Photoflash lamp having a primer comprising an additive of...

Details Photoflash lamp having a primer comprising an additive of... Photoflash lamp having a primer comprising an additive of...

F - Mech Eng,Light,Heat,Weapons

21

K

67/10

F21K 5/08 (2006.01)

Patent

CA 1104364

PHOTOFLASH LAMP HAVING A PRIMER COMPRISING AN ADDITIVE OF FINELY DIVIDED INERT MATERIAL ABSTRACT OF THE DISCLOSURE A high-voltage type photoflash lamp having an ignition structure including an improved primer material for the reliable ignition of filamentary combustible material dis- tributed within the oxygen-filled envelope of the lamp. The primer material comprises a particulate fuel such as zirconium powder, a binding agent such as nitrocellulose, and an additive of finely divided inert material which is insoluble and nonconductive and has a particle size of less than about five microns diameter.

287025

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