Patent ID: 7699955
Filing Date: 2010-04-20
Classification: A61F,B32B,Y10T

Abstract:
1. A method of making an embossed air-laid absorbent sheet material comprising: (a) depositing a dry web of fibers on a foraminous support; (b) compacting the fiber web; (c) embossing the compacted fiber web with an embossing roll provided with a plurality of sinuate bosses radially projecting circumferentially around the embossing roll to provide the fiber web with a permanent functional emboss pattern during manufacture thereof, including a plurality of discrete continuous sinuate compressed regions extending in a machine direction of the fiber web, the emboss pattern being operative to preferentially convey sorbed liquid along the plurality of continuous sinuate compressed regions of the fiber web; and (d) bonding the fiber web to produce the embossed air-laid absorbent sheet material.