JPH0333048B2 - - Google Patents

Info

Publication number
JPH0333048B2
JPH0333048B2 JP62304732A JP30473287A JPH0333048B2 JP H0333048 B2 JPH0333048 B2 JP H0333048B2 JP 62304732 A JP62304732 A JP 62304732A JP 30473287 A JP30473287 A JP 30473287A JP H0333048 B2 JPH0333048 B2 JP H0333048B2
Authority
JP
Japan
Prior art keywords
plate material
hole
tongue piece
tip
bent
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.)
Expired - Lifetime
Application number
JP62304732A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01148427A (ja
Inventor
Isao Kondo
Junichi Aizawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seikosha KK
Original Assignee
Seikosha KK
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 Seikosha KK filed Critical Seikosha KK
Priority to JP30473287A priority Critical patent/JPH01148427A/ja
Publication of JPH01148427A publication Critical patent/JPH01148427A/ja
Publication of JPH0333048B2 publication Critical patent/JPH0333048B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)
JP30473287A 1987-12-02 1987-12-02 板材への矩形孔形成方法 Granted JPH01148427A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30473287A JPH01148427A (ja) 1987-12-02 1987-12-02 板材への矩形孔形成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30473287A JPH01148427A (ja) 1987-12-02 1987-12-02 板材への矩形孔形成方法

Publications (2)

Publication Number Publication Date
JPH01148427A JPH01148427A (ja) 1989-06-09
JPH0333048B2 true JPH0333048B2 (de) 1991-05-15

Family

ID=17936545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30473287A Granted JPH01148427A (ja) 1987-12-02 1987-12-02 板材への矩形孔形成方法

Country Status (1)

Country Link
JP (1) JPH01148427A (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935836A (ja) * 1982-08-25 1984-02-27 Toshiba Electric Equip Corp ノツクアウト構造
JPS59110128U (ja) * 1983-01-13 1984-07-25 株式会社東芝 プレス切曲型

Also Published As

Publication number Publication date
JPH01148427A (ja) 1989-06-09

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