NL92573C - - Google Patents

Info

Publication number
NL92573C
NL92573C NL92573DA NL92573C NL 92573 C NL92573 C NL 92573C NL 92573D A NL92573D A NL 92573DA NL 92573 C NL92573 C NL 92573C
Authority
NL
Netherlands
Application number
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.)
Publication of NL92573C publication Critical patent/NL92573C/xx

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)
NL92573D 1952-03-28 NL92573C (sh)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL92573C true NL92573C (sh)

Family

ID=10978771

Family Applications (1)

Application Number Title Priority Date Filing Date
NL92573D NL92573C (sh) 1952-03-28

Country Status (4)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE444428C (de) * 1925-11-15 1927-05-20 Patra Patent Treuhand Verfahren zur Herstellung elektrischer Lampen mit lichtstreuender oder farbiger Glocke
DE715921C (de) * 1935-05-29 1942-01-09 Philips Patentverwaltung Verfahren zur Herstellung von Fluoreszenzschirmen
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 (de) * 1947-02-15 1960-01-28 Gen Electric Verfahren zum Herstellen eines festhaftenden, lichtzerstreuenden Überzugs aus Siliciumdioxyd auf der Wandungsoberfläche der Glashülle einer elektrischen Glühlampe oder Entladungsröhre
DE830983C (de) * 1949-03-24 1952-02-11 Patra Patent Treuhand Verfahren zur Erzielung einer duennen UEberzugsschicht aus feinkoernigen Pulverstoffen auf den Glasgefaessen elektrischer Lampen u. dgl.

Also Published As

Publication number Publication date
CH320935A (de) 1957-04-15
DE1118880B (de) 1961-12-07
FR1073824A (fr) 1954-09-29

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