Miniature photoflash lamp and method of making

Details Miniature photoflash lamp and method of making Miniature photoflash lamp and method of making

1982-02-08

1983-05-10

Scott, Samuel

Combustion

Illuminating flash device, e.g., photographic bulb, etc.

Fuel charge within sealed transparent casing, e.g., bulb

F21K 502

Patent

active

043827756

ABSTRACT:
A miniature photoflash lamp which includes a plastic, light-transmitting envelope and a quantity of a flash-producing composition therein. The composition includes a powdered metal (e.g., zirconium) and a powdered oxidizer (e.g., potassium chlorate) with the powdered metal having a particle size within the range of about 10 to 150 microns. Activation of the lamp may be accomplished electrically using, for example, a pair of conductive lead-in wires sealed within one end of the envelope. A method for making this lamp is also described.

REFERENCES:
patent: 2305561 (1942-12-01), Sylvester
patent: 2791111 (1957-05-01), Gleim
patent: 2798368 (1957-07-01), Anderson
patent: 3220224 (1965-11-01), Baird
patent: 3310968 (1967-03-01), Buzalski
patent: 3535063 (1970-10-01), Anderson et al.
patent: 3751656 (1973-08-01), Buckler et al.
patent: 3817683 (1974-06-01), Weber
patent: 3893798 (1975-07-01), Sterling

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