JPH0270820U - - Google Patents

Info

Publication number
JPH0270820U
JPH0270820U JP14647188U JP14647188U JPH0270820U JP H0270820 U JPH0270820 U JP H0270820U JP 14647188 U JP14647188 U JP 14647188U JP 14647188 U JP14647188 U JP 14647188U JP H0270820 U JPH0270820 U JP H0270820U
Authority
JP
Japan
Prior art keywords
blade part
circumferential
central
tip surface
tip
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
JP14647188U
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 JP14647188U priority Critical patent/JPH0270820U/ja
Publication of JPH0270820U publication Critical patent/JPH0270820U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)

Description

【図面の簡単な説明】
第1図は本考案による穴明け用ポンチの一実施
例を示す部分断面を含む側面図、第2図は穴明け
用ポンチの先端面を示す正面図、第3図は本考案
による穴明け用ポンチの作用を説明するための説
明断面図である。 20…ポンチ部、21…中央刃部、23…円周
刃部、25…円周溝。

Claims (1)

    【実用新案登録請求の範囲】
  1. 円柱状体の先端面中央に設けられた三角錐状中
    央刃部と、前記先端面の外周縁に沿つて形成され
    た円周刃部と、前記中央刃部と円周刃部との間に
    形成された円周溝と、からなり、前記中央刃部の
    先端は円周刃部より突出して形成されている穴明
    け用ポンチ。
JP14647188U 1988-11-09 1988-11-09 Pending JPH0270820U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14647188U JPH0270820U (ja) 1988-11-09 1988-11-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14647188U JPH0270820U (ja) 1988-11-09 1988-11-09

Publications (1)

Publication Number Publication Date
JPH0270820U true JPH0270820U (ja) 1990-05-30

Family

ID=31415992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14647188U Pending JPH0270820U (ja) 1988-11-09 1988-11-09

Country Status (1)

Country Link
JP (1) JPH0270820U (ja)

Similar Documents

Publication Publication Date Title
JPH0270820U (ja)
JPS63192081U (ja)
JPS61200919U (ja)
JPH0222805U (ja)
JPS6391583U (ja)
JPS6357016U (ja)
JPH01143310U (ja)
JPS6234017U (ja)
JPS62174817U (ja)
JPS6372024U (ja)
JPH02118634U (ja)
JPS61137457U (ja)
JPS61135140U (ja)
JPH0162393U (ja)
JPS6357017U (ja)
JPH0283854U (ja)
JPS61184226U (ja)
JPS6260687U (ja)
JPS61184622U (ja)
JPS6242912U (ja)
JPS62159683U (ja)
JPS61114159U (ja)
JPH0322572U (ja)
JPS6272168U (ja)
JPS61168817U (ja)