D - Textiles – Paper – 21 – G
Patent
D - Textiles, Paper
21
G
D21G 9/00 (2006.01) D21F 7/00 (2006.01)
Patent
CA 2444646
The invention relates to an arrangement in tail threading in a multinip calender of a paper machine. The multinip calender comprises rolls (11.1 - 11.6) that form nips (N1 - N5), extraction rolls (16.1 - 16.4) as well as tail threading means for guiding the tail (T) to be transferred during tail threading through the multinip calender. The arrangement includes a holding point (12) adapted prior to the last nip (N5) and a cutting device (14). The arrangement further includes a support device (15) adapted at the holding point (12) for supporting the tail (T) during cutting.
L'invention porte sur un mécanisme d'engagement de pointe dans une calandre à lignes de contact multiples d'une machine à papier. La calandre à lignes de contact multiples comprend des rouleaux (11.1 à 11.6) formant des lignes de contact (N1 à N5), des rouleaux d'extraction (16.1 à 16.4), ainsi qu'un mécanisme d'engagement de pointe pour guider la pointe (T) qui doit être acheminée dans la calandre à lignes de contact multiples. Le mécanisme comprend un point de retenue (12) monté en amont de la dernière ligne de contact (N5) et un outil de coupe (14). Le mécanisme inclut aussi un dispositif support (15) adapté au point de retenue (12) et qui supporte la pointe (T) pendant la coupe.
Kallio Ismo
Laitio Juha
Linnonmaa Pekka
Gowling Lafleur Henderson Llp
Metso Paper Inc.
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