GB524815A - Improvements in thermionic valves having ceramic bases - Google Patents

Improvements in thermionic valves having ceramic bases

Info

Publication number
GB524815A
GB524815A GB398339A GB398339A GB524815A GB 524815 A GB524815 A GB 524815A GB 398339 A GB398339 A GB 398339A GB 398339 A GB398339 A GB 398339A GB 524815 A GB524815 A GB 524815A
Authority
GB
United Kingdom
Prior art keywords
valve
cap
over
envelope
wires
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
GB398339A
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.)
MO Valve Co Ltd
Original Assignee
MO Valve 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 MO Valve Co Ltd filed Critical MO Valve Co Ltd
Priority to GB398339A priority Critical patent/GB524815A/en
Publication of GB524815A publication Critical patent/GB524815A/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
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base

Landscapes

  • Particle Accelerators (AREA)

Abstract

524,815. Caps for discharge tubes. M-O VALVE CO., Ltd., RICHARDS, J., and WARREN, G. W. Feb. 7, 1939, No. 3983. [Class 38 (i)] A thermionic valve 2 having lead-in wires 7 sealed in a ceramic base 1 that closes the envelope is provided with a metal cap 3 that carries guiding means for locating the valve in its socket and is secured to the valve by means including the deformation of ,a metal part. In the form shown the guiding means consists of a rib 5 on the tube 4 that encloses the sealing-off pip 6. The cap is secured by spinning the edge 10 over the rim of the base 1, or the edge 10 may be extended and spun over a projection 11 on the envelope. Another mode of fixing- involves the use of dummy lead-in wires which are bent over after passing through holes in the cap and may be welded thereto. Specifications 516,110, [Group XL], and 516,169 are referred to.
GB398339A 1939-02-07 1939-02-07 Improvements in thermionic valves having ceramic bases Expired GB524815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB398339A GB524815A (en) 1939-02-07 1939-02-07 Improvements in thermionic valves having ceramic bases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB398339A GB524815A (en) 1939-02-07 1939-02-07 Improvements in thermionic valves having ceramic bases

Publications (1)

Publication Number Publication Date
GB524815A true GB524815A (en) 1940-08-15

Family

ID=9768579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB398339A Expired GB524815A (en) 1939-02-07 1939-02-07 Improvements in thermionic valves having ceramic bases

Country Status (1)

Country Link
GB (1) GB524815A (en)

Similar Documents

Publication Publication Date Title
GB525600A (en) Improvements in the construction of electric discharge tubes
GB524815A (en) Improvements in thermionic valves having ceramic bases
GB516169A (en) Improvements in bases or caps for electron discharge tubes
GB580406A (en) Improvements relating to electric discharge lamps
GB443767A (en) Improvements in and relating to thermionic discharge devices
GB524826A (en) Improvements in cathode ray tubes and like electric discharge devices having ceramic bases
GB495417A (en) Improvements in or relating to electron discharge devices employing evacuated envelopes with seal arrangements of the re-entrant type
GB352353A (en) Improvements in luminous electric discharge tubes
FR856699A (en) High pressure mercury vapor lamp, with initial gas charge and self-heating incandescent cathodes
GB532250A (en) Improvements in or relating to electron discharge devices
GB649410A (en) Arrangement for securing the cap to a vessel enclosing the electrode system of an electron tube
GB538940A (en) Improvements in cathode constructions for x-ray tubes
GB597577A (en) Improvements in bases for electric discharge devices such as electric discharge lamps
GB505777A (en) Improvements in or relating to electric discharge devices
GB472753A (en) Improvements in or relating to caps for electric incandescent lamps or the like
AU110206B2 (en) Electron discharge devices particularly cathode ray tubes
GB589671A (en) Improvements in or relating to electrical discharge devices and in holders or sockets therefor
GB528458A (en) Improvements in or relating to electron discharge tubes
GB269945A (en) Improvements in or relating to thermionic valves
GB571431A (en) Improvements in the manufacture of electron discharge tubes
GB525218A (en) Improvements in cathode ray tubes
CA379874A (en) Electron discharge device stem
GB553350A (en) Improvements in or relating to metal-to-glass seals of medium size
GB505776A (en) Improvements in or relating to stems for electric discharge devices
GB523574A (en) Improvements relating to thermionic valves