GB381637A - Improvements in or relating to caps for electric incandescent lamps or discharge tubes - Google Patents

Improvements in or relating to caps for electric incandescent lamps or discharge tubes

Info

Publication number
GB381637A
GB381637A GB21528/31A GB2152831A GB381637A GB 381637 A GB381637 A GB 381637A GB 21528/31 A GB21528/31 A GB 21528/31A GB 2152831 A GB2152831 A GB 2152831A GB 381637 A GB381637 A GB 381637A
Authority
GB
United Kingdom
Prior art keywords
cap
bulb
spring
screw
electric incandescent
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
GB21528/31A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB381637A publication Critical patent/GB381637A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
GB21528/31A 1930-08-07 1931-07-28 Improvements in or relating to caps for electric incandescent lamps or discharge tubes Expired GB381637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL381637X 1930-08-07

Publications (1)

Publication Number Publication Date
GB381637A true GB381637A (en) 1932-10-13

Family

ID=19785657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21528/31A Expired GB381637A (en) 1930-08-07 1931-07-28 Improvements in or relating to caps for electric incandescent lamps or discharge tubes

Country Status (5)

Country Link
BE (1) BE381643A (en(2012))
DE (1) DE583222C (en(2012))
FR (1) FR720828A (en(2012))
GB (1) GB381637A (en(2012))
NL (1) NL32109C (en(2012))

Also Published As

Publication number Publication date
DE583222C (de) 1933-08-30
NL32109C (en(2012))
BE381643A (en(2012))
FR720828A (fr) 1932-02-24

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