Patent ID: 6302998
Filing Date: 2001-10-16
Classification: B31F,D21F

Abstract:
A method for embossing an absorbent paper web comprising the steps of:(a) passing the web between first and second rotatable rolls, said rolls having a cylindrical outer surface, said surfaces having an embossing pattern, said first and second roll embossing patterns defined by a plurality of raised male elements and a plurality of recessed female elements, said male elements having a top and a base, said female elements having a bottom and a base, each roll having an embossing pattern mid-plane located equidistant male top and female bottom, each roll having an embossing shoulder located connecting adjacent male and female bases, at least one of said first roll embossing shoulders is located at said first roll embossing pattern mid-plane and at least one of said first roll embossing shoulders is located between said first roll embossing pattern mid-plane and said male top;(b) rotating the rolls such that male and female embossing elements intermesh and deflect the web perpendicular to its plane causing protrusions and depressions in the web;(c) driving the surface of the rolls at a speed substantially equal to the speed of the web; and(d) removing the web from the rolls.