Ammunition and explosives – Igniting devices and systems
Patent
1975-01-23
1976-07-27
Brown, David H.
Ammunition and explosives
Igniting devices and systems
89 1B, 102 45, F42C 1908
Patent
active
039713229
ABSTRACT:
A percussion-ignitable pressure actuated tube primer has a closed end, thin walled, metal tube which is indented over a portion of its length and is telescoped within a second metal tube. The indentation of the first metal tube defines a space between the first tube and the second metal tubular case. A percussively-ignitable primer mixture is contained in that space and ignites and deflagrates when the indented portion of the first tube is expanded and inverted by internal fluid pressure or a mechanical firing pin entering the first tube, and crushing the primer mixture between the expanding first tube and the bore of the second tubular case. The primer is made by coating the indented portion of the first tube with primer mixture in paste form and subsequently drying the primer mixture.
REFERENCES:
patent: 2785633 (1957-03-01), Ewing et al.
patent: 3404598 (1968-10-01), Angelos
patent: 3563178 (1971-02-01), Caples
patent: 3620121 (1971-11-01), Olsen
patent: 3911823 (1975-10-01), Murray et al.
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