发明名称 |
HOLLOW FIBERS HAVING CURVED SPACING MEMBERS PROJECTING THEREFROM AND SPINNERETS FOR THEIR PRODUCTION |
摘要 |
A hollow fiber with a plurality of members (54) projecting from its outer surface (52) in an arc turned back on itself is formed from a spinneret having a segmented orifice (32) wherein each segment comprises a first portion in the form of an arc curved about the center of the orifice, a second portion extending from the first and connected to a third portion which is in the form of a reverse curve with respect to the first. |
申请公布号 |
EP0341978(A3) |
申请公布日期 |
1990.09.19 |
申请号 |
EP19890304677 |
申请日期 |
1989.05.09 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
SAMUELSON, HARRY VAUGHN |
分类号 |
B01D69/08;D01D5/24;D01F6/04;(IPC1-7):D01D5/24;D01D5/253 |
主分类号 |
B01D69/08 |
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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