CA923191A - Electric incandescent lamps - Google Patents

Electric incandescent lamps

Info

Publication number
CA923191A
CA923191A CA081287A CA81287A CA923191A CA 923191 A CA923191 A CA 923191A CA 081287 A CA081287 A CA 081287A CA 81287 A CA81287 A CA 81287A CA 923191 A CA923191 A CA 923191A
Authority
CA
Canada
Prior art keywords
incandescent lamps
electric incandescent
electric
lamps
incandescent
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.)
Expired
Application number
CA081287A
Inventor
R. Coaton James
M. Rees John
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.)
Thorn Lighting Ltd
Original Assignee
Thorn Lighting 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 Lighting Ltd filed Critical Thorn Lighting Ltd
Application granted granted Critical
Publication of CA923191A publication Critical patent/CA923191A/en
Expired legal-status Critical Current

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
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
    • 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
CA081287A 1969-05-01 1970-04-28 Electric incandescent lamps Expired CA923191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22391/69A GB1267426A (en) 1969-05-01 1969-05-01 Improvements in electric incandescent lamps

Publications (1)

Publication Number Publication Date
CA923191A true CA923191A (en) 1973-03-20

Family

ID=10178621

Family Applications (1)

Application Number Title Priority Date Filing Date
CA081287A Expired CA923191A (en) 1969-05-01 1970-04-28 Electric incandescent lamps

Country Status (5)

Country Link
CA (1) CA923191A (en)
GB (1) GB1267426A (en)
NL (1) NL162509C (en)
SE (1) SE373982B (en)
ZA (1) ZA702721B (en)

Also Published As

Publication number Publication date
DE2020921A1 (en) 1970-11-19
NL162509B (en) 1979-12-17
ZA702721B (en) 1971-01-27
NL162509C (en) 1980-05-16
NL7006234A (en) 1970-11-03
DE2020921B2 (en) 1977-03-10
SE373982B (en) 1975-02-17
GB1267426A (en) 1972-03-22

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