发明授权
- 专利标题: Conjugate spinning process
- 专利标题(中): 连接纺丝工艺
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申请号: US3780149D申请日: 1966-02-07
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公开(公告)号: US3780149A公开(公告)日: 1973-12-18
- 发明人: KEUCHEL H , POLESTAK W
- 申请人: CELANESE CORP
- 专利权人: Celanese Corp
- 当前专利权人: Celanese Corp
- 优先权: US52568066 1966-02-07
- 主分类号: B29C47/04
- IPC分类号: B29C47/04 ; D01D5/30 ; D01D5/32 ; B29F3/04
摘要:
CRIMPED FILAMENTS ARE PREPARED BY SUBJECTING TWO STREAMS OF THE SAME POLYMER TO DIFFERENT TEMPERATURE OR SHEAR FORCES AND EXTRUDING THE POLYMER AS SEPARATE STREAMS THROUGH THE SAME SPINNERETTE ORIFICES.
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