Projectile sealing arrangement

F - Mech Eng,Light,Heat,Weapons – 42 – B

Patent

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Details

F42B 5/16 (2006.01) F42B 5/03 (2006.01) F42B 14/00 (2006.01) F42B 30/00 (2006.01)

Patent

CA 2482783

A projectile sealing arrangement for a barrel assembly of a weapon wherein a plurality of projectile assemblies (10) are axially disposed in abutting relationship within a barrel (20), each projectile assembly (10) including a body (11) associated with a discrete propellant charge (15); said sealing arrangement comprising rearward opening (13) communicating with cavity (14) provided in said projectile assembly (10) for retaining the discrete propellant charge (15) and a forward portion (16) of an abutting projectile arranged for operative sealing engagement with a complementary portion (17) of the rearward opening (13). The sealing arrangement suitably includes surface portions of complementary shapes such that, during application of a compressive load (L) to abutting projectile assemblies (10), discrete propellant charge (15) is sealed within the cavity (14).There is also disclosed and claimed a chain of individual projectiles connected head to tail by complementary spigot and socket members.

L'invention concerne un dispositif de fermeture pour projectiles conçu pour le canon d'une arme, les ensembles projectiles (10) étant disposés axialement en de manière contiguë à l'intérieur du canon (20). Chaque projectile (10) comprend un corps (11) associé à une charge propulsive discrète (15). Ledit dispositif de fermeture comprend un orifice arrière (13) communiquant avec une cavité (14) ménagée dans chaque projectile (10) et destinée à retenir la charge propulsive discrète (15). Ledit dispositif comprend également une partie avant (16) d'un projectile contiguë, conçue pour venir en prise de façon hermétique avec une partie complémentaire (17) de l'orifice arrière (13). Ledit dispositif de fermeture comprend des parties de surface à formes complémentaires, de sorte que, lors de l'application d'une charge compressive (L) aux projectiles contigus (10), la charge propulsive discrète (15) est contenue, de manière hermétique, à l'intérieur de la cavité (14). L'invention concerne également une chaîne de projectiles individuels reliés en tête à queue par des éléments bout uni et emboîtement.

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