GB503763A - Improvements in the manufacture of thermionic valve devices - Google Patents

Improvements in the manufacture of thermionic valve devices

Info

Publication number
GB503763A
GB503763A GB27195/37A GB2719537A GB503763A GB 503763 A GB503763 A GB 503763A GB 27195/37 A GB27195/37 A GB 27195/37A GB 2719537 A GB2719537 A GB 2719537A GB 503763 A GB503763 A GB 503763A
Authority
GB
United Kingdom
Prior art keywords
bulb
tube
disc
wires
exhausting
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
GB27195/37A
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.)
JULIEN LOUIS AMIOT
Original Assignee
JULIEN LOUIS AMIOT
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 JULIEN LOUIS AMIOT filed Critical JULIEN LOUIS AMIOT
Publication of GB503763A publication Critical patent/GB503763A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/32Seals for leading-in conductors

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB27195/37A 1936-10-08 1937-10-07 Improvements in the manufacture of thermionic valve devices Expired GB503763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR823741T 1936-10-08

Publications (1)

Publication Number Publication Date
GB503763A true GB503763A (en) 1939-04-11

Family

ID=9281515

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27195/37A Expired GB503763A (en) 1936-10-08 1937-10-07 Improvements in the manufacture of thermionic valve devices

Country Status (3)

Country Link
BE (1) BE423978A (enrdf_load_stackoverflow)
FR (1) FR823741A (enrdf_load_stackoverflow)
GB (1) GB503763A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE423978A (enrdf_load_stackoverflow)
FR823741A (fr) 1938-01-25

Similar Documents

Publication Publication Date Title
GB542399A (en) Improvements relating to machines for manufacturing electric lamps and similar devices
GB432442A (en) Improvements relating to electrical discharge tubes
GB514264A (en) Improvements in and relating to electric lamps and the like
GB503763A (en) Improvements in the manufacture of thermionic valve devices
GB560237A (en) Improvements in the manufacture of seals wherein electric conductors pass through a vitreous wall
US2103028A (en) Electric conduction device
GB533106A (en) Improvements in and relating to methods of exhausting and sealing envelopes having a metal portion to which the seal is applied
US2415867A (en) Lamp base
US1771957A (en) Electric lamp
US2775070A (en) Sealing apparatus for mercury arc discharge tubes
US2289972A (en) Discharge lamp
GB498827A (en) Improvements relating to electric incandescent lamps
US2118002A (en) Electron discharge tube
GB481940A (en) Improvements in the sealing of electric lead-in wires into glass envelopes
US2349349A (en) Incandescent electric lamp
GB232201A (en) Improvements in or relating to incandescent cathodes for discharge tubes
US2103048A (en) Gaseous electric discharge lamp device
GB429886A (en) Improvements in and relating to electric lamps
US2108519A (en) Stem assembly for electron discharge devices
GB490511A (en) Improvements in vacuum electric discharge tubes or valves
US1799743A (en) Manufacture of electric incandescent lamps or similar devices
GB224877A (en) Improvements in electron discharge devices
GB489630A (en) Improvements in the sealing of electric conductors through quartz envelopes
GB435663A (en) Improvements in electric lamps and similar devices
GB404566A (en) Process for sealing off vessels containing gases