GB508018A - Improvements in and relating to tubular electric incandescent lamps - Google Patents

Improvements in and relating to tubular electric incandescent lamps

Info

Publication number
GB508018A
GB508018A GB35451/37A GB3545137A GB508018A GB 508018 A GB508018 A GB 508018A GB 35451/37 A GB35451/37 A GB 35451/37A GB 3545137 A GB3545137 A GB 3545137A GB 508018 A GB508018 A GB 508018A
Authority
GB
United Kingdom
Prior art keywords
incandescent lamps
electric incandescent
relating
tubular electric
filament
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
GB35451/37A
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.)
MARCEL BARTASSOT
Original Assignee
MARCEL BARTASSOT
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 MARCEL BARTASSOT filed Critical MARCEL BARTASSOT
Publication of GB508018A publication Critical patent/GB508018A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/16—Joining of caps to vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

508,018. Electric incandescent lamps. BARTASSOT, M. Dec. 22, 1937, No. 35451. Convention date, April 9. [Class 39 (ii)] A tubular lamp comprises a glass tube 1 with a contact cap 2 disposed midway between its ends 5, 6, these ends being respectively of concave and convex form to facilitate the juxtaposition of a number of lamps in the formation of a continuous luminous outline. The filament 3 is supported by wires 7 secured in a glass stem 8, additional support for the filament being provided by internal projections 4 formed in the lower part of the tube 1.
GB35451/37A 1937-04-09 1937-12-22 Improvements in and relating to tubular electric incandescent lamps Expired GB508018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR508018X 1937-04-09

Publications (1)

Publication Number Publication Date
GB508018A true GB508018A (en) 1939-06-22

Family

ID=8910110

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35451/37A Expired GB508018A (en) 1937-04-09 1937-12-22 Improvements in and relating to tubular electric incandescent lamps

Country Status (1)

Country Link
GB (1) GB508018A (en)

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