Priming method for rimfire cartridge

Plastic and nonmetallic article shaping or treating: processes – Explosive or propellant article shaping or treating – Forming or treating particulate material

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86 17, 86 201, 86 2014, 86 2015, 86 30, 86 32, 102205, 102315, 102441, 149 39, 149105, 264 36, C06D 108, F42B 300

Patent

active

046891854

ABSTRACT:
A priming method for rimfire cartridges is disclosed in which a propellant solution is disposed adjacent a centrifugally located primer material in a rimfire cartridge. The solvent is then evaporated to leave a propellant film near the primer material in order to provide slower, more uniform ignition to thereby allow use of propellant powders which would otherwise be too fast or too sensitive.

REFERENCES:
patent: 40772 (1863-12-01), Sharns
patent: 90871 (1869-06-01), Powers
patent: 814378 (1906-03-01), Johnson
patent: 1075202 (1913-10-01), Fidjeland
patent: 2662818 (1953-12-01), Schuricht
patent: 4247494 (1981-01-01), Carter
patent: 4405392 (1983-09-01), Hobbs et al.
patent: 4412492 (1983-11-01), Knight et al.
patent: 4432819 (1984-02-01), Carter et al.
patent: 4608102 (1986-08-01), Krampen et al.

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