FR986138A - Improvements in the manufacture of incandescent lamps - Google Patents

Improvements in the manufacture of incandescent lamps

Info

Publication number
FR986138A
FR986138A FR986138DA FR986138A FR 986138 A FR986138 A FR 986138A FR 986138D A FR986138D A FR 986138DA FR 986138 A FR986138 A FR 986138A
Authority
FR
France
Prior art keywords
manufacture
incandescent lamps
incandescent
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 FR986138A publication Critical patent/FR986138A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/44—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp directly applied to, or forming part of, the vessel
    • 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
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/32—Seals for leading-in conductors
    • H01J5/40—End-disc seals, e.g. flat header
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0034—Lamp bases
    • H01J2893/0035—Lamp bases shaped as flat plates, in particular metallic

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)
FR986138D 1948-05-14 1949-05-12 Improvements in the manufacture of incandescent lamps Expired FR986138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26989A US2465084A (en) 1948-05-14 1948-05-14 Incandescent lamp and method of manufacture

Publications (1)

Publication Number Publication Date
FR986138A true FR986138A (en) 1951-07-27

Family

ID=21835013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR986138D Expired FR986138A (en) 1948-05-14 1949-05-12 Improvements in the manufacture of incandescent lamps

Country Status (4)

Country Link
US (1) US2465084A (en)
BE (1) BE488988A (en)
FR (1) FR986138A (en)
NL (1) NL73724C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536082A (en) * 1954-03-01 1955-08-29
US2851623A (en) * 1955-04-07 1958-09-09 Frank Friesen Reimer Electric lamps
US2971111A (en) * 1957-11-13 1961-02-07 Sylvania Electric Prod Exhaust tube and top cap assembly
US3020437A (en) * 1959-02-09 1962-02-06 John J Horan Elastic lamps, principles, constructions, mountings and methods
US3510717A (en) * 1967-08-02 1970-05-05 Gen Electric Electric glow discharge device with telescoped electrodes
US3573534A (en) * 1968-10-28 1971-04-06 Gen Electric Lamp base and leading-in wire connection
US4254358A (en) * 1978-09-25 1981-03-03 Kondo Sylvania Kabushiki Kaisha Incandescent lamp
GB2484738B (en) * 2010-10-22 2016-06-15 Heraeus Noblelight Analytics Ltd Lamp comprising a getter

Also Published As

Publication number Publication date
US2465084A (en) 1949-03-22
BE488988A (en)
NL73724C (en)

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