FR793803A - Method of protection of metal vapor lamps against attack by alkali metals - Google Patents

Method of protection of metal vapor lamps against attack by alkali metals

Info

Publication number
FR793803A
FR793803A FR793803DA FR793803A FR 793803 A FR793803 A FR 793803A FR 793803D A FR793803D A FR 793803DA FR 793803 A FR793803 A FR 793803A
Authority
FR
France
Prior art keywords
protection
alkali metals
metal vapor
against attack
vapor 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
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR793803A publication Critical patent/FR793803A/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
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
    • 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/02—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass

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)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Glass Compositions (AREA)
FR793803D 1934-08-23 1935-08-14 Method of protection of metal vapor lamps against attack by alkali metals Expired FR793803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US441603XA 1934-08-23 1934-08-23

Publications (1)

Publication Number Publication Date
FR793803A true FR793803A (en) 1936-02-01

Family

ID=21930828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793803D Expired FR793803A (en) 1934-08-23 1935-08-14 Method of protection of metal vapor lamps against attack by alkali metals

Country Status (2)

Country Link
FR (1) FR793803A (en)
GB (1) GB441603A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0662704A1 (en) * 1993-12-28 1995-07-12 Toshiba Lighting & Technology Corporation Lamp and lighting apparatus utilizing same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421775A (en) * 1943-06-28 1947-06-10 Magnaflux Corp Method and apparatus for magnetic testing
JP2001502289A (en) 1997-07-16 2001-02-20 日本電気硝子株式会社 Glass product having surface coated with boric acid and method for producing the same
AU2000276988A1 (en) * 2000-09-01 2002-03-13 Turkiye Sise Ve Cam Fabrikalari A.S. Stainresistant glass and articles made thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0662704A1 (en) * 1993-12-28 1995-07-12 Toshiba Lighting & Technology Corporation Lamp and lighting apparatus utilizing same

Also Published As

Publication number Publication date
GB441603A (en) 1936-01-22

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