JPH02127371U - - Google Patents
Info
- Publication number
- JPH02127371U JPH02127371U JP3658389U JP3658389U JPH02127371U JP H02127371 U JPH02127371 U JP H02127371U JP 3658389 U JP3658389 U JP 3658389U JP 3658389 U JP3658389 U JP 3658389U JP H02127371 U JPH02127371 U JP H02127371U
- Authority
- JP
- Japan
- Prior art keywords
- gas injection
- injection hole
- pipe
- ring
- shield
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims 1
Landscapes
- Pipe Accessories (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3658389U JPH02127371U (et) | 1989-03-30 | 1989-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3658389U JPH02127371U (et) | 1989-03-30 | 1989-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02127371U true JPH02127371U (et) | 1990-10-19 |
Family
ID=31542944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3658389U Pending JPH02127371U (et) | 1989-03-30 | 1989-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02127371U (et) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010249227A (ja) * | 2009-04-15 | 2010-11-04 | Nippon Steel Corp | 配管遮断装置および配管遮断方法 |
-
1989
- 1989-03-30 JP JP3658389U patent/JPH02127371U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010249227A (ja) * | 2009-04-15 | 2010-11-04 | Nippon Steel Corp | 配管遮断装置および配管遮断方法 |