JPH0379211U - - Google Patents

Info

Publication number
JPH0379211U
JPH0379211U JP14084089U JP14084089U JPH0379211U JP H0379211 U JPH0379211 U JP H0379211U JP 14084089 U JP14084089 U JP 14084089U JP 14084089 U JP14084089 U JP 14084089U JP H0379211 U JPH0379211 U JP H0379211U
Authority
JP
Japan
Prior art keywords
cutting edge
drill
radius
diamond sintered
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
JP14084089U
Other languages
English (en)
Japanese (ja)
Other versions
JP2531129Y2 (ja
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 JP1989140840U priority Critical patent/JP2531129Y2/ja
Publication of JPH0379211U publication Critical patent/JPH0379211U/ja
Application granted granted Critical
Publication of JP2531129Y2 publication Critical patent/JP2531129Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP1989140840U 1989-12-05 1989-12-05 ダイヤモンド焼結体ドリル Expired - Lifetime JP2531129Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989140840U JP2531129Y2 (ja) 1989-12-05 1989-12-05 ダイヤモンド焼結体ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989140840U JP2531129Y2 (ja) 1989-12-05 1989-12-05 ダイヤモンド焼結体ドリル

Publications (2)

Publication Number Publication Date
JPH0379211U true JPH0379211U (de) 1991-08-13
JP2531129Y2 JP2531129Y2 (ja) 1997-04-02

Family

ID=31687782

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989140840U Expired - Lifetime JP2531129Y2 (ja) 1989-12-05 1989-12-05 ダイヤモンド焼結体ドリル

Country Status (1)

Country Link
JP (1) JP2531129Y2 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029015U (ja) * 1983-07-27 1985-02-27 三菱マテリアル株式会社 超硬バニシングドリル
JPS60221208A (ja) * 1984-04-13 1985-11-05 Sumitomo Electric Ind Ltd 超硬ドリル及びその刃先強化法
JPS6195808A (ja) * 1984-10-17 1986-05-14 Sumitomo Electric Ind Ltd 穴あけ工具

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029015U (ja) * 1983-07-27 1985-02-27 三菱マテリアル株式会社 超硬バニシングドリル
JPS60221208A (ja) * 1984-04-13 1985-11-05 Sumitomo Electric Ind Ltd 超硬ドリル及びその刃先強化法
JPS6195808A (ja) * 1984-10-17 1986-05-14 Sumitomo Electric Ind Ltd 穴あけ工具

Also Published As

Publication number Publication date
JP2531129Y2 (ja) 1997-04-02

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