发明名称 |
Porous tubes. |
摘要 |
<p>Porous tubes are made from thermally bonded non-woven. Such tubes can be made seamless and suitable for lining with a semi-permeable membrane for reverse osmosis filtration. Fleece or card webs (32) can be wrapped around a mandrel (35) and compacted as by rolling and/or needling and thermobonded on the mandrel which may be tapered to ease removal.</p> |
申请公布号 |
EP0177167(A1) |
申请公布日期 |
1986.04.09 |
申请号 |
EP19850306080 |
申请日期 |
1985.08.28 |
申请人 |
THE SHIRLEY INSTITUTE |
发明人 |
FLOYD, KENNETH LEWTHWAITE;KATONA, JOSEF |
分类号 |
A61L31/00;A61F2/06;A61F13/26;B01D39/16;B01D69/10;B29C53/58;B29D23/00;D04H1/00;D04H1/485;D04H1/54;D04H1/542;D04H1/544;D04H1/55;(IPC1-7):B01D13/04;D04H3/07 |
主分类号 |
A61L31/00 |
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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