Subminiature flashlamp mount design

Combustion – Illuminating flash device – e.g. – photographic bulb – etc. – Fuel charge within sealed transparent casing – e.g. – bulb

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F21K 502

Patent

active

044327250

ABSTRACT:
A photoflash lamp has an envelope containing a filamentary combustible material in a combustion-supporting atmosphere and is positioned adjacent an ignition means having a pair of electrical conductors sealed into one end of the envelope and bent to form loops within the envelope whereon a covering of primer material is disposed.

REFERENCES:
patent: 3602619 (1969-08-01), Vandertas et al.
patent: 4059389 (1977-11-01), Armstrong et al.
patent: 4348173 (1982-09-01), English et al.

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