Apparatus for producing a yarn

Details Apparatus for producing a yarn Apparatus for producing a yarn

D - Textiles, Paper

01

G

D01G 1/08 (2006.01) D01H 1/11 (2006.01) D01H 7/92 (2006.01)

Patent

CA 2514054

An apparatus for producing a yarn including reciprocating twisting stage (4) adapted to simultaneously twist one or more slivers to produce one or more twisted strands, including one or more rollers (6a, 6b) arranged to move reciprocally (B) along the axis of rotation of the roller(s) to input twist to the sliver(s), and control means enabling control and variation of one or more of: (a) rotation speed of the rollers(s); (b) extent of transverse movement of the roller(s)s; or (c) speed of the transverse movement of the roller(s), to vary the twist imparted to the sliver(s) or strand(s).

L'invention concerne un appareil de production de fil comprenant un étage de retordage bidirectionnel (4) permettant de retordre simultanément au moins un brin pour produire au moins un fil grège retordu. Cet appareil comprend également au moins un rouleau (6a, 6b) destiné à se déplacer en va-et-vient (B) le long de l'axe de rotation du/des rouleau(x) pour conférer une torsion au(x) brin(x), et un moyen de commande. Pour faire varier la torsion conférée au(x) brin(s) ou fil(s) grège(s), on fait varier au moins : (a) la vitesse de rotation du/des rouleau(x); (b) l'extension du mouvement transversal du/des rouleau(x) ou (c) la vitesse de déplacement transversal du/des rouleau(x).

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