Patent ID: 6641080
Filing Date: 2003-11-04
Classification: B65H

Abstract:
An apparatus for winding a web about a central axis to form a roll, the apparatus comprising:(a) an oscillating, rotating mandrel, the rotating mandrel being oriented along a central axis, (b) a feeding mechanism, the feeding mechanism comprising at least one roller for holding in a feed position a running web to be wound upon the mandrel into a roll, and (c) a retainer assembly, the retainer assembly being mounted around the central axis of the rotating mandrel, the retainer assembly being configured to facilitate oscillating movement of the rotating mandrel to wind in a clockwise and a counterclockwise direction, the retainer assembly providing support to the outer portion of the roll during winding of the web upon the mandrel in forming a roll, the retainer assembly having at least one circumferential support stay for engagement of the web on the outer surface of the roll as the roll builds.