FR47495E - High pressure mercury lamp - Google Patents

High pressure mercury lamp

Info

Publication number
FR47495E
FR47495E FR47495DA FR47495E FR 47495 E FR47495 E FR 47495E FR 47495D A FR47495D A FR 47495DA FR 47495 E FR47495 E FR 47495E
Authority
FR
France
Prior art keywords
high pressure
mercury lamp
pressure mercury
lamp
pressure
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
Other languages
French (fr)
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR47495E publication Critical patent/FR47495E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Ceramic Products (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR47495D 1935-07-13 1936-06-30 High pressure mercury lamp Expired FR47495E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP71541D DE637269C (en) 1935-07-13 1935-07-13 High-pressure mercury lamp with inert gas base filling and glow electrodes
GB20775/35A GB458603A (en) 1935-07-13 1935-07-22 Improvements in luminous electric discharge lamps

Publications (1)

Publication Number Publication Date
FR47495E true FR47495E (en) 1937-05-25

Family

ID=25990961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR47495D Expired FR47495E (en) 1935-07-13 1936-06-30 High pressure mercury lamp

Country Status (4)

Country Link
US (1) US2135662A (en)
DE (1) DE637269C (en)
FR (1) FR47495E (en)
GB (1) GB458603A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219869A (en) * 1963-07-01 1965-11-23 Gen Electric Cesium vapor discharge lamp
US20080170384A1 (en) * 2007-01-11 2008-07-17 Zhu Jing Jim Lamp

Also Published As

Publication number Publication date
GB458603A (en) 1936-12-23
US2135662A (en) 1938-11-08
DE637269C (en) 1936-10-24

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