JPS6124617Y2 - - Google Patents
Info
- Publication number
- JPS6124617Y2 JPS6124617Y2 JP4783781U JP4783781U JPS6124617Y2 JP S6124617 Y2 JPS6124617 Y2 JP S6124617Y2 JP 4783781 U JP4783781 U JP 4783781U JP 4783781 U JP4783781 U JP 4783781U JP S6124617 Y2 JPS6124617 Y2 JP S6124617Y2
- Authority
- JP
- Japan
- Prior art keywords
- rod
- rock drill
- guide
- chucking
- joint sleeve
- 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
- 239000011435 rock Substances 0.000 claims description 16
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4783781U JPS6124617Y2 (en:Method) | 1981-04-01 | 1981-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4783781U JPS6124617Y2 (en:Method) | 1981-04-01 | 1981-04-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57160389U JPS57160389U (en:Method) | 1982-10-08 |
| JPS6124617Y2 true JPS6124617Y2 (en:Method) | 1986-07-23 |
Family
ID=29844608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4783781U Expired JPS6124617Y2 (en:Method) | 1981-04-01 | 1981-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6124617Y2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5080399B2 (ja) * | 2008-08-20 | 2012-11-21 | 古河ロックドリル株式会社 | セントラライザ装置 |
-
1981
- 1981-04-01 JP JP4783781U patent/JPS6124617Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57160389U (en:Method) | 1982-10-08 |
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