JPH02121902U - - Google Patents

Info

Publication number
JPH02121902U
JPH02121902U JP3103589U JP3103589U JPH02121902U JP H02121902 U JPH02121902 U JP H02121902U JP 3103589 U JP3103589 U JP 3103589U JP 3103589 U JP3103589 U JP 3103589U JP H02121902 U JPH02121902 U JP H02121902U
Authority
JP
Japan
Prior art keywords
cutting edge
line
tip
convex arc
drill
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
JP3103589U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0721287Y2 (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 JP1989031035U priority Critical patent/JPH0721287Y2/ja
Publication of JPH02121902U publication Critical patent/JPH02121902U/ja
Application granted granted Critical
Publication of JPH0721287Y2 publication Critical patent/JPH0721287Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP1989031035U 1989-03-17 1989-03-17 貫通錐 Expired - Lifetime JPH0721287Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989031035U JPH0721287Y2 (ja) 1989-03-17 1989-03-17 貫通錐

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989031035U JPH0721287Y2 (ja) 1989-03-17 1989-03-17 貫通錐

Publications (2)

Publication Number Publication Date
JPH02121902U true JPH02121902U (US07935154-20110503-C00006.png) 1990-10-04
JPH0721287Y2 JPH0721287Y2 (ja) 1995-05-17

Family

ID=31256604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989031035U Expired - Lifetime JPH0721287Y2 (ja) 1989-03-17 1989-03-17 貫通錐

Country Status (1)

Country Link
JP (1) JPH0721287Y2 (US07935154-20110503-C00006.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518699A (ja) * 1974-07-10 1976-01-23 Yoshimasa Nagai Tokobashiratateanasenkosochi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518699A (ja) * 1974-07-10 1976-01-23 Yoshimasa Nagai Tokobashiratateanasenkosochi

Also Published As

Publication number Publication date
JPH0721287Y2 (ja) 1995-05-17

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