JPS62110388U - - Google Patents
Info
- Publication number
- JPS62110388U JPS62110388U JP19827385U JP19827385U JPS62110388U JP S62110388 U JPS62110388 U JP S62110388U JP 19827385 U JP19827385 U JP 19827385U JP 19827385 U JP19827385 U JP 19827385U JP S62110388 U JPS62110388 U JP S62110388U
- Authority
- JP
- Japan
- Prior art keywords
- rocks
- expansion member
- expanded
- utility
- rotationally driven
- 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
- 239000011435 rock Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 2
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19827385U JPS62110388U (nl) | 1985-12-25 | 1985-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19827385U JPS62110388U (nl) | 1985-12-25 | 1985-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62110388U true JPS62110388U (nl) | 1987-07-14 |
Family
ID=31158805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19827385U Pending JPS62110388U (nl) | 1985-12-25 | 1985-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62110388U (nl) |
-
1985
- 1985-12-25 JP JP19827385U patent/JPS62110388U/ja active Pending