JPS58173499U - drilling tool - Google Patents

drilling tool

Info

Publication number
JPS58173499U
JPS58173499U JP6994182U JP6994182U JPS58173499U JP S58173499 U JPS58173499 U JP S58173499U JP 6994182 U JP6994182 U JP 6994182U JP 6994182 U JP6994182 U JP 6994182U JP S58173499 U JPS58173499 U JP S58173499U
Authority
JP
Japan
Prior art keywords
drilling tool
cutting edge
tool body
tool
center
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
JP6994182U
Other languages
Japanese (ja)
Inventor
丸山　昭章
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP6994182U priority Critical patent/JPS58173499U/en
Publication of JPS58173499U publication Critical patent/JPS58173499U/en
Pending legal-status Critical Current

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Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (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図は従来の穿孔状態を示す概略図、第２図は本考案
による実施例を示す半断面の正面図、第３図は本考案工
具による穿孔状態を示す概ｉ図である。 １・・・本体、２・・・センターポンチ、３・・・スプ
リング、４・・・止めキャップ。FIG. 1 is a schematic diagram showing a conventional drilling state, FIG. 2 is a half-sectional front view showing an embodiment of the present invention, and FIG. 3 is a schematic diagram showing a drilling state using the tool of the present invention. 1...Body, 2...Center punch, 3...Spring, 4...Stopping cap.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 先端に円形切刃を有する工具本体と、該工具本体の中心
孔に嵌合され軸方向への摺動が自在であるとともに尖鋭
な先端部が前記切刃から突出可能なセンタ部材と、該セ
ンタ部材を突出方向に付勢するばね部材とによってなる
ことを特徴とする穿孔工具。A tool body having a circular cutting edge at the tip; a center member fitted into a center hole of the tool body and capable of sliding freely in the axial direction and having a sharp tip protruding from the cutting edge; 1. A drilling tool comprising a spring member that biases the member in a projecting direction.
JP6994182U 1982-05-13 1982-05-13 drilling tool Pending JPS58173499U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6994182U JPS58173499U (en) 1982-05-13 1982-05-13 drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6994182U JPS58173499U (en) 1982-05-13 1982-05-13 drilling tool

Publications (1)

Publication Number Publication Date
JPS58173499U true JPS58173499U (en) 1983-11-19

Family

ID=30079640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6994182U Pending JPS58173499U (en) 1982-05-13 1982-05-13 drilling tool

Country Status (1)

Country Link
JP (1) JPS58173499U (en)

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