Patent ID: 7318562

Claim:
An automatic rewinding machine for forming logs of web material wound on cores, said web material having spaced apart lines of perforations, the machine comprising a first winding roller, a second winding roller and a third winding roller; a core inserter; and a web material separator positioned to operate between a point of release of a new core and a position of a nearly completed log, said web material separator periodically pinching said web material between the point of release and said first winding roller when a peripheral speed of said web material separator is less than a speed at which the web material is moving to thereby cause said web material to separate along a line of said lines of perforations at a point in said web material located between said new core and said web material separator, and a core introduction surface on which said new core is introduced comprising a plurality of strips, said web material separator comprising a plurality of web engagement devices spaced apart from each other and constructed and arranged to pass between said strips of the core introduction surface.