JPH0333375Y2 - - Google Patents

Info

Publication number
JPH0333375Y2
JPH0333375Y2 JP1985024129U JP2412985U JPH0333375Y2 JP H0333375 Y2 JPH0333375 Y2 JP H0333375Y2 JP 1985024129 U JP1985024129 U JP 1985024129U JP 2412985 U JP2412985 U JP 2412985U JP H0333375 Y2 JPH0333375 Y2 JP H0333375Y2
Authority
JP
Japan
Prior art keywords
drill
curved surface
chip discharge
width ratio
chip
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
JP1985024129U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61141007U (en]
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 JP1985024129U priority Critical patent/JPH0333375Y2/ja
Publication of JPS61141007U publication Critical patent/JPS61141007U/ja
Application granted granted Critical
Publication of JPH0333375Y2 publication Critical patent/JPH0333375Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP1985024129U 1985-02-21 1985-02-21 Expired JPH0333375Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985024129U JPH0333375Y2 (en]) 1985-02-21 1985-02-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985024129U JPH0333375Y2 (en]) 1985-02-21 1985-02-21

Publications (2)

Publication Number Publication Date
JPS61141007U JPS61141007U (en]) 1986-09-01
JPH0333375Y2 true JPH0333375Y2 (en]) 1991-07-16

Family

ID=30517998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985024129U Expired JPH0333375Y2 (en]) 1985-02-21 1985-02-21

Country Status (1)

Country Link
JP (1) JPH0333375Y2 (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6602029B1 (en) * 2000-10-05 2003-08-05 Kennametal Inc. Cutting tool and method and apparatus for making the same
JP4894054B2 (ja) * 2007-10-26 2012-03-07 住友電工ハードメタル株式会社 ツイストドリル
WO2018221303A1 (ja) * 2017-05-29 2018-12-06 京セラ株式会社 ドリル及び切削加工物の製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59219108A (ja) * 1983-05-25 1984-12-10 Sumitomo Electric Ind Ltd ドリル
JPS6022212U (ja) * 1983-07-25 1985-02-15 三菱マテリアル株式会社 超硬ドリル

Also Published As

Publication number Publication date
JPS61141007U (en]) 1986-09-01

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