CH306187A - Process for the production of incandescent lamp bulbs with a light-scattering layer on the inner surface and incandescent lamp bulbs obtained by this process. - Google Patents

Process for the production of incandescent lamp bulbs with a light-scattering layer on the inner surface and incandescent lamp bulbs obtained by this process.

Info

Publication number
CH306187A
CH306187A CH306187DA CH306187A CH 306187 A CH306187 A CH 306187A CH 306187D A CH306187D A CH 306187DA CH 306187 A CH306187 A CH 306187A
Authority
CH
Switzerland
Prior art keywords
incandescent lamp
lamp bulbs
production
light
scattering layer
Prior art date
Application number
Other languages
German (de)
Inventor
Reszvenytarsasag Villamossagi
Original Assignee
Egyesuelt Izzolampa
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 filed Critical Egyesuelt Izzolampa
Publication of CH306187A publication Critical patent/CH306187A/en

Links

Classifications

    • 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)
CH306187D 1950-11-15 1951-11-12 Process for the production of incandescent lamp bulbs with a light-scattering layer on the inner surface and incandescent lamp bulbs obtained by this process. CH306187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU306187X 1950-11-15

Publications (1)

Publication Number Publication Date
CH306187A true CH306187A (en) 1955-03-31

Family

ID=10978738

Family Applications (1)

Application Number Title Priority Date Filing Date
CH306187D CH306187A (en) 1950-11-15 1951-11-12 Process for the production of incandescent lamp bulbs with a light-scattering layer on the inner surface and incandescent lamp bulbs obtained by this process.

Country Status (2)

Country Link
CH (1) CH306187A (en)
FR (1) FR1045921A (en)

Also Published As

Publication number Publication date
FR1045921A (en) 1953-12-02

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