application number
AT81303745T
Other languages
German (de)
Inventor
Takao Negishi
Teiryo Kojima
Original Assignee
Toray Industries
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 Toray Industries filed Critical Toray Industries
Application granted granted Critical
Publication of ATE18266T1 publication Critical patent/ATE18266T1/en

Links

Classifications

    • 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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/46—Sewing-cottons or the like
    • 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
    • D02G1/0286—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 characterised by the use of certain filaments, fibres or yarns
    • 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
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D02G1/168—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam including drawing or stretching on the same machine
    • 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
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

A method for manufacturing a sewing thread comprising the following steps: drawing an undrawn polyester mutifilament yarn; preliminary heat treating the drawn yarn at an effective heat treating temperature before false twisting; then, false twisting the heat treated synthetic multifilament yarn at a temperature of at least 150 DEG C: subjecting the false twisted yarn to a fluid jet treatment under the slackened condition so as to intermittently interlace in a lengthwise direction constituent filaments of the yarn and so as to form protruded portions protruding from the surface of the yarn; and post-heat treating the interlaced yarn at an effective heat treating temperature being higher than the heat treating temperature of the false twisting. Thus, a thread suitable for sewing can be obtained. The produced sewing thread comprises at least one synthetic multifilament yarn, in which thread constituent filaments of the multifilament yarn are intermittently interlaced along the lengthwise direction thereof, and a part of the constituent filaments of the multifilament yarn is protruded from tne surface of the multifilament yarn; and the torque of the sewing thread is very small in spite of the fact that substantially all filaments constituting the sewing thread have been subjected to the same false twisting.
AT81303745T 1981-08-18 1981-08-18 SEWING THREAD AND METHOD OF PRODUCTION. ATE18266T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81303745A EP0072881B1 (en) 1981-08-18 1981-08-18 A sewing thread and method for manufacturing the same

Publications (1)

Publication Number Publication Date
ATE18266T1 true ATE18266T1 (en) 1986-03-15

Family

ID=8188373

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81303745T ATE18266T1 (en) 1981-08-18 1981-08-18 SEWING THREAD AND METHOD OF PRODUCTION.

Country Status (3)

Country Link
EP (1) EP0072881B1 (en)
AT (1) ATE18266T1 (en)
DE (1) DE3173879D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE26134T1 (en) * 1982-10-07 1987-04-15 Toray Industries SEWING THREAD AND METHOD OF MAKING THE SAME.
US5791135A (en) * 1996-06-20 1998-08-11 American & Efird, Inc. Heat treatment of textile strands prior to plying

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6403698A (en) * 1964-04-08 1965-10-11
CA972636A (en) * 1974-12-10 1975-08-12 Alexander Milovanovic Sewing thread
US4228640A (en) * 1976-04-07 1980-10-21 Fiber Industries, Inc. Simulated spun-like ingrain yarn
US4164117A (en) * 1976-04-07 1979-08-14 Fiber Industries, Inc. Method for making simulated spun-like ingrain yarn
DE2628774C2 (en) * 1976-06-26 1978-07-06 Zwirnerei Ackermann, Werk Der Ackermann-Goeggingen Ag, 7100 Heilbronn Method and device for producing a textured yarn or thread
US4170867A (en) * 1978-02-27 1979-10-16 Phillips Petroleum Company Spun-like continuous multifilament yarn

Also Published As

Publication number Publication date
EP0072881B1 (en) 1986-02-26
EP0072881A1 (en) 1983-03-02
DE3173879D1 (en) 1986-04-03

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee