JPS6139306U - Drill - Google Patents

Drill

Info

Publication number
JPS6139306U
JPS6139306U JP12330584U JP12330584U JPS6139306U JP S6139306 U JPS6139306 U JP S6139306U JP 12330584 U JP12330584 U JP 12330584U JP 12330584 U JP12330584 U JP 12330584U JP S6139306 U JPS6139306 U JP S6139306U
Authority
JP
Japan
Prior art keywords
drill
cutting edge
tip
edge
chisel
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
JP12330584U
Other languages
Japanese (ja)
Inventor
博司 粂田
Original Assignee
有限会社 粂田ギムネ製作所
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 by 有限会社 粂田ギムネ製作所 filed Critical 有限会社 粂田ギムネ製作所
Priority to JP12330584U priority Critical patent/JPS6139306U/en
Publication of JPS6139306U publication Critical patent/JPS6139306U/en
Pending legal-status Critical Current

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  • Drilling Tools (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の正面図、第２図は同側面図である。 １・・・・・・刃体、２・・・・・・シャンク、３・・
・・・・排出溝、４・・・・・・切刃、５・・・・・・
チゼルエツジ、６・・・・・・穴縁切刃、。FIG. 1 is a front view of this invention, and FIG. 2 is a side view of the same. 1...blade body, 2...shank, 3...
...Discharge groove, 4...Cutting blade, 5...
Chisel edge, 6... Hole edge cutting edge.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ドリル先端に切刃を側面から見て中窪み状に形設し、該
切刃に連続してドリル先端中央にチゼルエッチを、ドリ
ル肩部に穴縁切刃を突設したたことを特徴とするドリル
。A cutting edge is formed at the tip of the drill in the shape of a hollow when viewed from the side, and continuous with the cutting edge, a chisel etch is provided at the center of the drill tip, and a hole edge cutting edge is provided protruding from the shoulder of the drill. Drill.
JP12330584U 1984-08-10 1984-08-10 Drill Pending JPS6139306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12330584U JPS6139306U (en) 1984-08-10 1984-08-10 Drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12330584U JPS6139306U (en) 1984-08-10 1984-08-10 Drill

Publications (1)

Publication Number Publication Date
JPS6139306U true JPS6139306U (en) 1986-03-12

Family

ID=30682057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12330584U Pending JPS6139306U (en) 1984-08-10 1984-08-10 Drill

Country Status (1)

Country Link
JP (1) JPS6139306U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5633111B2 (en) * 1978-02-14 1981-08-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5633111B2 (en) * 1978-02-14 1981-08-01

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