JPS625627Y2 - - Google Patents
Info
- Publication number
- JPS625627Y2 JPS625627Y2 JP1980188732U JP18873280U JPS625627Y2 JP S625627 Y2 JPS625627 Y2 JP S625627Y2 JP 1980188732 U JP1980188732 U JP 1980188732U JP 18873280 U JP18873280 U JP 18873280U JP S625627 Y2 JPS625627 Y2 JP S625627Y2
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- test object
- leak detector
- leak
- vacuum valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000012360 testing method Methods 0.000 claims description 79
- 239000000523 sample Substances 0.000 claims description 30
- 239000007789 gas Substances 0.000 description 62
- 239000001307 helium Substances 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 150000002371 helium Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980188732U JPS625627Y2 (fr) | 1980-12-27 | 1980-12-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980188732U JPS625627Y2 (fr) | 1980-12-27 | 1980-12-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57112230U JPS57112230U (fr) | 1982-07-12 |
JPS625627Y2 true JPS625627Y2 (fr) | 1987-02-09 |
Family
ID=29992498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1980188732U Expired JPS625627Y2 (fr) | 1980-12-27 | 1980-12-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS625627Y2 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5337585A (en) * | 1976-09-21 | 1978-04-06 | Nippon Oxygen Co Ltd | Air separation method by adsorption |
-
1980
- 1980-12-27 JP JP1980188732U patent/JPS625627Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5337585A (en) * | 1976-09-21 | 1978-04-06 | Nippon Oxygen Co Ltd | Air separation method by adsorption |
Also Published As
Publication number | Publication date |
---|---|
JPS57112230U (fr) | 1982-07-12 |
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