JPS51141701A - Eccentric drilling bit device for drilling machine - Google Patents

Eccentric drilling bit device for drilling machine

Info

Publication number
JPS51141701A
JPS51141701A JP6608575A JP6608575A JPS51141701A JP S51141701 A JPS51141701 A JP S51141701A JP 6608575 A JP6608575 A JP 6608575A JP 6608575 A JP6608575 A JP 6608575A JP S51141701 A JPS51141701 A JP S51141701A
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
JP6608575A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5422761B2 (enExample
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 JP6608575A priority Critical patent/JPS51141701A/ja
Publication of JPS51141701A publication Critical patent/JPS51141701A/ja
Publication of JPS5422761B2 publication Critical patent/JPS5422761B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP6608575A 1975-06-03 1975-06-03 Eccentric drilling bit device for drilling machine Granted JPS51141701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6608575A JPS51141701A (en) 1975-06-03 1975-06-03 Eccentric drilling bit device for drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6608575A JPS51141701A (en) 1975-06-03 1975-06-03 Eccentric drilling bit device for drilling machine

Publications (2)

Publication Number Publication Date
JPS51141701A true JPS51141701A (en) 1976-12-06
JPS5422761B2 JPS5422761B2 (enExample) 1979-08-09

Family

ID=13305654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6608575A Granted JPS51141701A (en) 1975-06-03 1975-06-03 Eccentric drilling bit device for drilling machine

Country Status (1)

Country Link
JP (1) JPS51141701A (enExample)

Also Published As

Publication number Publication date
JPS5422761B2 (enExample) 1979-08-09

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