JPS51144303A - Eccentric drilling bit device for drilling machine - Google Patents

Eccentric drilling bit device for drilling machine

Info

Publication number
JPS51144303A
JPS51144303A JP6853575A JP6853575A JPS51144303A JP S51144303 A JPS51144303 A JP S51144303A JP 6853575 A JP6853575 A JP 6853575A JP 6853575 A JP6853575 A JP 6853575A JP S51144303 A JPS51144303 A JP S51144303A
Authority
JP
Japan
Prior art keywords
drilling
eccentric
bit device
drilling machine
machine
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
Application number
JP6853575A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5423841B2 (enrdf_load_stackoverflow
Inventor
Yoshiichi Mikami
Tetsuo Sawajima
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 Kogyo Co Ltd
Original Assignee
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 Kogyo Co Ltd filed Critical Furukawa Kogyo Co Ltd
Priority to JP6853575A priority Critical patent/JPS51144303A/ja
Publication of JPS51144303A publication Critical patent/JPS51144303A/ja
Publication of JPS5423841B2 publication Critical patent/JPS5423841B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP6853575A 1975-06-09 1975-06-09 Eccentric drilling bit device for drilling machine Granted JPS51144303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6853575A JPS51144303A (en) 1975-06-09 1975-06-09 Eccentric drilling bit device for drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6853575A JPS51144303A (en) 1975-06-09 1975-06-09 Eccentric drilling bit device for drilling machine

Publications (2)

Publication Number Publication Date
JPS51144303A true JPS51144303A (en) 1976-12-11
JPS5423841B2 JPS5423841B2 (enrdf_load_stackoverflow) 1979-08-16

Family

ID=13376517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6853575A Granted JPS51144303A (en) 1975-06-09 1975-06-09 Eccentric drilling bit device for drilling machine

Country Status (1)

Country Link
JP (1) JPS51144303A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129101A (en) * 1977-04-19 1978-11-10 Minoru Seya Eccentric excavation device
JPS53132405A (en) * 1977-04-26 1978-11-18 Minoru Seya Cycloid excavation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129101A (en) * 1977-04-19 1978-11-10 Minoru Seya Eccentric excavation device
JPS53132405A (en) * 1977-04-26 1978-11-18 Minoru Seya Cycloid excavation device

Also Published As

Publication number Publication date
JPS5423841B2 (enrdf_load_stackoverflow) 1979-08-16

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