发明名称 |
A PROCESS FOR PRODUCING A TUBULAR MEMBRANE ASSEMBLY |
摘要 |
The invention provides a process for producing a tubular membrane assembly comprising helically winding at least one strip of fibrous material on a mandrel to produce at least a single ply tubular support member for a semi-permeable membrane, characterized by passing the strip through a heated section of the mandrel during the helical winding thereof to flatten and smooth fibers protruding along the cross-sectional width of the strip, whereby a tube with a smooth inner bore along its entire length is formed.
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申请公布号 |
CA2219438(A1) |
申请公布日期 |
1998.04.25 |
申请号 |
CA19972219438 |
申请日期 |
1997.10.24 |
申请人 |
MEMBRANE PRODUCTS KIRYAT WEIZMANN LTD. |
发明人 |
KATRARO, REUVEN;NEMAS, MARA;LINDER, CHARLES |
分类号 |
B01D69/04;B01D69/10;B29C53/60;B29C65/08;(IPC1-7):B01D67/00 |
主分类号 |
B01D69/04 |
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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