JPS6251359B2 - - Google Patents
Info
- Publication number
- JPS6251359B2 JPS6251359B2 JP19162482A JP19162482A JPS6251359B2 JP S6251359 B2 JPS6251359 B2 JP S6251359B2 JP 19162482 A JP19162482 A JP 19162482A JP 19162482 A JP19162482 A JP 19162482A JP S6251359 B2 JPS6251359 B2 JP S6251359B2
- Authority
- JP
- Japan
- Prior art keywords
- rod
- joint
- sleeve
- rotating shaft
- movable member
- 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
- 238000005553 drilling Methods 0.000 claims description 31
- 210000000078 claw Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19162482A JPS5980888A (ja) | 1982-10-30 | 1982-10-30 | さく孔装置の継ぎロッド取外し装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19162482A JPS5980888A (ja) | 1982-10-30 | 1982-10-30 | さく孔装置の継ぎロッド取外し装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5980888A JPS5980888A (ja) | 1984-05-10 |
| JPS6251359B2 true JPS6251359B2 (enExample) | 1987-10-29 |
Family
ID=16277733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19162482A Granted JPS5980888A (ja) | 1982-10-30 | 1982-10-30 | さく孔装置の継ぎロッド取外し装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5980888A (enExample) |
-
1982
- 1982-10-30 JP JP19162482A patent/JPS5980888A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5980888A (ja) | 1984-05-10 |
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