JPS6391583U - - Google Patents

Info

Publication number
JPS6391583U
JPS6391583U JP18307786U JP18307786U JPS6391583U JP S6391583 U JPS6391583 U JP S6391583U JP 18307786 U JP18307786 U JP 18307786U JP 18307786 U JP18307786 U JP 18307786U JP S6391583 U JPS6391583 U JP S6391583U
Authority
JP
Japan
Prior art keywords
recess
tip
distal end
periphery
circumferential edge
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
JP18307786U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0423989Y2 (zh
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 (zh)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=31129477

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0423989Y2 (zh)

Cited By (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
JP2020076299A (ja) * 2018-09-28 2020-05-21 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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6278394A (ja) * 1985-09-02 1987-04-10 サントレ−ド　リミテイド ロツクドリルバイト用のボタンインサ−ト

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6278394A (ja) * 1985-09-02 1987-04-10 サントレ−ド　リミテイド ロツクドリルバイト用のボタンインサ−ト

Cited By (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
JP2020076299A (ja) * 2018-09-28 2020-05-21 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

Also Published As

Publication number Publication date
JPH0423989Y2 (zh) 1992-06-04

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