ZA715027B - Production of tungsten halogen lamps - Google Patents

Production of tungsten halogen lamps

Info

Publication number
ZA715027B
ZA715027B ZA715027A ZA715027A ZA715027B ZA 715027 B ZA715027 B ZA 715027B ZA 715027 A ZA715027 A ZA 715027A ZA 715027 A ZA715027 A ZA 715027A ZA 715027 B ZA715027 B ZA 715027B
Authority
ZA
South Africa
Prior art keywords
production
halogen lamps
tungsten halogen
tungsten
lamps
Prior art date
Application number
ZA715027A
Inventor
G Coxon
J Rees
Original Assignee
Thorn Electrical Ind 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 Thorn Electrical Ind Ltd filed Critical Thorn Electrical Ind Ltd
Publication of ZA715027B publication Critical patent/ZA715027B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/22—Exhausting, degassing, filling, or cleaning vessels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
ZA715027A 1970-08-11 1971-07-28 Production of tungsten halogen lamps ZA715027B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3871970 1970-08-11

Publications (1)

Publication Number Publication Date
ZA715027B true ZA715027B (en) 1972-04-26

Family

ID=10405268

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA715027A ZA715027B (en) 1970-08-11 1971-07-28 Production of tungsten halogen lamps

Country Status (6)

Country Link
US (1) US3738729A (en)
CA (1) CA934810A (en)
DE (1) DE2139356C3 (en)
GB (1) GB1318711A (en)
NL (1) NL156539B (en)
ZA (1) ZA715027B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1276828A (en) * 1970-10-15 1972-06-07 Thorn Electrical Ind Ltd Manufacture of tungsten halogen lamps
US3811063A (en) * 1972-12-22 1974-05-14 J Rees Electric incandescent lamps
US4065694A (en) * 1975-02-25 1977-12-27 Westinghouse Electric Corporation Regenerative-cycle incandescent lamp containing SnI4 additive
US4078188A (en) * 1976-03-30 1978-03-07 Westinghouse Electric Corporation Regenerative-cycle incandescent lamp containing a dual-additive
EP0068655B1 (en) * 1981-06-23 1985-10-16 THORN EMI plc Tungsten halogen incandescent lamps and mixed filling of gas and halogen compounds

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA763062A (en) * 1967-07-11 Bouwman Lucas Iodine lamp
NL262249A (en) * 1960-03-11
US3091718A (en) * 1960-07-08 1963-05-28 Duro Test Corp Constant lumen maintenance lamp

Also Published As

Publication number Publication date
DE2139356C3 (en) 1979-01-11
DE2139356A1 (en) 1972-02-17
DE2139356B2 (en) 1978-05-11
NL7111083A (en) 1972-02-15
AU3216271A (en) 1973-03-22
GB1318711A (en) 1973-05-31
CA934810A (en) 1973-10-02
US3738729A (en) 1973-06-12
NL156539B (en) 1978-04-17

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