Title:
LEAK DETECTION DEVICE AND LEAK DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/229872
Kind Code:
A1
Abstract:
An aspect of the present application comprises a leak detection device (1) for detecting leaks from a filtration membrane M, the device being provided with: a container (10) that is separated into two spaces due to the filtration membrane M being disposed therein; a liquid storage container (20) for storing liquid to be supplied to the container (10); a first connection pipe (30) for connecting the liquid storage container (20) with either one of the spaces inside the container (10); a gas supply device (40) for supplying a gas to the container (10); a second connection pipe (50) for connecting the gas supply device (40) to the container (10); closing means (61, 62, 63) provided in the first connection pipe (30) and/or the second connection pipe (50); and a detection member (70) for detecting leaking of the gas supplied by the gas supply device (40) from the filtration membrane M.
Inventors:
KON YUSUKE (JP)
SCHRANKLER STEFAN (DE)
SINGH AJAY KUMAR (DE)
SCHRANKLER STEFAN (DE)
SINGH AJAY KUMAR (DE)
Application Number:
PCT/JP2018/020722
Publication Date:
December 05, 2019
Filing Date:
May 30, 2018
Export Citation:
Assignee:
ASAHI KASEI MEDICAL CO LTD (JP)
International Classes:
B01D65/10; G01N15/08
Domestic Patent References:
| WO1998029184A1 | 1998-07-09 | |||
| WO2015099015A1 | 2015-07-02 |
Foreign References:
| JPH05157654A | 1993-06-25 | |||
| JP2008229471A | 2008-10-02 | |||
| JP2017109080A | 2017-06-22 | |||
| JP2018508341A | 2018-03-29 | |||
| JPH04348252A | 1992-12-03 | |||
| JPS63190605A | 1988-08-08 | |||
| JP2008149205A | 2008-07-03 | |||
| JPH0557157A | 1993-03-09 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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