Patent ID: 6551436
Filing Date: 2003-04-22
Classification: A61F,B26F,Y10T

Abstract:
A method of forming an apertured web, said method comprising the steps of:a) feeding a web in a machine direction through a first nip formed by a pair of rollers one of said rollers having a smooth outer surface and the other roller having an outer surface with a plurality of projections extending from said outer surface, at least one of said rollers being heated, such that said web is apertured with a plurality of apertures with the web removed and a fuse perimeter; b) cooling said web to solidify said fused perimeter of said apertures; and c) feeding said web through a second nip formed by a pair of rollers to break said solidified fused perimeter of said apertures, one of said rollers of said second nip having an outer surface with a plurality of grooves.