D - Textiles – Paper – 02 – G
Patent
D - Textiles, Paper
02
G
D02G 3/38 (2006.01)
Patent
CA 2356285
The invention concerns a method and apparatus for covering a core yarn with a cover yarn, the apparatus comprising a mounting for a package (44) of core yarn (42) which is held against rotation, first and second discs (38, 80) arranged above and below the package (44) and means (28, 74) for rotating the discs at the same speed and in the same direction. The apparatus includes also a mounting (12) for a package of cover yarn (14) and take-off means for leading cover yarn from the package to the centre of the first disc (38) after which it is guided to the periphery of the first disc and from the periphery of the first disc past the side of the core yarn package to the periphery of the second disc, the cover yarn then being guided to the centre of the second disc at which point it is brought into contact with the core yarn (42) which has been removed from its package and guided along the axis of the package, through the centre of the second disc, whereby cover yarn is wound around the core yarn, the covered yarn then being drawn off by draw off means (86, 88, 90).
L'invention concerne un procédé et un appareil de guipage d'un fil à âme avec un fil de guipage, l'appareil comprenant un montage de bobine (44) de fil à âme (42) qui est empêché de tourner, un premier et un deuxième disque (38, 80) disposés au-dessus et au-dessous de la bobine (44) et un dispositif (28, 74) destiné à imprimer un mouvement de rotation aux disques à la même vitesse et dans la même direction. L'appareil comprend également un montage (12) de bobine de fil de guipage (14) et un dispositif d'alimentation destiné à guider le fil de guipage de la bobine au centre du premier disque (38) après quoi le fil passe à la périphérie du premier disque et de la périphérie du premier disque, passe par le côté de la bobine de fil à âme et à la périphérie du deuxième disque. Le fil de guipage passe ensuite au centre du deuxième disque, point auquel il entre en contact avec le fil à âme (42) que l'on a retiré de sa bobine et qui passe le long de l'axe de la bobine par le centre du deuxième disque, le fil de guipage étant enroulé autour du fil à âme et le fil guipé étant étiré par un dispositif d'étirage (86, 88, 90).
Adria Limited
Riches Mckenzie & Herbert Llp
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