GB639210A - Improvements in conductor-seal bodies for high pressure metal vapour discharge lamps - Google Patents

Improvements in conductor-seal bodies for high pressure metal vapour discharge lamps

Info

Publication number
GB639210A
GB639210A GB11734/47A GB1173447A GB639210A GB 639210 A GB639210 A GB 639210A GB 11734/47 A GB11734/47 A GB 11734/47A GB 1173447 A GB1173447 A GB 1173447A GB 639210 A GB639210 A GB 639210A
Authority
GB
United Kingdom
Prior art keywords
metal vapour
conductor
high pressure
vapour discharge
discharge lamps
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
GB11734/47A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB11734/47A priority Critical patent/GB639210A/en
Priority to US49144A priority patent/US2583388A/en
Publication of GB639210A publication Critical patent/GB639210A/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
    • H01J5/32—Seals for leading-in conductors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/21—Utilizing thermal characteristic, e.g., expansion or contraction, etc.
    • Y10T403/213—Interposed material of intermediate coefficient of expansion

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

639,210. Uniting metals to vitreous materials. GENERAL ELECTRIC CO., Ltd., NELSON, E. H., and POWER, E. B. May 1, 1947, No. 11734. [Class 36] [Also in Group XL (a)] A seal for a tungsten rod 1, Fig. 1, in a highpressure metal vapour discharge lamp comprises a button of intermediate glass having a sleeve 2 and a dished flange 3 joined to a re-entrant expanded end 4 of the quartz tube 5. In the construction shown in Fig. 2, the dished flange 3 is joined to a non-re-entrant expanded end 4 of the tube 5. The space between the expanded end 4 of the tube 5 and the rod 1 is filled with powdered silicon, alumina or zirconia to restrict the amount of metal vapour filling of the lamp condensing therein.
GB11734/47A 1947-05-01 1947-05-01 Improvements in conductor-seal bodies for high pressure metal vapour discharge lamps Expired GB639210A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB11734/47A GB639210A (en) 1947-05-01 1947-05-01 Improvements in conductor-seal bodies for high pressure metal vapour discharge lamps
US49144A US2583388A (en) 1947-05-01 1948-09-14 Conducting seal for high-pressure lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11734/47A GB639210A (en) 1947-05-01 1947-05-01 Improvements in conductor-seal bodies for high pressure metal vapour discharge lamps

Publications (1)

Publication Number Publication Date
GB639210A true GB639210A (en) 1950-06-21

Family

ID=9991692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11734/47A Expired GB639210A (en) 1947-05-01 1947-05-01 Improvements in conductor-seal bodies for high pressure metal vapour discharge lamps

Country Status (2)

Country Link
US (1) US2583388A (en)
GB (1) GB639210A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2760310A (en) * 1951-01-13 1956-08-28 Gen Electric Quartz-to-metal seal
FR1317782A (en) * 1961-03-16 1963-05-08
US3433515A (en) * 1966-06-29 1969-03-18 Gen Motors Corp High temperature-pressure metal-to-glass seal constructions
US4491427A (en) * 1981-11-17 1985-01-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Reusable thermal cycling clamp

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1159335A (en) * 1913-03-06 1915-11-02 Arthur A Noyes Seal for vacuum apparatus.
US1558524A (en) * 1920-01-06 1925-10-27 Cooper Hewitt Electric Co Sealing device
GB207590A (en) * 1922-08-25 1923-11-26 Ernest Yeoman Robinson Improvements in seals, joints and the like of vacuum containers
US1909797A (en) * 1932-03-08 1933-05-16 Hanovia Chemical & Mfg Co Method of forming electrical lead-ins for fused quartz devices
GB476833A (en) * 1936-09-25 1937-12-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Improvements in or relating to high-pressure metal-vapour electric discharge lamps
US2116429A (en) * 1935-10-14 1938-05-03 Gen Electric Assembly for discharge devices
US2177714A (en) * 1936-10-27 1939-10-31 Gen Electric Gaseous electric discharge lamp device
GB520635A (en) * 1938-10-26 1940-04-30 Thermal Syndicate Ltd Improvements in or relating to the sealing of electric conductors through quartz
US2409360A (en) * 1942-04-03 1946-10-15 Gen Electric Seal structure for electric lamps and similar devices
BE463278A (en) * 1942-04-03
US2504522A (en) * 1948-07-29 1950-04-18 Gen Electric Quartz-to-metal seal

Also Published As

Publication number Publication date
US2583388A (en) 1952-01-22

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