B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 19/22 (2006.01) B65H 19/28 (2006.01) B65H 75/28 (2006.01)
Patent
CA 2306470
The invention concerns a mandrel (1) suitable for coreless web winding machines. The mandrel lodges two expanders (2, 3) pneumatically acted by means of cylinders (4, 5). One of the expander is suitable for gripping and clamping the leading edge of the band to be wound for obtaining coreless rolls. The invention includes, in combination, a device for the transport of the leading edge of the band to the clamp of the mandrel.
Cette invention concerne un mandrin (1) adapté à des machines d'embobinage de bande à âme creuse. Le mandrin contient deux extenseurs (2, 3) actionnés pneumatiquement par des cylindres (4, 5). Un des extenseurs sert à prendre et à serrer le bord avant de la bande devant être enroulée pour former des rouleaux à âme creuse. Cette invention concerne également un dispositif assurant le transport du bord avant de la bande jusqu'au dispositif de serrage du mandrin.
Officina Meccanica Prati Pietro
Prati Pietro
Ridout & Maybee Llp
LandOfFree
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