JPS51128602A - Eccentric bit device for drilling machine - Google Patents

Eccentric bit device for drilling machine

Info

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
Application number
JP5255175A
Other languages
Japanese (ja)
Inventor
Yoshiichi Mikami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FURUKAWA KOUGIYOU K K
Furukawa Kogyo Co Ltd
Original Assignee
FURUKAWA KOUGIYOU K K
Furukawa Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FURUKAWA KOUGIYOU K K, Furukawa Kogyo Co Ltd filed Critical FURUKAWA KOUGIYOU K K
Priority to JP5255175A priority Critical patent/JPS51128602A/en
Publication of JPS51128602A publication Critical patent/JPS51128602A/en
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP5255175A 1975-05-02 1975-05-02 Eccentric bit device for drilling machine Pending JPS51128602A (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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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