GB788269A - Improvements in or relating to a method of manufacturing a partly internally silvered tubular incandescent lamp - Google Patents

Improvements in or relating to a method of manufacturing a partly internally silvered tubular incandescent lamp

Info

Publication number
GB788269A
GB788269A GB68/56A GB6856A GB788269A GB 788269 A GB788269 A GB 788269A GB 68/56 A GB68/56 A GB 68/56A GB 6856 A GB6856 A GB 6856A GB 788269 A GB788269 A GB 788269A
Authority
GB
United Kingdom
Prior art keywords
wires
tube
supporting
filament
straps
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
GB68/56A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB788269A publication Critical patent/GB788269A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • H01K1/24—Mounts for lamps with connections at opposite ends, e.g. for tubular lamp

Landscapes

  • Resistance Heating (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB68/56A 1955-01-05 1956-01-02 Improvements in or relating to a method of manufacturing a partly internally silvered tubular incandescent lamp Expired GB788269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL788269X 1955-01-05

Publications (1)

Publication Number Publication Date
GB788269A true GB788269A (en) 1957-12-23

Family

ID=19832332

Family Applications (1)

Application Number Title Priority Date Filing Date
GB68/56A Expired GB788269A (en) 1955-01-05 1956-01-02 Improvements in or relating to a method of manufacturing a partly internally silvered tubular incandescent lamp

Country Status (6)

Country Link
US (1) US2901658A (pm)
BE (1) BE544147A (pm)
DE (1) DE1004732B (pm)
FR (1) FR1139963A (pm)
GB (1) GB788269A (pm)
NL (2) NL193793A (pm)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1449851A (en) * 1973-07-10 1976-09-15 Thorn Electrical Ind Ltd Electrical incandescent filament devices
US4384235A (en) * 1979-05-22 1983-05-17 Thorn Emi Limited Linear filament assembly with refractory insulating support rod for halogen lamp
DE3166387D1 (en) * 1980-02-06 1984-11-08 Emi Plc Thorn Incandescent filament supports

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1738957A (en) * 1923-04-16 1929-12-10 Magnavox Co Photo-electric tube
US1800037A (en) * 1927-11-24 1931-04-07 Gen Electric Tubular incandescent lamp
BE356406A (pm) * 1927-12-13
US2032945A (en) * 1932-04-21 1936-03-03 Westinghouse Lamp Co 115 volt ultra-violet lamp
US2032791A (en) * 1933-04-20 1936-03-03 Gen Electric Tubular and other incandescent lamps and their manufacture
US2114175A (en) * 1937-03-13 1938-04-12 Gen Electric Electric lamp or similar device

Also Published As

Publication number Publication date
DE1004732B (de) 1957-03-21
NL87548C (pm)
FR1139963A (fr) 1957-07-09
US2901658A (en) 1959-08-25
BE544147A (pm)
NL193793A (pm)

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