JPS61191811U - - Google Patents

Info

Publication number
JPS61191811U
JPS61191811U JP7485485U JP7485485U JPS61191811U JP S61191811 U JPS61191811 U JP S61191811U JP 7485485 U JP7485485 U JP 7485485U JP 7485485 U JP7485485 U JP 7485485U JP S61191811 U JPS61191811 U JP S61191811U
Authority
JP
Japan
Prior art keywords
section
pair
outer circumferential
tip
cutting
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
JP7485485U
Other languages
English (en)
Other versions
JPH0630330Y2 (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 JP1985074854U priority Critical patent/JPH0630330Y2/ja
Publication of JPS61191811U publication Critical patent/JPS61191811U/ja
Application granted granted Critical
Publication of JPH0630330Y2 publication Critical patent/JPH0630330Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
図は本考案の実施例に係わるもので第１図はガ
ンドリル先端部の側面図、第２図は同正面図、第
３図は先端部の切刃と切除部のそれぞれ角度を説
明するための側面図である。 １……円柱状胴、２，２……切屑排出溝、３…
…先端面、４，４……切刃、５，５……切除部、
６，６……逃げ面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 円柱状胴の外周面対称位置に一対の断面Ｖ形を
    なす切屑排出溝をその長手方向に沿つて直線状に
    設け、先端面を略円錐状に形成したガンドリルに
    おいて、一対の切刃の外周端部を該切刃のなす先
    端角よりやや小さい角度で直線状に切除して切除
    部を設けると共に、該切除部に接して外周方向に
    向つて漸次広がる略三角形状の逃げ面を設けたこ
    とを特徴とするガンドリル。
JP1985074854U 1985-05-20 1985-05-20 ガンドリル Expired - Lifetime JPH0630330Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985074854U JPH0630330Y2 (ja) 1985-05-20 1985-05-20 ガンドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985074854U JPH0630330Y2 (ja) 1985-05-20 1985-05-20 ガンドリル

Publications (2)

Publication Number Publication Date
JPS61191811U true JPS61191811U (ja) 1986-11-29
JPH0630330Y2 JPH0630330Y2 (ja) 1994-08-17

Family

ID=30615533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985074854U Expired - Lifetime JPH0630330Y2 (ja) 1985-05-20 1985-05-20 ガンドリル

Country Status (1)

Country Link
JP (1) JPH0630330Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014208421A1 (ja) * 2013-06-26 2014-12-31 京セラ株式会社 ドリル

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51151179U (ja) * 1975-05-26 1976-12-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51151179U (ja) * 1975-05-26 1976-12-02

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014208421A1 (ja) * 2013-06-26 2014-12-31 京セラ株式会社 ドリル
CN105307807A (zh) * 2013-06-26 2016-02-03 京瓷株式会社 钻头
JPWO2014208421A1 (ja) * 2013-06-26 2017-02-23 京セラ株式会社 ドリル
CN105307807B (zh) * 2013-06-26 2017-11-10 京瓷株式会社 钻头
US10213844B2 (en) 2013-06-26 2019-02-26 Kyocera Corporation Drill

Also Published As

Publication number Publication date
JPH0630330Y2 (ja) 1994-08-17

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