JPS51128602A - Eccentric bit device for drilling machine - Google Patents
Eccentric bit device for drilling machineInfo
- Publication number
- JPS51128602A JPS51128602A JP5255175A JP5255175A JPS51128602A JP S51128602 A JPS51128602 A JP S51128602A JP 5255175 A JP5255175 A JP 5255175A JP 5255175 A JP5255175 A JP 5255175A JP S51128602 A JPS51128602 A JP S51128602A
- Authority
- JP
- Japan
- Prior art keywords
- drilling machine
- bit device
- eccentric bit
- eccentric
- drilling
- 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
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5255175A JPS51128602A (en) | 1975-05-02 | 1975-05-02 | Eccentric bit device for drilling machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5255175A JPS51128602A (en) | 1975-05-02 | 1975-05-02 | Eccentric bit device for drilling machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51128602A true JPS51128602A (en) | 1976-11-09 |
Family
ID=12917927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5255175A Pending JPS51128602A (en) | 1975-05-02 | 1975-05-02 | Eccentric bit device for drilling machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51128602A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1143194A (en) * | 1965-10-07 | 1969-02-19 | Carrieres Et Ateliers Stenuick | Method and apparatus for lining a borehole as a boring bit advances in the ground |
-
1975
- 1975-05-02 JP JP5255175A patent/JPS51128602A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1143194A (en) * | 1965-10-07 | 1969-02-19 | Carrieres Et Ateliers Stenuick | Method and apparatus for lining a borehole as a boring bit advances in the ground |
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