| 发明名称 |
HOLLOW FILAMENT WITHIN A HOLLOW FILAMENT COMPOSITE FIBER HAVING SPACING MEANS AND SPINNERET FOR PRODUCTION THEREOF |
| 摘要 |
This proposal concerns hollow fibers and, more particularly, a hollow filament co-spun within another hollow filament composite fiber wherein spacing means is provided to separate the inner and outer filament walls and spinnerets for co-spinning such fibers.
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| 申请公布号 |
CA1325871(C) |
申请公布日期 |
1994.01.11 |
| 申请号 |
CA19890598614 |
申请日期 |
1989.05.03 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
SAMUELSON, HARRY V. |
| 分类号 |
D01D5/30;B01D69/08;C12M1/12;D01D5/24;D01F6/04;D01F6/62;D01F8/06;D01F8/14;(IPC1-7):D01D5/24 |
主分类号 |
D01D5/30 |
| 代理机构 |
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代理人 |
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