JPS62158279U - - Google Patents
Info
- Publication number
- JPS62158279U JPS62158279U JP4616686U JP4616686U JPS62158279U JP S62158279 U JPS62158279 U JP S62158279U JP 4616686 U JP4616686 U JP 4616686U JP 4616686 U JP4616686 U JP 4616686U JP S62158279 U JPS62158279 U JP S62158279U
- Authority
- JP
- Japan
- Prior art keywords
- collar
- seat
- well
- collars
- welded
- 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
- 238000004021 metal welding Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4616686U JPS62158279U (ko) | 1986-03-31 | 1986-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4616686U JPS62158279U (ko) | 1986-03-31 | 1986-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62158279U true JPS62158279U (ko) | 1987-10-07 |
Family
ID=30865577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4616686U Pending JPS62158279U (ko) | 1986-03-31 | 1986-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62158279U (ko) |
-
1986
- 1986-03-31 JP JP4616686U patent/JPS62158279U/ja active Pending