JPS52118865A - Process for manufacturing circle discharge lamp - Google Patents

Process for manufacturing circle discharge lamp

Info

Publication number
JPS52118865A
JPS52118865A JP3563376A JP3563376A JPS52118865A JP S52118865 A JPS52118865 A JP S52118865A JP 3563376 A JP3563376 A JP 3563376A JP 3563376 A JP3563376 A JP 3563376A JP S52118865 A JPS52118865 A JP S52118865A
Authority
JP
Japan
Prior art keywords
discharge lamp
circle discharge
manufacturing circle
manufacturing
bulb
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
JP3563376A
Other languages
Japanese (ja)
Other versions
JPS5922350B2 (en
Inventor
Tsutomu Maeda
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.)
NIPPON DENKI SYLVANIA KK
NEC Home Electronics Ltd
Original Assignee
NIPPON DENKI SYLVANIA KK
NEC Home Electronics 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 NIPPON DENKI SYLVANIA KK, NEC Home Electronics Ltd filed Critical NIPPON DENKI SYLVANIA KK
Priority to JP51035633A priority Critical patent/JPS5922350B2/en
Publication of JPS52118865A publication Critical patent/JPS52118865A/en
Publication of JPS5922350B2 publication Critical patent/JPS5922350B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To provide a low cost circle discharge lamp without adopting a special working method and free from possibility of environmental pollution during production by using a soda glass for the bulb material and by increasing the speed of bending the bulb after softened by heating.
COPYRIGHT: (C)1977,JPO&Japio
JP51035633A 1976-03-30 1976-03-30 Manufacturing method of circular discharge lamp Expired JPS5922350B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51035633A JPS5922350B2 (en) 1976-03-30 1976-03-30 Manufacturing method of circular discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51035633A JPS5922350B2 (en) 1976-03-30 1976-03-30 Manufacturing method of circular discharge lamp

Publications (2)

Publication Number Publication Date
JPS52118865A true JPS52118865A (en) 1977-10-05
JPS5922350B2 JPS5922350B2 (en) 1984-05-25

Family

ID=12447263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51035633A Expired JPS5922350B2 (en) 1976-03-30 1976-03-30 Manufacturing method of circular discharge lamp

Country Status (1)

Country Link
JP (1) JPS5922350B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56112043A (en) * 1980-02-05 1981-09-04 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS5730240A (en) * 1980-07-30 1982-02-18 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS57162241A (en) * 1981-03-30 1982-10-06 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS57174827A (en) * 1981-04-20 1982-10-27 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS57196452A (en) * 1981-05-27 1982-12-02 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS60177529A (en) * 1984-02-22 1985-09-11 Ckd Corp Shaping of bulb

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915416A (en) * 1972-05-18 1974-02-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915416A (en) * 1972-05-18 1974-02-09

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56112043A (en) * 1980-02-05 1981-09-04 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS5730240A (en) * 1980-07-30 1982-02-18 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS57162241A (en) * 1981-03-30 1982-10-06 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS57174827A (en) * 1981-04-20 1982-10-27 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS57196452A (en) * 1981-05-27 1982-12-02 Nec Home Electronics Ltd Manufacture of circular fluorescent lamp
JPS60177529A (en) * 1984-02-22 1985-09-11 Ckd Corp Shaping of bulb

Also Published As

Publication number Publication date
JPS5922350B2 (en) 1984-05-25

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