发明名称 |
Pleated paper filter cartridge |
摘要 |
A filter including a resilient frame, a hollow body of pleated paper, and end closures, molded together to make a flexible unitary structure which maintains its shape and has the efficiency characteristics of the paper medium.
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申请公布号 |
US4187091(A) |
申请公布日期 |
1980.02.05 |
申请号 |
US19780931770 |
申请日期 |
1978.08.07 |
申请人 |
DONALDSON CO INC |
发明人 |
BERVEN, RICHARD P;DURRE, REYNOLD F |
分类号 |
B01D46/02;B01D46/52;(IPC1-7):B01D46/00 |
主分类号 |
B01D46/02 |
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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