GB1577535A - Photoflash lamp - Google Patents

Photoflash lamp Download PDF

Info

Publication number
GB1577535A
GB1577535A GB38624/77A GB3862477A GB1577535A GB 1577535 A GB1577535 A GB 1577535A GB 38624/77 A GB38624/77 A GB 38624/77A GB 3862477 A GB3862477 A GB 3862477A GB 1577535 A GB1577535 A GB 1577535A
Authority
GB
United Kingdom
Prior art keywords
primer
lamp
wires
envelope
lead
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
GB38624/77A
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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Publication of GB1577535A publication Critical patent/GB1577535A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Air Bags (AREA)
GB38624/77A 1976-11-24 1977-09-15 Photoflash lamp Expired GB1577535A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/744,540 US4369028A (en) 1976-11-24 1976-11-24 Photoflash lamp

Publications (1)

Publication Number Publication Date
GB1577535A true GB1577535A (en) 1980-10-22

Family

ID=24993082

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38624/77A Expired GB1577535A (en) 1976-11-24 1977-09-15 Photoflash lamp

Country Status (7)

Country Link
US (1) US4369028A (enExample)
BE (1) BE860218A (enExample)
CA (1) CA1104364A (enExample)
DE (1) DE2752250A1 (enExample)
FR (1) FR2372377B1 (enExample)
GB (1) GB1577535A (enExample)
NL (1) NL7710472A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4659308A (en) * 1985-12-10 1987-04-21 Gte Products Corporation Photoflash lamp with improved primer
US4614494A (en) * 1985-12-10 1986-09-30 Gte Products Corporation Primer insulating base
US5821451A (en) * 1996-12-19 1998-10-13 Eastman Kodak Company Photoflash particle mixture

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651189A (en) * 1951-06-27 1953-09-08 Westinghouse Electric Corp Photoflash lamp
US2783632A (en) * 1955-02-28 1957-03-05 Westinghouse Electric Corp Photoflash lamp and mount therefor
DE1255487B (de) * 1964-03-05 1967-11-30 Patra Patent Treuhand Blitzlampe mit Zuendpille
US3914143A (en) * 1972-12-15 1975-10-21 Gen Electric Photoflash lamp primer composition
US3904451A (en) * 1973-11-28 1975-09-09 Westinghouse Electric Corp Method for preparing primer for percussion-ignitable flash lamp
US3972673A (en) * 1974-09-23 1976-08-03 General Electric Company Photoflash lamp
US3969067A (en) * 1975-03-12 1976-07-13 General Electric Company Photoflash lamp
NL7602231A (nl) * 1976-03-04 1977-09-06 Philips Nv Verbrandingsflitslamp.
US4059389A (en) * 1976-09-07 1977-11-22 Gte Sylvania Incorporated Photoflash lamp and method of making same

Also Published As

Publication number Publication date
CA1104364A (en) 1981-07-07
NL7710472A (nl) 1978-05-26
FR2372377B1 (enExample) 1983-04-29
DE2752250A1 (de) 1978-06-01
FR2372377A1 (enExample) 1978-06-23
US4369028A (en) 1983-01-18
BE860218A (fr) 1978-02-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee