JPH0632252Y2 - コアードリル - Google Patents

コアードリル

Info

Publication number
JPH0632252Y2
JPH0632252Y2 JP1988126922U JP12692288U JPH0632252Y2 JP H0632252 Y2 JPH0632252 Y2 JP H0632252Y2 JP 1988126922 U JP1988126922 U JP 1988126922U JP 12692288 U JP12692288 U JP 12692288U JP H0632252 Y2 JPH0632252 Y2 JP H0632252Y2
Authority
JP
Japan
Prior art keywords
hole
core drill
cylindrical body
cutting oil
cutting
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 - Lifetime
Application number
JP1988126922U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0247113U (fr
Inventor
守 谷口
Original Assignee
畷精工株式会社
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 by 畷精工株式会社 filed Critical 畷精工株式会社
Priority to JP1988126922U priority Critical patent/JPH0632252Y2/ja
Publication of JPH0247113U publication Critical patent/JPH0247113U/ja
Application granted granted Critical
Publication of JPH0632252Y2 publication Critical patent/JPH0632252Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP1988126922U 1988-09-27 1988-09-27 コアードリル Expired - Lifetime JPH0632252Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988126922U JPH0632252Y2 (ja) 1988-09-27 1988-09-27 コアードリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988126922U JPH0632252Y2 (ja) 1988-09-27 1988-09-27 コアードリル

Publications (2)

Publication Number Publication Date
JPH0247113U JPH0247113U (fr) 1990-03-30
JPH0632252Y2 true JPH0632252Y2 (ja) 1994-08-24

Family

ID=31378882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988126922U Expired - Lifetime JPH0632252Y2 (ja) 1988-09-27 1988-09-27 コアードリル

Country Status (1)

Country Link
JP (1) JPH0632252Y2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100736941B1 (ko) * 2006-02-24 2007-07-10 이화다이아몬드공업 주식회사 코아 드릴 및 그 제조방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5494693U (fr) * 1977-12-17 1979-07-04
JPS54175091U (fr) * 1978-05-31 1979-12-11
JPS59131806U (ja) * 1983-02-23 1984-09-04 三菱マテリアル株式会社 ダイヤモンドコアドリル

Also Published As

Publication number Publication date
JPH0247113U (fr) 1990-03-30

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