Method and apparatus in ropeless tail threading in a...

Details Method and apparatus in ropeless tail threading in a... Method and apparatus in ropeless tail threading in a...

D - Textiles, Paper

21

G

D21G 1/02 (2006.01) D21G 1/00 (2006.01)

Patent

CA 2429333

The invention relates to a to a method and apparatus in ropeless tail threading in a mufti-roll calender (10). The threading tail (T) is guided through the multi-roll calender (10) in such a way that, before the multi- roll calender (10), the threading tail (T) is guided first of all to the broke processing and then cut when the tail threading begins. The tail threading takes place in stages, so that at least once during the tail threading the threading tail (T) in connection with the multi-roll calender (10) is guided to broke processing and cut, after which the, tail threading is continued, once the previous stage has succeeded.

Cette invention porte sur une méthode et un dispositif d'amorçage d'une calandre à plusieurs cylindres (10) permettant d'engager la pointe directement. La pointe d'amorçage (T) est guidée à travers la calandre à plusieurs rouleaux (10) de manière à ce que, devant la calandre à plusieurs rouleaux (10), la pointe d'amorçage (T) est guidée tout d'abord au traitement du papier de rebut , puis à la coupe, lorsque l'amorçage de la pointe commence. Cet amorçage s'effectue par étapes, de sorte que, au moins une fois au cours de l'amorçage de la pointe, la pointe d'amorçage (T) relativement à la calandre à plusieurs rouleaux (10), est guidée au traitement du papier de rebut et à la coupe, après quoi, l'amorçage de la pointe se poursuit, une fois l'étape précédente réussie.

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