发明名称 HOLLOW FILAMENT CROSS-SECTIONS CONTAINING FOUR CONTINUOUS VOIDS
摘要 Continuous synthetic filaments having a four sided cross-sectional contour and four substantially equispaced continuous voids are disclosed. The voids have a substantially round or nonround shape, and each void is substantially centered on a side of the filament's contour.
申请公布号 US5230957(A) 申请公布日期 1993.07.27
申请号 US19920918539 申请日期 1992.07.20
申请人 E. I. DU PONT DE NEMOURS AND COMPANY 发明人 LIN, PERRY H.
分类号 A47G27/02;D01D5/24;D01D5/253;D01F6/00;D01F6/06;D01F6/60;D01F6/62 主分类号 A47G27/02
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