发明名称 |
Trilobal and tetralobal cross-section filaments containing voids |
摘要 |
This invention provides improved synthetic filaments having a trilobal or tetralobal cross-sectional shape with convex curves along the contour of each lobe, and wherein a continuous void extends axially through each lobe. The filaments are especially suitable for making carpets which exhibit low glitter and have high bulk and excellent soil hiding performance.
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申请公布号 |
US5380592(A) |
申请公布日期 |
1995.01.10 |
申请号 |
US19930174523 |
申请日期 |
1993.12.28 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
TUNG, WAE-HAI |
分类号 |
D01F6/60;D01D5/24;D01D5/253;(IPC1-7):D02G3/00 |
主分类号 |
D01F6/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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