D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 7/00 (2006.01) B65H 23/04 (2006.01) B65H 59/38 (2006.01) D21G 9/00 (2006.01)
Patent
CA 2365388
In the method for threading of a paper or paperboard web a narrower tail (T) separated from the paper or paperboard web (W) is conveyed between different holding points. On the travel path of the tail (T) there is at least one tension measuring device (1) which is arranged to measure the tension of the tail (T) passing by, said device (1) being connected to a data processing unit (7) which is connected to tension control means affecting the tail (T). The threading can be conducted on a tension level lower than the actual running tension of the full-width web (W).
L'invention concerne un procédé d'engagement de bande de papier ou de carton, selon lequel une pointe rétrécie (T), séparée de la bande (W) de papier ou de carton, est transportée entre différents points de support. Un dispositif de mesure de la tension (1), situé sur la voie d'acheminement de la pointe (T), est conçu pour mesurer la tension de la pointe (1) lors de son passage. Le dispositif (1) est relié à une unité de traitement de données (7) qui, elle, est reliée à un organe de commande de tension de la pointe. L'engagement peut s'effectuer à une tension inférieure à la tension réelle de transport de la bande (W) pleine largeur.
Kojo Teppo
Mustonen Harri
Tammenoja Mika
Gowling Lafleur Henderson Llp
Metso Paper Inc.
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