JPS6346552Y2 - - Google Patents
Info
- Publication number
- JPS6346552Y2 JPS6346552Y2 JP19485484U JP19485484U JPS6346552Y2 JP S6346552 Y2 JPS6346552 Y2 JP S6346552Y2 JP 19485484 U JP19485484 U JP 19485484U JP 19485484 U JP19485484 U JP 19485484U JP S6346552 Y2 JPS6346552 Y2 JP S6346552Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- hose
- telescoping
- movable
- guide shell
- 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 17
- 239000011435 rock Substances 0.000 description 8
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19485484U JPS6346552Y2 (xx) | 1984-12-22 | 1984-12-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19485484U JPS6346552Y2 (xx) | 1984-12-22 | 1984-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61112096U JPS61112096U (xx) | 1986-07-15 |
JPS6346552Y2 true JPS6346552Y2 (xx) | 1988-12-02 |
Family
ID=30752323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19485484U Expired JPS6346552Y2 (xx) | 1984-12-22 | 1984-12-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6346552Y2 (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6420548B2 (ja) * | 2014-01-31 | 2018-11-07 | 古河ロックドリル株式会社 | さく孔機 |
-
1984
- 1984-12-22 JP JP19485484U patent/JPS6346552Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS61112096U (xx) | 1986-07-15 |
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