Releasable sabot for a fin-stabilized subcaliber projectile

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

Patent

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Details

F42B 14/06 (2006.01)

Patent

CA 2121100

In subcaliber projectiles at discharge, a sabot is located between the inner wall surface of the cannon and the fin-stabilized projectile, wherein the sabot, which in a known manner serves to increase the acceleration area, is comprised of a sabot body and a sabot jacket, wherein, in order that upon exit of the projectile from the weapon barrel, the sabot can readily detach itself from the subcaliber projectile, the sabot is segmented, with the contact areas between segments on one side and between the subcaliber projectile and segments on the other side leading to sealing problems, which are overcome , in accordance with this invention, via a special segmentation of the sabot body, with longitudinal slots which include at least, in part, a T-shaped cross section, and reference fracture locations in the region of its inner diameter as well as a gas-tight seal with a partially truncated cone-shape forwardly-widening seal bonnet having a closing seal.

Dans les projectiles sous-calibrés à la décharge, un sabot se trouve entre la surface de la paroi intérieure du canon et le projectile empenné. Ledit sabot, moyen connu pour augmenter la surface d'accélération, est constitué d'un corps et d'une gaine et, pour qu'à sa sortie du tube de l'arme il puisse se détacher facilement du projectile sous-calibré, il est segmenté, avec les zones de contact entre les segments d'une part et entre le projectile sous-calibré et les segments d'autre part menant à des problèmes d'étanchéité, lesquels sont réglés suivant la présente invention grâce à une segmentation spéciale du corps du sabot qui comporte des fentes longitudinales comprenant, au moins en partie, une section en T, et des points de fracture de référence dans la zone de diamètre intérieur de même qu'une étanchéité aux gaz avec une coiffe de scellement en forme de cône partiellement tronqué s'élargissant vers l'avant et comportant une fermeture étanche.

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