B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 20/10 (2006.01) B65H 5/22 (2006.01) B65H 20/00 (2006.01) D21F 7/00 (2006.01)
Patent
CA 2494019
The invention relates to a vacuum belt conveyor for transferring a web threading tail in a web manufacturing machine. The vacuum belt conveyor comprises a frame construction (15) and an air permeable belt loop (20), which is arranged around break back rolls (16, 17). The vacuum belt conveyor also comprises first vacuum means (22) for creating a vacuum effect for the part of the belt loop (20) that transports the web threading tail (14) and second vacuum means (23) for creating a vacuum effect in connection with the first break back roll (16) of the said break back rolls (16, 17). The second vacuum means (23) are arranged in the frame construction (15) for creating a vacuum to be introduced to the first break back roll (16) inside the belt loop (20).
La présente invention concerne un transporteur à courroie sous vide pour le transfert d'un bout bout d'engagement de bande dans une machine de fabrication de feuille. Le transporteur à courroie sous vide comprend un bâti (15) et une boucle de courroie perméable à l'air (20), qui est disposée autour de rouleaux inverseur (16, 17). Le transporteur comprend également un premier dispositif (22) pour créer un effet de vide pour la partie de la boucle de courroie (20) qui transporte le bout d'engagement de bande (14) et un second dispositif (23) pour créer un effet de vide en relation avec le premier rouleau inverseur (16) dudit bâti (15) pour créer un vide à exercer sur le premier rouleau inverseur (16) dans la boucle de courroie (20).
Junttonen Mikael
Koljonen Veli-Pekka
Lehtonen Matti
Gowling Lafleur Henderson Llp
Metso Paper Inc.
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