JPH034917Y2 - - Google Patents
Info
- Publication number
- JPH034917Y2 JPH034917Y2 JP9931886U JP9931886U JPH034917Y2 JP H034917 Y2 JPH034917 Y2 JP H034917Y2 JP 9931886 U JP9931886 U JP 9931886U JP 9931886 U JP9931886 U JP 9931886U JP H034917 Y2 JPH034917 Y2 JP H034917Y2
- Authority
- JP
- Japan
- Prior art keywords
- underground tank
- underground
- pressure
- atmospheric pressure
- leakage
- 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 16
- 238000007689 inspection Methods 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 11
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 11
- 239000011261 inert gas Substances 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9931886U JPH034917Y2 (enrdf_load_stackoverflow) | 1986-06-27 | 1986-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9931886U JPH034917Y2 (enrdf_load_stackoverflow) | 1986-06-27 | 1986-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS635443U JPS635443U (enrdf_load_stackoverflow) | 1988-01-14 |
| JPH034917Y2 true JPH034917Y2 (enrdf_load_stackoverflow) | 1991-02-07 |
Family
ID=30968085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9931886U Expired JPH034917Y2 (enrdf_load_stackoverflow) | 1986-06-27 | 1986-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034917Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4542576B2 (ja) * | 2007-09-11 | 2010-09-15 | 昭和機器工業株式会社 | 液体貯蔵タンクの漏洩検査方法 |
-
1986
- 1986-06-27 JP JP9931886U patent/JPH034917Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS635443U (enrdf_load_stackoverflow) | 1988-01-14 |
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