GB194250A - Improved manufacture of electric lamps with light-diffusing globes - Google Patents

Improved manufacture of electric lamps with light-diffusing globes

Info

Publication number
GB194250A
GB194250A GB11312/22A GB1131222A GB194250A GB 194250 A GB194250 A GB 194250A GB 11312/22 A GB11312/22 A GB 11312/22A GB 1131222 A GB1131222 A GB 1131222A GB 194250 A GB194250 A GB 194250A
Authority
GB
United Kingdom
Prior art keywords
light
globes
electric lamps
improved manufacture
diffusing globes
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
GB11312/22A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB194250A publication Critical patent/GB194250A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/04—Vessels or containers characterised by the material thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Glass Compositions (AREA)

Abstract

194,250. Naamlooze Vennootschap Philips' Gloeilampenfabrieken. Feb. 28, 1922, [Convention date], No Patent granted (Sealing fee not paid). Drawings to Specification, Globes.-The whole of the light-transmitting surfaces of electric lamp globes are formed of glass consisting of two layers melted together, the inner layer being of clear glass and the outer layer of light-diffusing glass.
GB11312/22A 1922-02-28 1922-04-21 Improved manufacture of electric lamps with light-diffusing globes Expired GB194250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL194250X 1922-02-28

Publications (1)

Publication Number Publication Date
GB194250A true GB194250A (en) 1923-07-23

Family

ID=19778032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11312/22A Expired GB194250A (en) 1922-02-28 1922-04-21 Improved manufacture of electric lamps with light-diffusing globes

Country Status (4)

Country Link
US (1) US1610062A (en)
DE (1) DE409616C (en)
FR (1) FR548955A (en)
GB (1) GB194250A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810660A (en) * 1954-02-01 1957-10-22 Westinghouse Electric Corp Diffusing reflecting coating and method of preparing same
AU2010225415A1 (en) 2009-03-16 2011-10-06 Gabae Technologies, Llc Apparatus, systems and methods for producing particles using rotating capillaries

Also Published As

Publication number Publication date
FR548955A (en) 1923-01-30
US1610062A (en) 1926-12-07
DE409616C (en) 1925-02-09

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