GB273255A - Improvements in or relating to the manufacture of triodes or other thermionic discharge tubes having several electrodes - Google Patents

Improvements in or relating to the manufacture of triodes or other thermionic discharge tubes having several electrodes

Info

Publication number
GB273255A
GB273255A GB12689/27A GB1268927A GB273255A GB 273255 A GB273255 A GB 273255A GB 12689/27 A GB12689/27 A GB 12689/27A GB 1268927 A GB1268927 A GB 1268927A GB 273255 A GB273255 A GB 273255A
Authority
GB
United Kingdom
Prior art keywords
frame
filament
triodes
relating
manufacture
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
GB12689/27A
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.)
Radiotechnique SA
Original Assignee
Radiotechnique SA
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 Radiotechnique SA filed Critical Radiotechnique SA
Publication of GB273255A publication Critical patent/GB273255A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/18—Assembling together the component parts of electrode systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

273,255. Soc. La Radiotechnique. June 23, 1926, [Convention date]. Vacuum tubes. - The mounting of a, filament is effected by means of a centring frame consisting of two side pieces 3, Fig. 2, and end pieces 5 with axial tongues 1 to which the filament 7 is welded. The frame carrying the filament is inserted in a grid 8, Fig. 3, the tongues are soldered to supports 9, 10, the frame is severed at the parts A-B, C-D, and the side pieces removed. The lower supports for the electrodes are mounted in a seal and the upper supports are spaced by a glass bead. The frame may be stamped from a sheet of tungsten, molybdenum or nickel, and the stamping and soldering mav be done automatically. Two sets of electrodes may be mounted in a bulb.
GB12689/27A 1926-06-23 1927-05-11 Improvements in or relating to the manufacture of triodes or other thermionic discharge tubes having several electrodes Expired GB273255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR631631T 1926-06-23

Publications (1)

Publication Number Publication Date
GB273255A true GB273255A (en) 1928-04-12

Family

ID=8991913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12689/27A Expired GB273255A (en) 1926-06-23 1927-05-11 Improvements in or relating to the manufacture of triodes or other thermionic discharge tubes having several electrodes

Country Status (2)

Country Link
FR (1) FR631631A (en)
GB (1) GB273255A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649553A (en) * 1950-09-02 1953-08-18 Bell Telephone Labor Inc Filamentary cathode support structure

Also Published As

Publication number Publication date
FR631631A (en) 1927-12-23

Similar Documents

Publication Publication Date Title
GB273255A (en) Improvements in or relating to the manufacture of triodes or other thermionic discharge tubes having several electrodes
GB496555A (en) Improved method of making electron discharge devices
GB495165A (en) Improvements relating to the envelopes of and leads in high frequency electron discharge tubes
GB516169A (en) Improvements in bases or caps for electron discharge tubes
GB488516A (en) Improvements relating to electric discharge tubes
US2178836A (en) Shock-absorbing support for radiotube mounts
GB393849A (en) Improvements in luminous electric discharge tubes
GB474706A (en) Improvements relating to glass-to-metal seals
GB498827A (en) Improvements relating to electric incandescent lamps
GB216896A (en) Improvements in or relating to electric discharge tubes having an incandescent cathode, an anode and one or more grid-electrodes
GB234844A (en) Improvements relating to electron discharge valves
GB235139A (en) Improvements in vacuum tubes
GB277997A (en)
GB301855A (en) Improvements in or relating to electronic discharge bulbs
GB242662A (en) Improvements in electrodes for electron discharge devices
GB520662A (en) Electric discharge tube
GB514967A (en) Improvements in and relating to electric discharge devices
GB241215A (en) Improvements in filament supports for vacuum tubes
GB209505A (en) Improvements in vacuum tubes
GB204910A (en) Improvements in electric discharge tubes and the like
GB289417A (en) Improvements relating to thermionic valves or electron discharge tubes
GB444416A (en) Thermionic valves
GB495417A (en) Improvements in or relating to electron discharge devices employing evacuated envelopes with seal arrangements of the re-entrant type
GB528458A (en) Improvements in or relating to electron discharge tubes
GB147831A (en) Method of and means for manufacturing electric incandescent lamps