Photoflash lamp

Details Photoflash lamp Photoflash lamp

1975-10-10

1977-07-26

Cohan, Alan

Combustion

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

F21K 502

Patent

active

040380203

ABSTRACT:
A photoflash lamp having a borosilicate glass envelope with a relatively high coefficient of thermal expansion and a depending metal primer tube, or set of lead-in wires, sealed to the glass envelope. The envelope maintains or enhances strong containment characteristics while at the same time economically providing an improved glass-to-metal seal wherein the glass is in radial compression.

REFERENCES:
patent: 3506385 (1970-04-01), Weber et al.
patent: 3535063 (1970-10-01), Anderson et al.
patent: 3771941 (1973-11-01), Audesse et al.
patent: 3832124 (1974-08-01), Loughridge et al.

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