GB381837A - Improvements in or relating to capless electric incandescent lamps or discharge tubes - Google Patents

Improvements in or relating to capless electric incandescent lamps or discharge tubes

Info

Publication number
GB381837A
GB381837A GB6319/32A GB631932A GB381837A GB 381837 A GB381837 A GB 381837A GB 6319/32 A GB6319/32 A GB 6319/32A GB 631932 A GB631932 A GB 631932A GB 381837 A GB381837 A GB 381837A
Authority
GB
United Kingdom
Prior art keywords
tube
sealed
bulb
exhausting
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
GB6319/32A
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 GB381837A publication Critical patent/GB381837A/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
    • H01J9/40—Closing vessels
    • 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
    • H01K1/44—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp directly applied to, or forming part of, the vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
GB6319/32A 1931-03-03 1932-03-02 Improvements in or relating to capless electric incandescent lamps or discharge tubes Expired GB381837A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL381837X 1931-03-03

Publications (1)

Publication Number Publication Date
GB381837A true GB381837A (en) 1932-10-13

Family

ID=19785662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6319/32A Expired GB381837A (en) 1931-03-03 1932-03-02 Improvements in or relating to capless electric incandescent lamps or discharge tubes

Country Status (3)

Country Link
BE (1) BE386759A (enrdf_load_stackoverflow)
FR (1) FR732477A (enrdf_load_stackoverflow)
GB (1) GB381837A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR732477A (fr) 1932-09-21
BE386759A (enrdf_load_stackoverflow)

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