Photoflash lamp

Details Photoflash lamp Photoflash lamp

1975-03-12

1976-07-13

Dority, Jr., Carroll B.

Combustion

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

149 37, 149 1991, F21K 502

Patent

active

039690679

ABSTRACT:
An improved primer material is disclosed for a high-voltage type flashlamp construction. Said primer material comprises a solid mixture of a combustible fuel and an oxidizer for the fuel such as alkali metal chlorates and perchlorates, and which further contains a combustion-supporting oxide of the type which is converted to a lower oxide upon combustion of the mixture. A still further alumina gel additive in said primer composition modifies the ignition characteristics in a desirable manner for use in a high-voltage type flashlamp. An all-glass flashlamp construction is disclosed in which the improved primer material can be disposed between a pair of spaced-apart inlead wires to provide the desired ignition of a quantity of filamentary combustible material distributed within the lamp envelope.

REFERENCES:
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patent: 2982119 (1961-05-01), Anderson
patent: 3111016 (1963-11-01), Fink et al.
patent: 3501254 (1970-03-01), Nijland et al.
patent: 3540820 (1970-11-01), Shaffer et al.
patent: 3556699 (1971-01-01), Takahashi et al.
patent: 3602619 (1971-08-01), Van Der Tas et al.
patent: 3627459 (1971-12-01), Van Der Tas et al.
patent: 3724991 (1973-04-01), Schupp
patent: 3823994 (1974-07-01), De Graaf et al.
patent: 3893798 (1975-07-01), Sterling

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