JPS5662623A - Blanking method of button contact blank material - Google Patents

Blanking method of button contact blank material

Info

Publication number
JPS5662623A
JPS5662623A JP13818079A JP13818079A JPS5662623A JP S5662623 A JPS5662623 A JP S5662623A JP 13818079 A JP13818079 A JP 13818079A JP 13818079 A JP13818079 A JP 13818079A JP S5662623 A JPS5662623 A JP S5662623A
Authority
JP
Japan
Prior art keywords
face
spherical shape
button contact
materials
blank
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
JP13818079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6356011B2 (enrdf_load_stackoverflow
Inventor
Hirobumi Nakayama
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 JP13818079A priority Critical patent/JPS5662623A/ja
Publication of JPS5662623A publication Critical patent/JPS5662623A/ja
Publication of JPS6356011B2 publication Critical patent/JPS6356011B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)
  • Manufacture Of Switches (AREA)
JP13818079A 1979-10-25 1979-10-25 Blanking method of button contact blank material Granted JPS5662623A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13818079A JPS5662623A (en) 1979-10-25 1979-10-25 Blanking method of button contact blank material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13818079A JPS5662623A (en) 1979-10-25 1979-10-25 Blanking method of button contact blank material

Publications (2)

Publication Number Publication Date
JPS5662623A true JPS5662623A (en) 1981-05-28
JPS6356011B2 JPS6356011B2 (enrdf_load_stackoverflow) 1988-11-07

Family

ID=15215915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13818079A Granted JPS5662623A (en) 1979-10-25 1979-10-25 Blanking method of button contact blank material

Country Status (1)

Country Link
JP (1) JPS5662623A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6356011B2 (enrdf_load_stackoverflow) 1988-11-07

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