JPS6047194A - ロツクビツト - Google Patents

ロツクビツト

Info

Publication number
JPS6047194A
JPS6047194A JP15301283A JP15301283A JPS6047194A JP S6047194 A JPS6047194 A JP S6047194A JP 15301283 A JP15301283 A JP 15301283A JP 15301283 A JP15301283 A JP 15301283A JP S6047194 A JPS6047194 A JP S6047194A
Authority
JP
Japan
Prior art keywords
button
shaped
bit
angle
blades
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
JP15301283A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6253677B2 (cs
Inventor
米雄 日和佐
安井　幸久
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.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP15301283A priority Critical patent/JPS6047194A/ja
Publication of JPS6047194A publication Critical patent/JPS6047194A/ja
Publication of JPS6253677B2 publication Critical patent/JPS6253677B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP15301283A 1983-08-24 1983-08-24 ロツクビツト Granted JPS6047194A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15301283A JPS6047194A (ja) 1983-08-24 1983-08-24 ロツクビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15301283A JPS6047194A (ja) 1983-08-24 1983-08-24 ロツクビツト

Publications (2)

Publication Number Publication Date
JPS6047194A true JPS6047194A (ja) 1985-03-14
JPS6253677B2 JPS6253677B2 (cs) 1987-11-11

Family

ID=15553024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15301283A Granted JPS6047194A (ja) 1983-08-24 1983-08-24 ロツクビツト

Country Status (1)

Country Link
JP (1) JPS6047194A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0556731A (ja) * 1991-09-02 1993-03-09 Koichi Yamamoto ルアーの製造方法
KR102505718B1 (ko) * 2020-01-03 2023-03-03 백경재 연약지반 굴착용 비트

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507202U (cs) * 1973-05-17 1975-01-24
JPS5022964U (cs) * 1973-06-22 1975-03-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507202U (cs) * 1973-05-17 1975-01-24
JPS5022964U (cs) * 1973-06-22 1975-03-14

Also Published As

Publication number Publication date
JPS6253677B2 (cs) 1987-11-11

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