GB476833A - Improvements in or relating to high-pressure metal-vapour electric discharge lamps - Google Patents

Improvements in or relating to high-pressure metal-vapour electric discharge lamps

Info

Publication number
GB476833A
GB476833A GB2605836A GB2605836A GB476833A GB 476833 A GB476833 A GB 476833A GB 2605836 A GB2605836 A GB 2605836A GB 2605836 A GB2605836 A GB 2605836A GB 476833 A GB476833 A GB 476833A
Authority
GB
United Kingdom
Prior art keywords
tube
quartz
electric discharge
relating
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
GB2605836A
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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
Priority to DEP71723D priority Critical patent/DE646241C/en
Priority to GB24877/35A priority patent/GB456608A/en
Priority to GB2045/36A priority patent/GB468643A/en
Priority to GB20178/36A priority patent/GB478368A/en
Priority to FR810098D priority patent/FR810098A/en
Priority to NL78875A priority patent/NL48532C/xx
Priority to US97278A priority patent/US2103041A/en
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority to GB2605836A priority patent/GB476833A/en
Priority to US120066A priority patent/US2135661A/en
Priority to US163700A priority patent/US2135734A/en
Priority to FR48790D priority patent/FR48790E/en
Publication of GB476833A publication Critical patent/GB476833A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/84—Lamps with discharge constricted by high pressure
    • H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

476,833. Sealing electric conductors into quartz. GENERAL ELECTRIC CO., Ltd. (Patent-Treuhand-Ges. f³r Elektrische Gl³hlampen) Sept. 25, 1936, Nos. 26058/36 and 13423/37. [Class 36] [Also in Group XL] The leads 8 of an electric discharge lamp consist of molybdenum strips lying between a quartz core 7 and a quartz tube 6 which is collapsed on to them while a pressure slightly above atmospheric is maintained in the core. The tube 6 is formed with a flange 5 by which it is sealed to the envelope, which is filled with neutral gas during the operation. The tube is formed with an enlargement 22, in which is an exhausted space through which pass thicker portions 23 of the leads. The whole seal is enclosed in a ceramic tube 4.
GB2605836A 1935-08-29 1936-09-25 Improvements in or relating to high-pressure metal-vapour electric discharge lamps Expired GB476833A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DEP71723D DE646241C (en) 1935-08-29 1935-08-29 Electric mercury vapor discharge lamp with a noble gas base filling, the operating vapor pressure of which is more than 20 atmospheres
GB24877/35A GB456608A (en) 1935-08-29 1935-09-06 Improvements in or relating to electric discharge devices
GB2045/36A GB468643A (en) 1935-08-29 1936-01-22 Improvements in or relating to extra-high-pressure metal vapour electric discharge devices
GB20178/36A GB478368A (en) 1935-08-29 1936-07-21 Improvements in or relating to the manufacture of electric discharge devices
FR810098D FR810098A (en) 1935-08-29 1936-08-06 Electric vapor discharge lamp with rare gas base filling
NL78875A NL48532C (en) 1935-08-29 1936-08-10
US97278A US2103041A (en) 1935-08-29 1936-08-21 Gaseous electric discharge lamp device
GB2605836A GB476833A (en) 1936-09-25 1936-09-25 Improvements in or relating to high-pressure metal-vapour electric discharge lamps
US120066A US2135661A (en) 1935-08-29 1937-01-11 Gaseous electric discharge device
US163700A US2135734A (en) 1935-08-29 1937-09-13 Gaseous electric discharge device
FR48790D FR48790E (en) 1935-08-29 1937-09-15 Electric mercury vapor discharge lamp with rare gas base filling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2605836A GB476833A (en) 1936-09-25 1936-09-25 Improvements in or relating to high-pressure metal-vapour electric discharge lamps

Publications (1)

Publication Number Publication Date
GB476833A true GB476833A (en) 1937-12-16

Family

ID=10237690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2605836A Expired GB476833A (en) 1935-08-29 1936-09-25 Improvements in or relating to high-pressure metal-vapour electric discharge lamps

Country Status (1)

Country Link
GB (1) GB476833A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561866A (en) * 1947-02-20 1951-07-24 Gen Electric High-pressure metal vapor electric discharge lamp
US2583388A (en) * 1947-05-01 1952-01-22 Gen Electric Conducting seal for high-pressure lamps
US3351802A (en) * 1964-06-12 1967-11-07 Sylvania Electric Prod Single ended, quartz type incandescent lamp
US4937495A (en) * 1986-12-01 1990-06-26 Patent-Treuhand Gesellschaft Fur Elektrische Gluhlampen M.B.H. Electrode structure for single ended high pressure discharge lamp
US5528101A (en) * 1992-10-05 1996-06-18 Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen Mbh Single-ended low-power discharge lamp, and method of its manufacture
WO2005062343A2 (en) * 2003-12-22 2005-07-07 Patent-Treuhand- Gesellschaft Für Elektrische Glühlampen Mbh Electrode for a high pressure discharge lamp

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561866A (en) * 1947-02-20 1951-07-24 Gen Electric High-pressure metal vapor electric discharge lamp
US2583388A (en) * 1947-05-01 1952-01-22 Gen Electric Conducting seal for high-pressure lamps
US3351802A (en) * 1964-06-12 1967-11-07 Sylvania Electric Prod Single ended, quartz type incandescent lamp
US4937495A (en) * 1986-12-01 1990-06-26 Patent-Treuhand Gesellschaft Fur Elektrische Gluhlampen M.B.H. Electrode structure for single ended high pressure discharge lamp
US5528101A (en) * 1992-10-05 1996-06-18 Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen Mbh Single-ended low-power discharge lamp, and method of its manufacture
WO2005062343A2 (en) * 2003-12-22 2005-07-07 Patent-Treuhand- Gesellschaft Für Elektrische Glühlampen Mbh Electrode for a high pressure discharge lamp
WO2005062343A3 (en) * 2003-12-22 2007-08-09 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrode for a high pressure discharge lamp

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