JPH0387518U - - Google Patents

Info

Publication number
JPH0387518U
JPH0387518U JP14691589U JP14691589U JPH0387518U JP H0387518 U JPH0387518 U JP H0387518U JP 14691589 U JP14691589 U JP 14691589U JP 14691589 U JP14691589 U JP 14691589U JP H0387518 U JPH0387518 U JP H0387518U
Authority
JP
Japan
Prior art keywords
cutting edge
center
chisel
flank
face
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
JP14691589U
Other languages
English (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 JP14691589U priority Critical patent/JPH0387518U/ja
Publication of JPH0387518U publication Critical patent/JPH0387518U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
図は、本考案になるドリルを示したもので、第
1図は該ドリルの正面図、第2図は第1図の要部
を拡大した図であつて、そのaは正面図、bはa
の側面図、第3図は第2図の底面図であつて、そ
のaは同ドリルの軸線方向先端視図、bはaの側
面図などである。 1……ドリル、11……チゼル、12a,12
b……中心部切刃、13a,13b……外周側切
刃、14,15……すくい面、16a,16b…
…第1逃げ面、17a,17b……第2逃げ面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 工具の中心部に0.1〜1.0mm幅のチゼルを
    形成し、このチゼルを基準に中心部切刃と外周側
    切刃とが設けられ、該中心部切刃のすくい面を負
    角を有して形成させるのと共に、前記各切刃の逃
    げ面を少なくとも第1逃げ面と第2逃げ面の複数
    面としたことを特徴とする穿孔工具。
JP14691589U 1989-12-19 1989-12-19 Pending JPH0387518U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14691589U JPH0387518U (ja) 1989-12-19 1989-12-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14691589U JPH0387518U (ja) 1989-12-19 1989-12-19

Publications (1)

Publication Number Publication Date
JPH0387518U true JPH0387518U (ja) 1991-09-05

Family

ID=31693452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14691589U Pending JPH0387518U (ja) 1989-12-19 1989-12-19

Country Status (1)

Country Link
JP (1) JPH0387518U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010115753A (ja) * 2008-11-13 2010-05-27 Nisshin Kogu Kk ドリル
JP2014113661A (ja) * 2012-12-10 2014-06-26 Mitsubishi Materials Corp ドリル

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010115753A (ja) * 2008-11-13 2010-05-27 Nisshin Kogu Kk ドリル
JP2014113661A (ja) * 2012-12-10 2014-06-26 Mitsubishi Materials Corp ドリル

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