JPH0133633B2 - - Google Patents

Info

Publication number
JPH0133633B2
JPH0133633B2 JP62033931A JP3393187A JPH0133633B2 JP H0133633 B2 JPH0133633 B2 JP H0133633B2 JP 62033931 A JP62033931 A JP 62033931A JP 3393187 A JP3393187 A JP 3393187A JP H0133633 B2 JPH0133633 B2 JP H0133633B2
Authority
JP
Japan
Prior art keywords
claw
shape
claws
tip
drill
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.)
Expired
Application number
JP62033931A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62189293A (ja
Inventor
Kazuo Murazaki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP3393187A priority Critical patent/JPS62189293A/ja
Publication of JPS62189293A publication Critical patent/JPS62189293A/ja
Publication of JPH0133633B2 publication Critical patent/JPH0133633B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP3393187A 1987-02-17 1987-02-17 ドリルのヘツド用爪 Granted JPS62189293A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3393187A JPS62189293A (ja) 1987-02-17 1987-02-17 ドリルのヘツド用爪

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3393187A JPS62189293A (ja) 1987-02-17 1987-02-17 ドリルのヘツド用爪

Publications (2)

Publication Number Publication Date
JPS62189293A JPS62189293A (ja) 1987-08-19
JPH0133633B2 true JPH0133633B2 (enEXAMPLES) 1989-07-14

Family

ID=12400260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3393187A Granted JPS62189293A (ja) 1987-02-17 1987-02-17 ドリルのヘツド用爪

Country Status (1)

Country Link
JP (1) JPS62189293A (enEXAMPLES)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0249888A (ja) * 1988-08-10 1990-02-20 Kazuo Murazaki 回転式掘削ビット
JP6628459B1 (ja) * 2019-05-21 2020-01-08 金属工具株式会社 オーガービット

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254104U (enEXAMPLES) * 1975-10-17 1977-04-19

Also Published As

Publication number Publication date
JPS62189293A (ja) 1987-08-19

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees