| 发明名称 |
SELF-SUPPORTING, PLEATED, SPIRALLY WOUND FILTER |
| 摘要 |
A coreless filter (10) comprises a filter element (12), which is a spirally wound loop of material, so that it becomes rigid and forms central passageway (20), is disposed in a housing (14b) and sealed there by endcap (14a). The loop includes a layer of filter material, such as a membrane filter, interposed between two support layers. |
| 申请公布号 |
CA2173754(A1) |
申请公布日期 |
1995.04.20 |
| 申请号 |
CA19942173754 |
申请日期 |
1994.10.12 |
| 申请人 |
GELMAN SCIENCES INC. |
发明人 |
STEERE, WILLIAM C.;SKLAR, ERIC |
| 分类号 |
B01D29/07;B01D27/06;B01D29/21;B01D63/10;(IPC1-7):B01D27/06;B01D67/00;B01D29/35 |
主分类号 |
B01D29/07 |
| 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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