B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 23/025 (2006.01) B65H 23/02 (2006.01)
Patent
CA 2167466
A method and a device for compensating and equalizing the tension forces across the width of a moving web makes use of a tension compensation roll, which is pivotably supported, and rotatable around a pivotal axis. In the presence of a difference in the tension force across the width of the moving web, the tension compensation roll is pivoted via gears with teeth to an extent such that the tension forces in both halves of the web are equalized.
La présente invention porte sur une méthode et un dispositif permettant de compenser et d'équilibrer les forces de tension qui s'exercent transversalement sur une bande continue en mouvement grâce à l'utilisation d'un rouleau de compensation de tension qui est supporté de façon à pouvoir pivoter et à tourner autour de son axe. Lorsqu'il existe une différence de tension dans le sens transversal de la bande continue en mouvement, des engrenages à dents font pivoter le rouleau de compensation de tension jusqu'au point où les forces de tension des deux moitiés de la bande s'équilibrent.
Niemann Heinrich
Wulf Johannes
Erhardt & Leimer Gmbh
Fetherstonhaugh & Co.
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