JPH02118618U - - Google Patents

Info

Publication number
JPH02118618U
JPH02118618U JP2445589U JP2445589U JPH02118618U JP H02118618 U JPH02118618 U JP H02118618U JP 2445589 U JP2445589 U JP 2445589U JP 2445589 U JP2445589 U JP 2445589U JP H02118618 U JPH02118618 U JP H02118618U
Authority
JP
Japan
Prior art keywords
rod
hole punch
tip surface
turning function
circular cross
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
JP2445589U
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 JP2445589U priority Critical patent/JPH02118618U/ja
Publication of JPH02118618U publication Critical patent/JPH02118618U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)

Description

【図面の簡単な説明】
第１〜２図は本考案の一実施例としてのめくれ
防止機能をもつ穴あけパンチを示すもので、第１
図はその側面図、第２図ａ，ｂ，ｃはその穴あけ
作動を示した側断面図であり、第３図ａ，ｂ，ｃ
は従来の穴あけパンチによる穴あけ作動を示した
側断面図である。 １０……穴あけパンチ、１１……棒体、１２…
…前端面、１３……ダイス、１４……パツド、１
５……鋼板、１６……小径の半球状突起。

Claims (1)

    【実用新案登録請求の範囲】
  1. 断面が円形の棒体からなり先端面を上記棒体の
    軸線に直角な平面で形成された穴あけパンチにお
    いて、上記先端面の中心部に小径の半球状突起が
    形成されたことを特徴とする、めくれ防止機能を
    もつ穴あけパンチ。
JP2445589U 1989-03-03 1989-03-03 Pending JPH02118618U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2445589U JPH02118618U (ja) 1989-03-03 1989-03-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2445589U JPH02118618U (ja) 1989-03-03 1989-03-03

Publications (1)

Publication Number Publication Date
JPH02118618U true JPH02118618U (ja) 1990-09-25

Family

ID=31244317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2445589U Pending JPH02118618U (ja) 1989-03-03 1989-03-03

Country Status (1)

Country Link
JP (1) JPH02118618U (ja)

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