GB462889A - Improvements in or relating to high-pressure electric discharge tubes - Google Patents

Improvements in or relating to high-pressure electric discharge tubes

Info

Publication number
GB462889A
GB462889A GB27561/36A GB2756136A GB462889A GB 462889 A GB462889 A GB 462889A GB 27561/36 A GB27561/36 A GB 27561/36A GB 2756136 A GB2756136 A GB 2756136A GB 462889 A GB462889 A GB 462889A
Authority
GB
United Kingdom
Prior art keywords
electric discharge
per cent
relating
discharge tubes
pressure electric
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
GB27561/36A
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 GB462889A publication Critical patent/GB462889A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Sealing Material Composition (AREA)
  • Primary Cells (AREA)

Abstract

462,889. Glass manufacture. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Oct. 10, 1936, No. 27561. Convention date, Oct. 14, 1935. Drawings to Specification. [Class 56] [Also in Group XL] A quartz tube, forming the body of an electric discharge tube, is sealed to a cap 4 consisting of glass having composition of 88À3 per cent SiO2, 8À4 per cent B2O3, 2À9 per cent Al2O3, and 0À4 per cent CaO.
GB27561/36A 1935-10-14 1936-10-10 Improvements in or relating to high-pressure electric discharge tubes Expired GB462889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE462889X 1935-10-14

Publications (1)

Publication Number Publication Date
GB462889A true GB462889A (en) 1937-03-17

Family

ID=6540036

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27561/36A Expired GB462889A (en) 1935-10-14 1936-10-10 Improvements in or relating to high-pressure electric discharge tubes

Country Status (3)

Country Link
US (1) US2116429A (en)
FR (1) FR811827A (en)
GB (1) GB462889A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754219C (en) * 1938-04-24 1954-03-15 Quarzlampen G M B H High-pressure metal vapor lamp, in particular high-pressure mercury lamp, with fixed, non-activated heating electrodes

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB639210A (en) * 1947-05-01 1950-06-21 Gen Electric Co Ltd Improvements in conductor-seal bodies for high pressure metal vapour discharge lamps
NL144070C (en) * 1948-02-27
US2682621A (en) * 1948-12-31 1954-06-29 Sylvania Electric Prod Gaseous discharge tube
US2774013A (en) * 1949-04-07 1956-12-11 Gen Electric Electric discharge lamp
US2675497A (en) * 1951-02-27 1954-04-13 Westinghouse Electric Corp Quartz metal seal
US2848641A (en) * 1953-05-13 1958-08-19 Westinghouse Electric Corp Vapor electric lamp
GB835144A (en) * 1957-05-21 1960-05-18 Gen Electric Co Ltd Improvements in or relating to low pressure mercury vapour fluorescent electric discharge lamps
JP4144176B2 (en) * 2000-11-22 2008-09-03 日本碍子株式会社 Luminescent container for high pressure discharge lamp
US7034461B2 (en) * 2002-09-19 2006-04-25 Osram Sylvania Inc. Ceramic arc tube with internal ridge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754219C (en) * 1938-04-24 1954-03-15 Quarzlampen G M B H High-pressure metal vapor lamp, in particular high-pressure mercury lamp, with fixed, non-activated heating electrodes

Also Published As

Publication number Publication date
FR811827A (en) 1937-04-23
US2116429A (en) 1938-05-03

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