JPS51133171A - Method of preventing cracks which occur in drawing by press working - Google Patents

Method of preventing cracks which occur in drawing by press working

Info

Publication number
JPS51133171A
JPS51133171A JP50057402A JP5740275A JPS51133171A JP S51133171 A JPS51133171 A JP S51133171A JP 50057402 A JP50057402 A JP 50057402A JP 5740275 A JP5740275 A JP 5740275A JP S51133171 A JPS51133171 A JP S51133171A
Authority
JP
Japan
Prior art keywords
occur
press working
preventing cracks
cracks
preventing
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
JP50057402A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5612209B2 (bg
Inventor
Michitaka Takigawa
Tetsuya Kaneko
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50057402A priority Critical patent/JPS51133171A/ja
Publication of JPS51133171A publication Critical patent/JPS51133171A/ja
Publication of JPS5612209B2 publication Critical patent/JPS5612209B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
JP50057402A 1975-05-16 1975-05-16 Method of preventing cracks which occur in drawing by press working Granted JPS51133171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50057402A JPS51133171A (en) 1975-05-16 1975-05-16 Method of preventing cracks which occur in drawing by press working

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50057402A JPS51133171A (en) 1975-05-16 1975-05-16 Method of preventing cracks which occur in drawing by press working

Publications (2)

Publication Number Publication Date
JPS51133171A true JPS51133171A (en) 1976-11-18
JPS5612209B2 JPS5612209B2 (bg) 1981-03-19

Family

ID=13054633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50057402A Granted JPS51133171A (en) 1975-05-16 1975-05-16 Method of preventing cracks which occur in drawing by press working

Country Status (1)

Country Link
JP (1) JPS51133171A (bg)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58221626A (ja) * 1982-06-17 1983-12-23 Tanaka:Kk 建築金物の製造法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58221626A (ja) * 1982-06-17 1983-12-23 Tanaka:Kk 建築金物の製造法

Also Published As

Publication number Publication date
JPS5612209B2 (bg) 1981-03-19

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