JPS55136459A - Method and device for manufacturing supporting ring for bulb - Google Patents

Method and device for manufacturing supporting ring for bulb

Info

Publication number
JPS55136459A
JPS55136459A JP4337379A JP4337379A JPS55136459A JP S55136459 A JPS55136459 A JP S55136459A JP 4337379 A JP4337379 A JP 4337379A JP 4337379 A JP4337379 A JP 4337379A JP S55136459 A JPS55136459 A JP S55136459A
Authority
JP
Japan
Prior art keywords
bulb
supporting ring
manufacturing supporting
manufacturing
ring
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.)
Pending
Application number
JP4337379A
Other languages
Japanese (ja)
Inventor
Satoru Tanaka
Yoshihiro Hayama
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
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP4337379A priority Critical patent/JPS55136459A/en
Publication of JPS55136459A publication Critical patent/JPS55136459A/en
Pending legal-status Critical Current

Links

JP4337379A 1979-04-10 1979-04-10 Method and device for manufacturing supporting ring for bulb Pending JPS55136459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4337379A JPS55136459A (en) 1979-04-10 1979-04-10 Method and device for manufacturing supporting ring for bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4337379A JPS55136459A (en) 1979-04-10 1979-04-10 Method and device for manufacturing supporting ring for bulb

Publications (1)

Publication Number Publication Date
JPS55136459A true JPS55136459A (en) 1980-10-24

Family

ID=12662031

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4337379A Pending JPS55136459A (en) 1979-04-10 1979-04-10 Method and device for manufacturing supporting ring for bulb

Country Status (1)

Country Link
JP (1) JPS55136459A (en)

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