METHOD OF PERFORATING A NONLINEAR LINE OF WEAKNESS
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United States of America Patent
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Issued Date -
Nov 16, 2023
app pub date -
May 19, 2023
filing date -
May 19, 2023
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Abstract
A method for perforating a web with a perforating apparatus includes: rotating a cylinder about a longitudinal cylinder axis, wherein the cylinder comprises at least one shaped blade; operatively engaging a moveable support with the cylinder; positioning an anvil disposed on the support so as to cooperate in contacting relationship with the shaped blade, wherein at least one of the blade and the anvil comprise a plurality of teeth, and wherein adjacent teeth are separated by a recessed portion; feeding a web between the cylinder and the support; and perforating the web as the anvil cooperates in contacting relationship with the shaped blade disposed on the rotating cylinder.
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