发明授权
US07655105B2 Method for embossing air-laid webs using laser engraved heated embossing rolls 有权
使用激光雕刻加热压花辊压花气流成网的方法

Method for embossing air-laid webs using laser engraved heated embossing rolls
摘要:
A method of making an embossed air-laid absorbent sheet product includes depositing a dry web of fibers on a foraminous support; compacting the fiber web; embossing the compacted web with a laser-engraved roll with a hard rubber embossing surface, the hard rubber embossing surface having a plurality of sinuate bosses radially projecting circumferentially around the laser-engraved roll to provide the fiber web with a functional emboss pattern including a plurality of continuous sinuate compressed regions extending in a machine direction of the fiber web, the laser-engraved roll being heated to or maintained at a temperature of from about 100° F. to about 300° F.; and bonding the fiber web.
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