Photoflash lamp with combustible filament

Details Photoflash lamp with combustible filament Photoflash lamp with combustible filament

1974-11-25

1978-06-27

Dority, Jr., Carroll B.

Combustion

Projector and igniter for liquid or gelled fuel slug or rod,...

F21K 502

Patent

active

040972216

ABSTRACT:
A photoflash lamp having an ignition filament composed of a combustible metal, such as zirconium, hafnium, or titanium, to assure reliable lamp operation from low current power sources. In miniature high pressure lamps, the combustible filament may be employed as the sole ignition source, without the need for primer beads.

REFERENCES:
patent: 2571799 (1951-10-01), Van Uden et al.
patent: 3123993 (1964-03-01), Cressman et al.

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