Ammunition and explosives – Cartridges – Practice projectile type
Patent
1998-12-23
2000-08-01
Price, Thomas
Ammunition and explosives
Cartridges
Practice projectile type
102440, 102430, F42B 802
Patent
active
06095051&
ABSTRACT:
The invention provides a cartridge for use in a firearm, the cartridge having a projectile mounted in or on a nose portion thereof; the cartridge interior communicating with the projectile via a gas passage, a valve for controlling propellant gas flow through the gas passage, and a movable member which upon firing is propelled rearwardly from the cartridge against a breech block of the firearm by the pressure of propellant gas within the cartridge so as to recycle the firearm; characterized in that the valve is arranged to close in order to stop or substantially reduce the flow of propellant gas through the said gas passage after the projectile has been fired from the cartridge, thereby to facilitate rearwards propulsion of the movable member.
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Bergin James S.
Price Thomas
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