JPH01148216U - - Google Patents

Info

Publication number
JPH01148216U
JPH01148216U JP4155488U JP4155488U JPH01148216U JP H01148216 U JPH01148216 U JP H01148216U JP 4155488 U JP4155488 U JP 4155488U JP 4155488 U JP4155488 U JP 4155488U JP H01148216 U JPH01148216 U JP H01148216U
Authority
JP
Japan
Prior art keywords
drill
tip
cutting edge
flank
roof
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.)
Pending
Application number
JP4155488U
Other languages
English (en)
Japanese (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 JP4155488U priority Critical patent/JPH01148216U/ja
Publication of JPH01148216U publication Critical patent/JPH01148216U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP4155488U 1988-03-29 1988-03-29 Pending JPH01148216U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4155488U JPH01148216U (enExample) 1988-03-29 1988-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4155488U JPH01148216U (enExample) 1988-03-29 1988-03-29

Publications (1)

Publication Number Publication Date
JPH01148216U true JPH01148216U (enExample) 1989-10-13

Family

ID=31267991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4155488U Pending JPH01148216U (enExample) 1988-03-29 1988-03-29

Country Status (1)

Country Link
JP (1) JPH01148216U (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715606A (en) * 1980-06-25 1982-01-27 Nisshin Kuriinaa Kogyo Kk Drill

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715606A (en) * 1980-06-25 1982-01-27 Nisshin Kuriinaa Kogyo Kk Drill

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