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
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