Ammunition and explosives – Cartridges
Patent
1991-02-11
1992-02-25
Tudor, Harold J.
Ammunition and explosives
Cartridges
102470, F42B 500
Patent
active
050903276
ABSTRACT:
A cartridge comprises a cartridge case having a bottom, a top, and a hollow interior, the top being open and receiving a projectile, and the hollow interior containing a propellant charge. A metal ignition tube extends from a primer cap on the bottom of the cartridge case for about one-third the length of the cartridge case. The metal ignition tube terminates in an open end. A detonating agent is contained within the metal ignition tube, but does not completely fill it. An empty channel is formed in the propellant charge and extends from the open end of the metal ignition tube to within proximity of the projectile. Preferably, the empty channel is constituted by a closed tube having walls made from a combustible material. When the cartridge is fired, a darting flame is produced in the metal ignition tube which passes through the open end unhindered into the empty channel, thereby igniting all of the propellant charge surrounding the channel practically simultaneously.
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Steyr-Daimler-Puch AG
Tudor Harold J.
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