发明名称 |
Device and method for detecting leakage of filter film |
摘要 |
PCT No. PCT/JP97/04828 Sec. 371 Date Jun. 24, 1999 Sec. 102(e) Date Jun. 24, 1999 PCT Filed Dec. 25, 1997 PCT Pub. No. WO98/29184 PCT Pub. Date Jul. 9, 1998An apparatus for detecting leakage through a filtration membrane which comprises a gas-supplying source for supplying a gas to one of two spaces formed by partition with the filtration membrane, a gas-detecting device for measuring the degree of leakage of the gas into the other space, and further preventing the undesirable influence of the supplied gas on the gas-detecting device.
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申请公布号 |
US6065329(A) |
申请公布日期 |
2000.05.23 |
申请号 |
US19990331768 |
申请日期 |
1999.06.24 |
申请人 |
ASAHI KASEI KOGYO KABUSHIKI KAISHA |
发明人 |
FUKADA, SEIJI;ITOSE, TAKAO |
分类号 |
B01D65/10;G01N15/08;(IPC1-7):G01M3/26 |
主分类号 |
B01D65/10 |
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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