Patent ID: 6035753
Filing Date: 2000-03-14
Classification: B26F,Y10T

Abstract:
An adjustable perforation device for cutting perforations in a multi-ply form, comprising:a first blade having a plurality of teeth, each of said plurality of teeth having a first predetermined length, said plurality of teeth being separated by a plurality of spaces, each of said plurality of spaces having a second predetermined length wherein said second predetermined length is greater than said first predetermined length; anda second blade having a plurality of teeth, each of said plurality of teeth having said first predetermined length, said plurality of teeth being separated by a plurality of spaces, each of said plurality of spaces having said second predetermined length wherein said second predetermined length is greater than said first predetermined length and with said spaces being wider than said teeth;said first blade being attached to said second blade such that said plurality of teeth of said first blade do not overlap with said plurality of teeth of said second blade and wherein said plurality of teeth of said first blade are substantially the same height as said plurality of teeth of said second blade to provide a single perforation line in the multi-ply form which has smaller ties than either said first blade or said second blade could provide independently.