Patent ID: 7726598
Filing Date: 2010-06-01
Classification: B65H

Abstract:
1. An unwinding device for unwinding reels of web material comprising a rotating element with supports for at least two reels and a splicing member to join a first web material coming from an expiring reel to an initial free end of a second web material wound on a new reel; wherein at least one mechanical member is associated with each support of said supports to retain the initial free end of the new reel disposed on the support; wherein said at least one mechanical member is torsionally connected to a respective support before said splicing member joins said first web material to said initial free end of said second web material, and, is torsionally released from the respective support after said splicing member joins said first web material to said initial free end of said second web material, thereafter said at least one mechanical member being connected to said support and in a neutral position which does not interfere with unwinding of said new reel.