Primer material and photoflash lamp

Details Primer material and photoflash lamp Primer material and photoflash lamp

1986-08-11

1987-09-29

Focarfino, Margaret A.

Combustion

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

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

149 37, F21K 502

Patent

active

046966412

ABSTRACT:
An improved primer material for use in a high-voltage photoflash lamp is provided. The primer material includes electrically insulating beads which have been coated with a friction-reducing material. The primer also includes an oxidizing agent, and a binder, and a combustible metal powder, part of the combustible metal powder being in larger particle form. A high-voltage photoflash lamp including the improved primer material of the present invention is also disclosed.

REFERENCES:
patent: 3685947 (1972-08-01), Meulemans et al.
patent: 3816054 (1974-06-01), Baldrige et al.
patent: 3823994 (1974-07-01), De Graaf et al.
patent: 3884615 (1975-05-01), Sobieski
patent: 4229161 (1980-10-01), Bouchard et al.
patent: 4315733 (1982-02-01), Bouchard et al.

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