CA934810A - Production of tungsten halogen lamps - Google Patents

Production of tungsten halogen lamps

Info

Publication number
CA934810A
CA934810A CA120275A CA120275A CA934810A CA 934810 A CA934810 A CA 934810A CA 120275 A CA120275 A CA 120275A CA 120275 A CA120275 A CA 120275A CA 934810 A CA934810 A CA 934810A
Authority
CA
Canada
Prior art keywords
production
halogen lamps
tungsten halogen
tungsten
lamps
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
CA120275A
Other languages
English (en)
Other versions
CA120275S (en
Inventor
M. Rees John
E. Coxon George
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.)
EMI Group Ltd
Original Assignee
Thorn Electrical Industries 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 Industries Ltd filed Critical Thorn Electrical Industries Ltd
Application granted granted Critical
Publication of CA934810A publication Critical patent/CA934810A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
CA120275A 1970-08-11 1971-08-11 Production of tungsten halogen lamps Expired CA934810A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA934810A true CA934810A (en) 1973-10-02

Family

ID=10405268

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120275A Expired CA934810A (en) 1970-08-11 1971-08-11 Production of tungsten halogen lamps

Country Status (6)

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

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
DE3266909D1 (en) * 1981-06-23 1985-11-21 Emi Plc Thorn 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 (de) * 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
NL156539B (nl) 1978-04-17
DE2139356B2 (de) 1978-05-11
DE2139356C3 (de) 1979-01-11
NL7111083A (de) 1972-02-15
ZA715027B (en) 1972-04-26
GB1318711A (en) 1973-05-31
US3738729A (en) 1973-06-12
DE2139356A1 (de) 1972-02-17
AU3216271A (en) 1973-03-22

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