GB502603A - Improvements in and relating to electric discharge lamps - Google Patents

Improvements in and relating to electric discharge lamps

Info

Publication number
GB502603A
GB502603A GB30246/38A GB3024638A GB502603A GB 502603 A GB502603 A GB 502603A GB 30246/38 A GB30246/38 A GB 30246/38A GB 3024638 A GB3024638 A GB 3024638A GB 502603 A GB502603 A GB 502603A
Authority
GB
United Kingdom
Prior art keywords
lamp
jacket
wires
contacts
well
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
GB30246/38A
Other languages
English (en)
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB502603A publication Critical patent/GB502603A/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
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB30246/38A 1937-10-19 1938-10-19 Improvements in and relating to electric discharge lamps Expired GB502603A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US169829A US2121638A (en) 1937-10-19 1937-10-19 Electric discharge device

Publications (1)

Publication Number Publication Date
GB502603A true GB502603A (en) 1939-03-21

Family

ID=22617346

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30246/38A Expired GB502603A (en) 1937-10-19 1938-10-19 Improvements in and relating to electric discharge lamps

Country Status (4)

Country Link
US (1) US2121638A (fr)
BE (1) BE502603A (fr)
FR (1) FR844915A (fr)
GB (1) GB502603A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2157882A (en) * 1984-03-29 1985-10-30 Tungsram Reszvenytarsasag High pressure sodium-vapour or metal halide lamp for direct current operation
GB2437611A (en) * 2006-03-30 2007-10-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrical connections in a high-pressure discharge lamp

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749461A (en) * 1953-04-30 1956-06-05 Westinghouse Electric Corp Lamp unit and inner member support
US4181869A (en) * 1978-03-06 1980-01-01 Gte Sylvania Incorporated Tungsten halogen lamp in reflector envelope
US8035304B2 (en) * 2008-03-06 2011-10-11 General Electric Company Ceramic high intensity discharge lamp having uniquely shaped shoulder
DE202019101580U1 (de) * 2019-03-20 2020-06-30 Otto Fuchs - Kommanditgesellschaft - Profilverbund

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2157882A (en) * 1984-03-29 1985-10-30 Tungsram Reszvenytarsasag High pressure sodium-vapour or metal halide lamp for direct current operation
GB2437611A (en) * 2006-03-30 2007-10-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrical connections in a high-pressure discharge lamp
GB2437611B (en) * 2006-03-30 2011-03-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High-pressure discharge lamp

Also Published As

Publication number Publication date
US2121638A (en) 1938-06-21
BE502603A (fr)
FR844915A (fr) 1939-08-04

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