JPH0179599U - - Google Patents

Info

Publication number
JPH0179599U
JPH0179599U JP1987171245U JP17124587U JPH0179599U JP H0179599 U JPH0179599 U JP H0179599U JP 1987171245 U JP1987171245 U JP 1987171245U JP 17124587 U JP17124587 U JP 17124587U JP H0179599 U JPH0179599 U JP H0179599U
Authority
JP
Japan
Prior art keywords
tip
peripheral surface
blade
inner peripheral
shank
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
JP1987171245U
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 JP1987171245U priority Critical patent/JPH0179599U/ja
Publication of JPH0179599U publication Critical patent/JPH0179599U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示すもので、第1図は
一部を切断した正面図、第2図は底面図である。 図中、2はシヤンク部、3は刃部、4は外周面
部、5は先端部、6は内周面部、7は切れ刃、a
は回転軸線である。

Claims (1)

    【実用新案登録請求の範囲】
  1. シヤンク部と、このシヤンク部の回転軸線上に
    中心を有するように円筒面状に湾曲し該シヤンク
    部の先端に連設した刃部とを備え、上記刃部の外
    周面部は先端部に向かつて円錐面状に、また該刃
    部の内周面部は上記先端部に向かつて次第に幅狭
    くした湾曲面にそれぞれ形成して、この外周面部
    と内周面部との稜線を切れ刃に形成して成ること
    を特徴とする円板加工用ドリル。
JP1987171245U 1987-11-11 1987-11-11 Pending JPH0179599U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987171245U JPH0179599U (ja) 1987-11-11 1987-11-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987171245U JPH0179599U (ja) 1987-11-11 1987-11-11

Publications (1)

Publication Number Publication Date
JPH0179599U true JPH0179599U (ja) 1989-05-29

Family

ID=31462905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987171245U Pending JPH0179599U (ja) 1987-11-11 1987-11-11

Country Status (1)

Country Link
JP (1) JPH0179599U (ja)

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