JPH0423989Y2 - - Google Patents

Info

Publication number
JPH0423989Y2
JPH0423989Y2 JP1986183077U JP18307786U JPH0423989Y2 JP H0423989 Y2 JPH0423989 Y2 JP H0423989Y2 JP 1986183077 U JP1986183077 U JP 1986183077U JP 18307786 U JP18307786 U JP 18307786U JP H0423989 Y2 JPH0423989 Y2 JP H0423989Y2
Authority
JP
Japan
Prior art keywords
peripheral edge
bit
recess
distal end
bit body
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
JP1986183077U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6391583U (h
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 filed Critical
Priority to JP1986183077U priority Critical patent/JPH0423989Y2/ja
Publication of JPS6391583U publication Critical patent/JPS6391583U/ja
Application granted granted Critical
Publication of JPH0423989Y2 publication Critical patent/JPH0423989Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1986183077U 1986-11-28 1986-11-28 Expired JPH0423989Y2 (h)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986183077U JPH0423989Y2 (h) 1986-11-28 1986-11-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986183077U JPH0423989Y2 (h) 1986-11-28 1986-11-28

Publications (2)

Publication Number Publication Date
JPS6391583U JPS6391583U (h) 1988-06-14
JPH0423989Y2 true JPH0423989Y2 (h) 1992-06-04

Family

ID=31129477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986183077U Expired JPH0423989Y2 (h) 1986-11-28 1986-11-28

Country Status (1)

Country Link
JP (1) JPH0423989Y2 (h)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014196616A (ja) * 2013-03-29 2014-10-16 三菱マテリアル株式会社 掘削ビット
JP7294030B2 (ja) * 2018-09-28 2023-06-20 三菱マテリアル株式会社 掘削チップおよび掘削ビット
US11821264B2 (en) 2018-09-28 2023-11-21 Mitsubishi Materials Corporation Drilling tip and drill bit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE459679B (sv) * 1985-09-02 1989-07-24 Santrade Ltd Stift foer bergborrkrona

Also Published As

Publication number Publication date
JPS6391583U (h) 1988-06-14

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