JPS62138794U - - Google Patents
Info
- Publication number
- JPS62138794U JPS62138794U JP2590186U JP2590186U JPS62138794U JP S62138794 U JPS62138794 U JP S62138794U JP 2590186 U JP2590186 U JP 2590186U JP 2590186 U JP2590186 U JP 2590186U JP S62138794 U JPS62138794 U JP S62138794U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- threaded portion
- communicate
- rock drill
- connecting means
- 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.)
- Granted
Links
- 239000011435 rock Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2590186U JPH042233Y2 (https=) | 1986-02-25 | 1986-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2590186U JPH042233Y2 (https=) | 1986-02-25 | 1986-02-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62138794U true JPS62138794U (https=) | 1987-09-01 |
| JPH042233Y2 JPH042233Y2 (https=) | 1992-01-24 |
Family
ID=30826483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2590186U Expired JPH042233Y2 (https=) | 1986-02-25 | 1986-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042233Y2 (https=) |
-
1986
- 1986-02-25 JP JP2590186U patent/JPH042233Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH042233Y2 (https=) | 1992-01-24 |
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