发明名称 |
Filter cartridge with drainable sludge barrier |
摘要 |
This invention relates generally to filters for removing impurities from liquids, and more particularly to a replaceable filter cartridge having a barrier for preventing contaminants from draining from a spent cartridge, as it is being replaced. The barrier comprises a layer of filter media closely surrounding an inner perforated conducting conduit.
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申请公布号 |
US5811002(A) |
申请公布日期 |
1998.09.22 |
申请号 |
US19960684274 |
申请日期 |
1996.07.17 |
申请人 |
NORTH AMERICAN FILTER CORPORATION |
发明人 |
FELBER, RICHARD A. |
分类号 |
B01D29/23;(IPC1-7):B01D29/15 |
主分类号 |
B01D29/23 |
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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