| 发明名称 |
Vacuum filter with indexable filter web |
| 摘要 |
An indexable filter web is advanced beneath a vacuum box by a perforated flexible belt and is held against the belt by two endless bands adapted to travel along opposite sides of the vacuum box when the web is advanced.
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| 申请公布号 |
US4062780(A) |
申请公布日期 |
1977.12.13 |
| 申请号 |
US19760670401 |
申请日期 |
1976.03.25 |
| 申请人 |
BARNES DRILL CO. |
发明人 |
ESTABROOK, MARK R. |
| 分类号 |
B01D33/04;B01D29/09;(IPC1-7):B01D33/04 |
主分类号 |
B01D33/04 |
| 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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