GB491769A - Electric incandescent lamp - Google Patents

Electric incandescent lamp

Info

Publication number
GB491769A
GB491769A GB5402/38A GB540238A GB491769A GB 491769 A GB491769 A GB 491769A GB 5402/38 A GB5402/38 A GB 5402/38A GB 540238 A GB540238 A GB 540238A GB 491769 A GB491769 A GB 491769A
Authority
GB
United Kingdom
Prior art keywords
incandescent lamp
electric incandescent
feb
extension
cap
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
GB5402/38A
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.)
Ver Gluehlampen & Elek AG
Original Assignee
Ver Gluehlampen & Elek AG
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 Ver Gluehlampen & Elek AG filed Critical Ver Gluehlampen & Elek AG
Publication of GB491769A publication Critical patent/GB491769A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
    • 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
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

491,769. Two-part couplings. VEREINIGTE GLUHLAMPEN UND ELEKTRIZITATS AKT.-GES. Feb. 21, 1938, No. 5402. Convention date, Feb. 20, 1937. [Class 38 (i)] [Also in Group XI] In an electric incandescent lamp, intended particularly for air raid precaution purposes, the metal cap 6 has an extension which shrouds the bulb 1 and screens off the light rays, while, to provide safety in manipulation, a ring 11 of insulating-material is secured to the edge of the cap extension.
GB5402/38A 1937-02-20 1938-02-21 Electric incandescent lamp Expired GB491769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE491769X 1937-02-20

Publications (1)

Publication Number Publication Date
GB491769A true GB491769A (en) 1938-09-08

Family

ID=6544313

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5402/38A Expired GB491769A (en) 1937-02-20 1938-02-21 Electric incandescent lamp

Country Status (1)

Country Link
GB (1) GB491769A (en)

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