JPS6120972B2 - - Google Patents

Info

Publication number
JPS6120972B2
JPS6120972B2 JP2346977A JP2346977A JPS6120972B2 JP S6120972 B2 JPS6120972 B2 JP S6120972B2 JP 2346977 A JP2346977 A JP 2346977A JP 2346977 A JP2346977 A JP 2346977A JP S6120972 B2 JPS6120972 B2 JP S6120972B2
Authority
JP
Japan
Prior art keywords
electrical contact
punch
plate material
punching
ring projection
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
Application number
JP2346977A
Other languages
English (en)
Japanese (ja)
Other versions
JPS53109179A (en
Inventor
Kenichiro Tani
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.)
Tanaka Kikinzoku Kogyo KK
Original Assignee
Tanaka Kikinzoku Kogyo 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 Tanaka Kikinzoku Kogyo KK filed Critical Tanaka Kikinzoku Kogyo KK
Priority to JP2346977A priority Critical patent/JPS53109179A/ja
Publication of JPS53109179A publication Critical patent/JPS53109179A/ja
Publication of JPS6120972B2 publication Critical patent/JPS6120972B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manufacture Of Switches (AREA)
  • Contacts (AREA)
JP2346977A 1977-03-04 1977-03-04 Method of producing electric contacts Granted JPS53109179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2346977A JPS53109179A (en) 1977-03-04 1977-03-04 Method of producing electric contacts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2346977A JPS53109179A (en) 1977-03-04 1977-03-04 Method of producing electric contacts

Publications (2)

Publication Number Publication Date
JPS53109179A JPS53109179A (en) 1978-09-22
JPS6120972B2 true JPS6120972B2 (online.php) 1986-05-24

Family

ID=12111378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2346977A Granted JPS53109179A (en) 1977-03-04 1977-03-04 Method of producing electric contacts

Country Status (1)

Country Link
JP (1) JPS53109179A (online.php)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56107418A (en) * 1980-01-31 1981-08-26 Tanaka Precious Metal Ind Electric contact and method of manufacturing same

Also Published As

Publication number Publication date
JPS53109179A (en) 1978-09-22

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