JPS5397277A - Method of manufacturing filament for electric discharge lamp - Google Patents

Method of manufacturing filament for electric discharge lamp

Info

Publication number
JPS5397277A
JPS5397277A JP1168977A JP1168977A JPS5397277A JP S5397277 A JPS5397277 A JP S5397277A JP 1168977 A JP1168977 A JP 1168977A JP 1168977 A JP1168977 A JP 1168977A JP S5397277 A JPS5397277 A JP S5397277A
Authority
JP
Japan
Prior art keywords
discharge lamp
electric discharge
coil
manufacturing filament
manufacturing
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
JP1168977A
Other languages
Japanese (ja)
Inventor
Tadayoshi Kodama
Taisuke Hirota
Akio Horinouchi
Toshio Fujiwara
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 JP1168977A priority Critical patent/JPS5397277A/en
Publication of JPS5397277A publication Critical patent/JPS5397277A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamp (AREA)

Abstract

PURPOSE: To provide a method of manufacturing continuously double wound coil for electric discharge lamp, in which portions of the coil to be cut are beforehand indented so as to eliminate entangling of coil pieces at the time of handling them after cutting of the coil into coil pieces.
COPYRIGHT: (C)1978,JPO&Japio
JP1168977A 1977-02-07 1977-02-07 Method of manufacturing filament for electric discharge lamp Pending JPS5397277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1168977A JPS5397277A (en) 1977-02-07 1977-02-07 Method of manufacturing filament for electric discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1168977A JPS5397277A (en) 1977-02-07 1977-02-07 Method of manufacturing filament for electric discharge lamp

Publications (1)

Publication Number Publication Date
JPS5397277A true JPS5397277A (en) 1978-08-25

Family

ID=11784984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1168977A Pending JPS5397277A (en) 1977-02-07 1977-02-07 Method of manufacturing filament for electric discharge lamp

Country Status (1)

Country Link
JP (1) JPS5397277A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118061U (en) * 1981-01-14 1982-07-22
JPS57119444A (en) * 1981-01-16 1982-07-24 Toshiba Corp Rapid start fluorescent lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118061U (en) * 1981-01-14 1982-07-22
JPS57119444A (en) * 1981-01-16 1982-07-24 Toshiba Corp Rapid start fluorescent lamp

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