GB421853A - Improvements in or relating to electric discharge devices - Google Patents

Improvements in or relating to electric discharge devices

Info

Publication number
GB421853A
GB421853A GB3175233A GB3175233A GB421853A GB 421853 A GB421853 A GB 421853A GB 3175233 A GB3175233 A GB 3175233A GB 3175233 A GB3175233 A GB 3175233A GB 421853 A GB421853 A GB 421853A
Authority
GB
United Kingdom
Prior art keywords
cap
protuberance
envelope
valve
glass
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
GB3175233A
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.)
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
Priority to BE406091D priority Critical patent/BE406091A/xx
Application filed by MO Valve Co Ltd filed Critical MO Valve Co Ltd
Priority to GB3175233A priority patent/GB421853A/en
Priority to FR781000D priority patent/FR781000A/fr
Publication of GB421853A publication Critical patent/GB421853A/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
    • H01J5/50Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54Means 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

  • Spark Plugs (AREA)
GB3175233A 1933-11-14 1933-11-14 Improvements in or relating to electric discharge devices Expired GB421853A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE406091D BE406091A (enrdf_load_stackoverflow) 1933-11-14
GB3175233A GB421853A (en) 1933-11-14 1933-11-14 Improvements in or relating to electric discharge devices
FR781000D FR781000A (fr) 1933-11-14 1934-11-09 Perfectionnements aux dispositifs à décharge électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3175233A GB421853A (en) 1933-11-14 1933-11-14 Improvements in or relating to electric discharge devices

Publications (1)

Publication Number Publication Date
GB421853A true GB421853A (en) 1935-01-01

Family

ID=10327858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3175233A Expired GB421853A (en) 1933-11-14 1933-11-14 Improvements in or relating to electric discharge devices

Country Status (3)

Country Link
BE (1) BE406091A (enrdf_load_stackoverflow)
FR (1) FR781000A (enrdf_load_stackoverflow)
GB (1) GB421853A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE406091A (enrdf_load_stackoverflow)
FR781000A (fr) 1935-05-07

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