JPS5491973A - Production of filament coil for lamp bulb - Google Patents

Production of filament coil for lamp bulb

Info

Publication number
JPS5491973A
JPS5491973A JP16053377A JP16053377A JPS5491973A JP S5491973 A JPS5491973 A JP S5491973A JP 16053377 A JP16053377 A JP 16053377A JP 16053377 A JP16053377 A JP 16053377A JP S5491973 A JPS5491973 A JP S5491973A
Authority
JP
Japan
Prior art keywords
coil
cut
cutting
pair
portions
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
JP16053377A
Other languages
English (en)
Inventor
Shokichi Noda
Kohei Sakayama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP16053377A priority Critical patent/JPS5491973A/ja
Publication of JPS5491973A publication Critical patent/JPS5491973A/ja
Pending legal-status Critical Current

Links

JP16053377A 1977-12-28 1977-12-28 Production of filament coil for lamp bulb Pending JPS5491973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16053377A JPS5491973A (en) 1977-12-28 1977-12-28 Production of filament coil for lamp bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16053377A JPS5491973A (en) 1977-12-28 1977-12-28 Production of filament coil for lamp bulb

Publications (1)

Publication Number Publication Date
JPS5491973A true JPS5491973A (en) 1979-07-20

Family

ID=15717019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16053377A Pending JPS5491973A (en) 1977-12-28 1977-12-28 Production of filament coil for lamp bulb

Country Status (1)

Country Link
JP (1) JPS5491973A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55161330A (en) * 1979-06-05 1980-12-15 Mitsubishi Electric Corp Manufacture of filament coil for bulb
CN102832087A (zh) * 2012-07-30 2012-12-19 安徽霍山县万鑫电子科技有限公司 钢芯线取代钼丝的钨灯丝制作工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55161330A (en) * 1979-06-05 1980-12-15 Mitsubishi Electric Corp Manufacture of filament coil for bulb
CN102832087A (zh) * 2012-07-30 2012-12-19 安徽霍山县万鑫电子科技有限公司 钢芯线取代钼丝的钨灯丝制作工艺

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