JPS61182602U - - Google Patents
Info
- Publication number
- JPS61182602U JPS61182602U JP6420785U JP6420785U JPS61182602U JP S61182602 U JPS61182602 U JP S61182602U JP 6420785 U JP6420785 U JP 6420785U JP 6420785 U JP6420785 U JP 6420785U JP S61182602 U JPS61182602 U JP S61182602U
- Authority
- JP
- Japan
- Prior art keywords
- plug
- mandrel
- operating rod
- air supply
- air
- 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
- 238000005553 drilling Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6420785U JPS61182602U (en:Method) | 1985-05-01 | 1985-05-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6420785U JPS61182602U (en:Method) | 1985-05-01 | 1985-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61182602U true JPS61182602U (en:Method) | 1986-11-14 |
Family
ID=30595079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6420785U Pending JPS61182602U (en:Method) | 1985-05-01 | 1985-05-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61182602U (en:Method) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58202909A (ja) * | 1982-05-20 | 1983-11-26 | Kawasaki Steel Corp | 継目無鋼管製造用プラグ係脱装置 |
-
1985
- 1985-05-01 JP JP6420785U patent/JPS61182602U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58202909A (ja) * | 1982-05-20 | 1983-11-26 | Kawasaki Steel Corp | 継目無鋼管製造用プラグ係脱装置 |