Patent ID: 6223642
Filing Date: 2001-05-01
Classification: F41A,F42B

Abstract:
A projectile firing weapon for firing rounds having a projectile and an associated bore seal which is radially expanded by relative axial displacement between the projectile and the bore seal, said weapon including:a barrel assembly having a barrel bore, a barrel chamber for the round to be fired through the barrel bore and an associated breech chamber for the next round to be fired;a propellant chamber formed in the barrel assembly between the barrel chamber and the breech chamber;feed means for feeding propellant into the propellant chamber;a loading opening to the barrel assembly through which rounds may be fed axially and sequentially into the breech chamber thereby forcing the existing round therein into the barrel chamber;holding means cooperable with the round fed into the breech chamber for effecting a sealing relationship between the breech chamber and the round therein causing an operative closure of the barrel chamber, andignition means for igniting propellant in the propellant chamber.