JPH0355111U - - Google Patents

Info

Publication number
JPH0355111U
JPH0355111U JP11550689U JP11550689U JPH0355111U JP H0355111 U JPH0355111 U JP H0355111U JP 11550689 U JP11550689 U JP 11550689U JP 11550689 U JP11550689 U JP 11550689U JP H0355111 U JPH0355111 U JP H0355111U
Authority
JP
Japan
Prior art keywords
oil passage
oil
drill
oil passages
edge surface
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
JP11550689U
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 JP11550689U priority Critical patent/JPH0355111U/ja
Publication of JPH0355111U publication Critical patent/JPH0355111U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係るドリルの一実施例を示し
た概念図、第2図は、第1図に示すドリルをその
軸線を中心として45°回動した状態を示す概念
図、第3図は刃部に形成される凹部の形状を示し
た斜視図、第4図は従来のドリルの構造を示した
概念図である。 10……基部、11……オイル通路、20……
刃部、21,22……オイル通路、21a,21
b……オイル吐出口、23,24……刃先面、2
5……凹部、30……V字状接合部、40……空
間。

Claims (1)

  1. 【実用新案登録請求の範囲】 基端より先端部に向つて形成された第1のオイ
    ル通路と、この第1のオイル通路より分岐して刃
    先面に開口する第2、第3のオイル通路とを備え
    たドリルにおいて、 上記第2、第3のオイル通路を中心軸線に平行
    して設けたことを特徴とするドリル。
JP11550689U 1989-09-29 1989-09-29 Pending JPH0355111U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11550689U JPH0355111U (ja) 1989-09-29 1989-09-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11550689U JPH0355111U (ja) 1989-09-29 1989-09-29

Publications (1)

Publication Number Publication Date
JPH0355111U true JPH0355111U (ja) 1991-05-28

Family

ID=31663833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11550689U Pending JPH0355111U (ja) 1989-09-29 1989-09-29

Country Status (1)

Country Link
JP (1) JPH0355111U (ja)

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