Patent ID: 6418827
Filing Date: 2002-07-16
Classification: B26D,B26F,Y10T

Abstract:
A perforating machine comprisinga supply station for receiving a web of material; conveying means for conveying the web of material from said supply station; a perforating station for perforating the conveyed web, said perforating station including a base roll having a plurality of upstanding filaments for supporting the conveyed web during passage through said perforating station, means for selectively moving said base roll between a retracted position and a raised position supporting the web, and a perforator roll opposite said base roll having a perforating bar disposed axially of said base roll for imparting a plurality of parallel spaced apart lines of perforations in the web passing between said rolls with said base roll in said raised position thereof, each said line of perforations defining a line of weakening in the web for subsequent separation of the web therealong into panels; and a receiving station for receiving the perforated material from said perforating station.