发明名称 |
Filter |
摘要 |
Disclosed herein is an improvement in a filter of the type having a plurality of filtering plates vertically spaced at fixed intervals to interpose filtering spaces therebetween and as many scrapers laid outwardly from the axis of the stack of filtering plates and inserted one each into the filtering spaces, i.e. between the adjacent filtering plates, the improvement which includes giving each filtering plate a perfectly circular periphery so as to avoid formation of any protuberance from the circumferences and, at the same time, disposing the scrapers so as to keep sliding contact with the adjacent filtering plates.
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申请公布号 |
US4146481(A) |
申请公布日期 |
1979.03.27 |
申请号 |
US19770803983 |
申请日期 |
1977.06.06 |
申请人 |
JAPANESE NATIONAL RAILWAYS |
发明人 |
NAGATOSHI, SUSUMU;KATO, YOSHIHARU |
分类号 |
B01D29/46;B01D33/06;B01D33/073;E03D5/016;(IPC1-7):B01D29/42 |
主分类号 |
B01D29/46 |
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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