FR2428092A1 - Dispositif pour donner une torsion alternee a au moins un fil en mouvement - Google Patents

Dispositif pour donner une torsion alternee a au moins un fil en mouvement

Info

Publication number
FR2428092A1
FR2428092A1 FR7817700A FR7817700A FR2428092A1 FR 2428092 A1 FR2428092 A1 FR 2428092A1 FR 7817700 A FR7817700 A FR 7817700A FR 7817700 A FR7817700 A FR 7817700A FR 2428092 A1 FR2428092 A1 FR 2428092A1
Authority
FR
France
Prior art keywords
yarn
discs
twist
rotary discs
false
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.)
Granted
Application number
FR7817700A
Other languages
English (en)
Other versions
FR2428092B1 (fr
Inventor
Jean Venot
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.)
Asa SA
Original Assignee
Asa SA
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 Asa SA filed Critical Asa SA
Priority to FR7817700A priority Critical patent/FR2428092A1/fr
Publication of FR2428092A1 publication Critical patent/FR2428092A1/fr
Application granted granted Critical
Publication of FR2428092B1 publication Critical patent/FR2428092B1/fr
Granted legal-status Critical Current

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
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D02G3/28—Doubled, plied, or cabled threads
    • D02G3/286—Doubled, plied, or cabled threads with alternatively "S" and "Z" direction of twist, e.g. Self-twist process
    • 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
    • D02G1/087—Rollers or other friction causing elements between the flanks of rotating discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne un dispositif perfectionné permettant de communiquer une torsion alternée à un fil en mouvement Le dispositif selon l'invention se caractérise en ce qu'il est constitué de deux disques rotatifs montés sur deux arbres, entraînés en rotation en sens inverse l'un de l'autre, les axes de ces arbres étant soit parallèles, soit confondus et les deux disques se recouvrant au moins partiellement, les faces en regard desdits disques comportant sur leur zone périphérique des éléments de friction, dont la longueur correspond à la longueur de la corde définie, en vue de dessus, par l'intersection des deux disques, lesdits éléments étant séparés entre eux par des zones exemptes de surface de friction. Application : obtention de fils à torsion alternée, de fils auto-tordus.
FR7817700A 1978-06-06 1978-06-06 Dispositif pour donner une torsion alternee a au moins un fil en mouvement Granted FR2428092A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7817700A FR2428092A1 (fr) 1978-06-06 1978-06-06 Dispositif pour donner une torsion alternee a au moins un fil en mouvement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7817700A FR2428092A1 (fr) 1978-06-06 1978-06-06 Dispositif pour donner une torsion alternee a au moins un fil en mouvement

Publications (2)

Publication Number Publication Date
FR2428092A1 true FR2428092A1 (fr) 1980-01-04
FR2428092B1 FR2428092B1 (fr) 1981-07-17

Family

ID=9209458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7817700A Granted FR2428092A1 (fr) 1978-06-06 1978-06-06 Dispositif pour donner une torsion alternee a au moins un fil en mouvement

Country Status (1)

Country Link
FR (1) FR2428092A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4218107A1 (de) * 1991-06-21 1992-12-24 Rieter Ag Maschf Drallorgan fuer mechanisches falschdrallspinnen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1405219A (fr) * 1962-10-19 1965-07-09 Commw Scient Ind Res Org Procédé et dispositif pour former des fils torsadés
FR1551264A (fr) * 1966-12-05 1968-12-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1405219A (fr) * 1962-10-19 1965-07-09 Commw Scient Ind Res Org Procédé et dispositif pour former des fils torsadés
FR1551264A (fr) * 1966-12-05 1968-12-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4218107A1 (de) * 1991-06-21 1992-12-24 Rieter Ag Maschf Drallorgan fuer mechanisches falschdrallspinnen

Also Published As

Publication number Publication date
FR2428092B1 (fr) 1981-07-17

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Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse