Photoflash lamp with electrostatic protection and method of maki

Details Photoflash lamp with electrostatic protection and method of maki Photoflash lamp with electrostatic protection and method of maki

1975-11-10

1977-03-29

Dority, Jr., Carroll B.

Combustion

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

A23L 120

Patent

active

040146383

ABSTRACT:
A high-voltage type photoflash lamp having an ignition structure comprising a mass of primer material bridging a pair of lead-in wires which comprise the two legs of a generally hairpin-shaped wire. The bight of the hairpin-shaped wire is disposed outside the lamp envelope and provides electrostatic protection by short circuiting the lamp prior to use. Also disclosed is a method of making a photoflash unit containing such a lamp wherein the bight is cut (to enable the lamp) prior to assembling it into the unit.

REFERENCES:
patent: 2247384 (1941-07-01), Huyett
patent: 2978890 (1961-04-01), Chiola et al.
patent: 3158014 (1964-11-01), Brouse
patent: 3312085 (1967-04-01), Schilling et al.

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