Patent ID: 6102313
Filing Date: 2000-08-15
Classification: B65H

Abstract:
An apparatus for producing a coreless roll from a self-adhesive material supplied as a continuous sheet, comprising:a mandrel having a first configuration wherein a length of said sheet can be wound into a roll on a surface of the mandrel with a first perimeter and a second configuration wherein said surface has a perimeter less than said first perimeter to allow said mandrel to be removed from said roll;a winder to rotate said mandrel to wind said length of sheet onto said mandrel in said first configuration; anda tensioner to longitudinally tension said length of sheet;a controller to deactivate said tensioner while a preselected amount of said length is wound on to said mandrel under substantially no tension, and to activate said tensioner after said preselected amount has been wound to tension the remainder of said length, whereupon said mandrel can be reduced to said second configuration and removed from said roll.