发明名称 |
CYLINDRICAL FIBROUS STRUCTURES AND METHOD OF MANUFACTURE |
摘要 |
<p>Cylindrical fibrous structures comprising a fibrous mass of nonwoven, synthetic, polymeric microfibers wherein the microfibers are substantially free of fiber-to-fiber bonding and secured to each other by mechanical entanglement or intertwining, the fiber structure having a substantially constant voids volume over at least a substantial portion of the structure and, preferably, a graded fiber diameter structure, both as measured In the radial direction. The structures are particularly useful as depth filters.</p> |
申请公布号 |
CA1258643(A) |
申请公布日期 |
1989.08.22 |
申请号 |
CA19880571093 |
申请日期 |
1988.07.04 |
申请人 |
PALL CORPORATION |
发明人 |
PALL, DAVID B.;HARWOOD, COLIN F.;BRADLEY, ARTHUR;BRENNAN, TIMOTHY R. |
分类号 |
B01D27/04;(IPC1-7):B01D27/04 |
主分类号 |
B01D27/04 |
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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