Apparatus for winding stiffened coreless rolls and method

Details Apparatus for winding stiffened coreless rolls and method Apparatus for winding stiffened coreless rolls and method

B - Operations, Transporting

65

H

B65H 18/00 (2006.01) B26D 1/38 (2006.01) B26D 5/04 (2006.01) B26D 11/00 (2006.01) B65H 18/28 (2006.01) B65H 19/22 (2006.01) B65H 19/26 (2006.01) B65H 75/02 (2006.01)

Patent

CA 2125744

An apparatus and method for winding stiffened coreless rolls which include a spiral wound roll formed from this product paper, conventionally paper having a printed pattern or design on one side, and a spiral stiffener sheet extending completely around the roll to stiffen the roll. The apparatus receives continuous webs of product paper and stiffening paper, severs the stiffening paper into short lengths for winding into the roll of product paper and automatically feeds the stiffening sheet onto a length of product paper which is wound into a roll. The two webs are fed to either side of a continuous rotating cutter roll. Anvil assemblies are moved into engagement with a knife carried on the cutter roll for selectively severing the webs as required.

Cette invention concerne une méthode et une machine de bobinage de rouleaux renforcés sans mandrin, rouleaux formés de plusieurs spires de papier, habituellement du papier portant d'un côté des motifs ou un graphisme imprimés, et d'une spire de papier de renfort pleine largeur. La machine reçoit une bande continue de papier à motifs, ainsi qu'une bande continue de papier renfort, découpe le papier renfort en tronçons courts à insérer entre les premières spires du papier à bobiner, tronçons placés automatiquement sur la bande de papier à bobiner. Des enclumes sont amenées en contact avec la lame d'un tambour de découpe à intervalles appropriés pour obtenir les longueurs de tronçon voulues.

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