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 (US20100056889A1-20100304-C00004.png
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 (US20100056889A1-20100304-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986183077U JPH0423989Y2 (US20100056889A1-20100304-C00004.png) 1986-11-28 1986-11-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986183077U JPH0423989Y2 (US20100056889A1-20100304-C00004.png) 1986-11-28 1986-11-28

Publications (2)

Publication Number Publication Date
JPS6391583U true JPS6391583U (US20100056889A1-20100304-C00004.png) 1988-06-14
JPH0423989Y2 JPH0423989Y2 (US20100056889A1-20100304-C00004.png) 1992-06-04

Family

ID=31129477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986183077U Expired JPH0423989Y2 (US20100056889A1-20100304-C00004.png) 1986-11-28 1986-11-28

Country Status (1)

Country Link
JP (1) JPH0423989Y2 (US20100056889A1-20100304-C00004.png)

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 (US20100056889A1-20100304-C00004.png) 1992-06-04

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