FR1073824A - Incandescent colored electric lamp and its manufacturing process - Google Patents

Incandescent colored electric lamp and its manufacturing process

Info

Publication number
FR1073824A
FR1073824A FR1073824DA FR1073824A FR 1073824 A FR1073824 A FR 1073824A FR 1073824D A FR1073824D A FR 1073824DA FR 1073824 A FR1073824 A FR 1073824A
Authority
FR
France
Prior art keywords
manufacturing process
electric lamp
colored electric
incandescent
incandescent colored
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.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 Egyesuelt Izzolampa es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Application granted granted Critical
Publication of FR1073824A publication Critical patent/FR1073824A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material 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
    • H01K3/005—Methods for coating the surface of the envelope

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR1073824D 1952-03-28 1953-03-28 Incandescent colored electric lamp and its manufacturing process Expired FR1073824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU320935X 1952-03-28

Publications (1)

Publication Number Publication Date
FR1073824A true FR1073824A (en) 1954-09-29

Family

ID=10978771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1073824D Expired FR1073824A (en) 1952-03-28 1953-03-28 Incandescent colored electric lamp and its manufacturing process

Country Status (4)

Country Link
CH (1) CH320935A (en)
DE (1) DE1118880B (en)
FR (1) FR1073824A (en)
NL (1) NL92573C (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE444428C (en) * 1925-11-15 1927-05-20 Patra Patent Treuhand Process for the production of electric lamps with a light-diffusing or colored bell
DE715921C (en) * 1935-05-29 1942-01-09 Philips Patentverwaltung Process for the production of fluorescent screens
GB532783A (en) * 1938-09-29 1941-01-30 Westinghouse Electric Int Co Improved method of coating the interior surface of the envelopes of electric lamps
DE1074232B (en) * 1947-02-15 1960-01-28 Gen Electric Process for producing a firmly adhering, light-scattering coating of silicon dioxide on the wall surface of the glass envelope of an electric incandescent lamp or discharge tube
DE830983C (en) * 1949-03-24 1952-02-11 Patra Patent Treuhand Process for achieving a thin coating layer of fine-grained powder materials on the glass vessels of electric lamps and the like. like

Also Published As

Publication number Publication date
DE1118880B (en) 1961-12-07
CH320935A (en) 1957-04-15
NL92573C (en)

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