Barrel assembly with axially stacked projectiles

F - Mech Eng,Light,Heat,Weapons – 41 – A

Patent

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Details

F41A 21/00 (2006.01) F41A 21/28 (2006.01) F41F 1/00 (2006.01) F41F 3/045 (2006.01) F42B 5/03 (2006.01) F42B 14/00 (2006.01)

Patent

CA 2227066

A barrel assembly (10) having a plurality of projectiles (11) stacked axially within the barrel (12) together with discrete selectively ignitable propellant charges (13) for propelling the projectiles (11) sequentially through the muzzle of the barrel (12) is provided with adjacent projectiles (11) separated from one another by locating means (13) independent of the projectiles. The locating means may be a solid propellant charge (13) located between adjacent projectiles or it may be a rigid casing (122) for the propellant. When subject to an in-barrel load a rear skirt portion of the active projectile (11) is expanded outwardly by the interaction between an inwardly reducing recess (14) formed in the rear end of a projectile and the nested complementary leading portion of the propellant charge (13) or propellant casing (122).

Cette invention concerne un ensemble canon (10) comportant plusieurs projectiles (11) empilés axialement à l'intérieur du canon (12), ainsi que des charges de poudre (13) discrètes et pouvant être mises à feu de manière sélective, lesquelles charges permettent de propulser les projectiles (11) de manière séquentielle à travers l'âme du canon (12). Les projectiles (11) se trouvent en position adjacente les uns par rapport aux autres, et sont séparés par des moyens de positionnement (13) indépendants desdits projectiles. Ces moyens de positionnement peuvent consister en une charge de poudre (13) solide située entre des projectiles adjacents, ou encore en un boîtier rigide (122) contenant de la poudre. Lors du chargement dans le canon, une partie arrière de la jupe du projectile (11) actif est élargie vers l'extérieur grâce à l'interaction se produisant entre, d'une part, un renfoncement (14) se rétrécissant vers l'intérieur et formé dans la partie arrière du projectile, et, d'autre part, la partie avant complémentaire et emboîtée de la charge de poudre (13) ou du boîtier de poudre (122).

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