JPS5540073A - Burring work method of metallic plate - Google Patents

Burring work method of metallic plate

Info

Publication number
JPS5540073A
JPS5540073A JP11332778A JP11332778A JPS5540073A JP S5540073 A JPS5540073 A JP S5540073A JP 11332778 A JP11332778 A JP 11332778A JP 11332778 A JP11332778 A JP 11332778A JP S5540073 A JPS5540073 A JP S5540073A
Authority
JP
Japan
Prior art keywords
diameter part
hole
punch
small diameter
metallic plate
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.)
Granted
Application number
JP11332778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6222694B2 (enExample
Inventor
Mamoru Soeda
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11332778A priority Critical patent/JPS5540073A/ja
Publication of JPS5540073A publication Critical patent/JPS5540073A/ja
Publication of JPS6222694B2 publication Critical patent/JPS6222694B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)
JP11332778A 1978-09-14 1978-09-14 Burring work method of metallic plate Granted JPS5540073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11332778A JPS5540073A (en) 1978-09-14 1978-09-14 Burring work method of metallic plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11332778A JPS5540073A (en) 1978-09-14 1978-09-14 Burring work method of metallic plate

Publications (2)

Publication Number Publication Date
JPS5540073A true JPS5540073A (en) 1980-03-21
JPS6222694B2 JPS6222694B2 (enExample) 1987-05-19

Family

ID=14609420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11332778A Granted JPS5540073A (en) 1978-09-14 1978-09-14 Burring work method of metallic plate

Country Status (1)

Country Link
JP (1) JPS5540073A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56136923A (en) * 1980-03-28 1981-10-26 Nhk Spring Co Ltd Hardening method for plate spring
JPS5780901A (en) * 1980-11-07 1982-05-20 Topy Ind Ltd Manufacture of automobile wheel disc
US5606888A (en) * 1995-07-14 1997-03-04 The Whitaker Corp. Method of forming relatively hard materials

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56136923A (en) * 1980-03-28 1981-10-26 Nhk Spring Co Ltd Hardening method for plate spring
JPS5780901A (en) * 1980-11-07 1982-05-20 Topy Ind Ltd Manufacture of automobile wheel disc
US5606888A (en) * 1995-07-14 1997-03-04 The Whitaker Corp. Method of forming relatively hard materials

Also Published As

Publication number Publication date
JPS6222694B2 (enExample) 1987-05-19

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