JPH0438957B2 - - Google Patents
Info
- Publication number
- JPH0438957B2 JPH0438957B2 JP59173959A JP17395984A JPH0438957B2 JP H0438957 B2 JPH0438957 B2 JP H0438957B2 JP 59173959 A JP59173959 A JP 59173959A JP 17395984 A JP17395984 A JP 17395984A JP H0438957 B2 JPH0438957 B2 JP H0438957B2
- Authority
- JP
- Japan
- Prior art keywords
- bag
- branch pipe
- main branch
- pig
- tube
- 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 - Lifetime
Links
- 239000012530 fluid Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 19
- 238000010276 construction Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59173959A JPS6152490A (ja) | 1984-08-20 | 1984-08-20 | 都市ガス導管の緊急遮断方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59173959A JPS6152490A (ja) | 1984-08-20 | 1984-08-20 | 都市ガス導管の緊急遮断方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6152490A JPS6152490A (ja) | 1986-03-15 |
| JPH0438957B2 true JPH0438957B2 (de) | 1992-06-26 |
Family
ID=15970219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59173959A Granted JPS6152490A (ja) | 1984-08-20 | 1984-08-20 | 都市ガス導管の緊急遮断方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6152490A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2572044Y2 (ja) * | 1992-12-09 | 1998-05-20 | 日本開閉器工業株式会社 | 複合操作形スイッチ |
| JP2710907B2 (ja) * | 1992-12-09 | 1998-02-10 | 日本開閉器工業株式会社 | 複合操作形スイッチ |
| KR102525406B1 (ko) * | 2023-01-13 | 2023-04-24 | 최정수 | 유체 공급관 폐쇄 장치 및 이를 이용한 폐쇄방법 |
-
1984
- 1984-08-20 JP JP59173959A patent/JPS6152490A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6152490A (ja) | 1986-03-15 |
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