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CH545358A - Method of torsional crimping - Google Patents

Method of torsional crimping

Info

Publication number
CH545358A
CH545358A CH669471A CH669471A CH545358A CH 545358 A CH545358 A CH 545358A CH 669471 A CH669471 A CH 669471A CH 669471 A CH669471 A CH 669471A CH 545358 A CH545358 A CH 545358A
Authority
CH
Switzerland
Prior art keywords
crimping
torsional
torsional crimping
Prior art date
Application number
CH669471A
Other languages
German (de)
Inventor
Heinrich Richter Hans
Original Assignee
Leesona Corp
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 Leesona Corp filed Critical Leesona Corp
Publication of CH545358A publication Critical patent/CH545358A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
CH669471A 1970-05-06 1971-05-06 Method of torsional crimping CH545358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2555970A 1970-05-06 1970-05-06

Publications (1)

Publication Number Publication Date
CH545358A true CH545358A (en) 1973-06-15

Family

ID=21826776

Family Applications (2)

Application Number Title Priority Date Filing Date
CH669471A CH545358A (en) 1970-05-06 1971-05-06 Method of torsional crimping
CH669471D CH669471A4 (en) 1970-05-06 1971-05-06

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH669471D CH669471A4 (en) 1970-05-06 1971-05-06

Country Status (6)

Country Link
US (1) US3695020A (en)
CA (1) CA939219A (en)
CH (2) CH545358A (en)
DE (1) DE2122486A1 (en)
FR (1) FR2105776A5 (en)
GB (1) GB1349685A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2248348B1 (en) * 1973-10-19 1976-05-14 Chavanoz Sa
US4002018A (en) * 1975-04-18 1977-01-11 Heberlein Maschinenfabrik Ag Device for modifying the yarn wrap angle in a friction false-twist device
US7647993B2 (en) 2004-05-06 2010-01-19 Smith International, Inc. Thermally stable diamond bonded materials and compacts
CN102978751B (en) * 2012-11-19 2014-12-10 无锡宏大纺织机械专件有限公司 Two-for-one twisting false twisting yarn channel by two-side rounding type coaxial double-overfeeding one-step method
CN113862795B (en) * 2021-11-19 2023-09-08 浙江理工大学 Cocoon silk gathering device with guide wheel and cocoon silk gathering method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936567A (en) * 1955-07-19 1960-05-17 British Nylon Spinners Ltd Twisting of textile filaments
US3029591A (en) * 1956-08-23 1962-04-17 Sydney & E Scragg Ltd Twisting of textile yarns
US2936570A (en) * 1956-11-16 1960-05-17 British Nylon Spinners Ltd Twisting of textile filaments
GB850079A (en) * 1957-02-14 1960-09-28 British Nylon Spinners Ltd Improvements in or relating to the production of stretch yarns
US3066473A (en) * 1960-03-23 1962-12-04 Maeda Yutaka Apparatus and method for imparting twist and crimp to textile yarns
FR1285433A (en) * 1961-01-13 1962-02-23 Improvements to false torsion devices
CH520213A (en) * 1968-02-29 1972-03-15 Unitika Ltd Process for making crimped yarn
GB1239412A (en) * 1968-07-05 1971-07-14

Also Published As

Publication number Publication date
DE2122486A1 (en) 1971-11-25
CA939219A (en) 1974-01-01
FR2105776A5 (en) 1972-04-28
GB1349685A (en) 1974-04-10
US3695020A (en) 1972-10-03
CH669471A4 (en) 1973-06-15

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