B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 18/26 (2006.01) B65H 19/22 (2006.01)
Patent
CA 2169011
The invention concerns a method and a device for finishing the surface layers of the machine reel (13) that is formed during reeling of the web (P). In the method, a member (20) that presses the web is brought onto the face of the reel (12) that is being completed before the reel (12) that is being completed is transferred to the reel change position. The full reel (12) is transferred to the reel change position so that the member (20) that presses the web during nip-free reeling forms a contact with the web, which contact prevents access of air between the web layers, and follows the full reel (12) during its transfer to the reel change position. During the reeling of the surface layers to be finished, the member (20) that presses the web is shifted apart from the face of the reel (12) that is being completed along such a path (D) of movement that the member (20) that presses the web maintains a contact of the desired extent with the face of the reel (12) that is being completed.
L'invention porte sur un procédé et un dispositif d'achèvement des couches superficielles d'une bobine (13) pendant la dernière phase du bobinage d'un rouleau (P). Selon ledit procédé un élément (20) pressant le rouleau entre en contact avec la surface de la bobine en cours d'achèvement avant qu'elle (12) ne soit transférée sur le site de changement de bobine. Pendant le transfert de la bobine pleine (12) sur ledit site, et alors que le bobinage s'achève librement (le contact avec le cylindre presseur ayant cessé) l'élément presseur (20) reste en contact avec le rouleau ce qui empêche l'air de pénétrer entre les spires du rouleau, et suit la bobine pleine (12) jusqu'au site de changement de bobine. Pendant le bobinage des dernières couches restant à bobiner l'élément (20) pressant le rouleau (20) s'écarte progressivement de la surface de la bobine (12) selon une trajectoire (D) telle qu'il maintienne un contact de la force souhaitée avec la surface de la bobine en cours d'achèvement.
Aalto Esa
Kyytsonen Markku
Mannio Aaron
Mikkonen Silvo
Metso Paper Inc.
Sim & Mcburney
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