发明名称 Fremgangsmaate for fremstilling av et perforert baand av ikke-vevet stoff
摘要 <p>This invention concerns a nonwoven fabric having knuckle-free planar surfaces comprising parallel linear machine direction yarns (10) residing in a single plane and interconnecting, cross-machine direction polymeric material (18) also residing in said plane and substantially entirely surrounding the machine direction yarns (10), the cross-machine direction material containing spaced apertures in the fabric. The invention is also directed to the method of producing such a nonwoven fabric.</p>
申请公布号 NO173621(C) 申请公布日期 1994.01.05
申请号 NO19880001343 申请日期 1988.03.25
申请人 LEFKOWITZ LEONARD ROBERT 发明人 LEFKOWITZ LEONARD ROBERT
分类号 B32B5/08;B01D39/08;B01D39/10;B01D39/16;B29C43/22;B29C47/02;B29C70/20;B29D28/00;B29D29/00;D04H3/00;D04H3/02;D04H13/00;D21F1/00;D21F7/08;(IPC1-7):D04H3/04;D21F1/10 主分类号 B32B5/08
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