Small-calibre deformation projectile and method for the...

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

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F42B 12/34 (2006.01)

Patent

CA 2408569

The invention relates to a two-piece small-calibre projectile consisting of tombac. Said projectile comprises a base body (1), into the bore of which a cap core (2) is partially introduced. Depending on the selected fit, the cap core is displaced (2) during the firing of the projectile, or during impact with the target, in such a way that the transition area at the front between the two parts is exposed, deforms outwards forming a mushroom shape and lies internally against the cap core (2), thus fixing the latter. This achieves a targeted deformation, which leads to a high transferral of energy into the target, without any fragmentation or ricochet risk. The projectile can be produced by a deep-drawing process in a cost-effective manner.

L'invention concerne un projectile de petit calibre en deux parties, en laiton rouge, qui comprend un corps de base (1) dans la cavité duquel est inséré en partie un noyau-coiffe (2). Selon l'ajustement retenu, le noyau-coiffe (2) se déplace au moment où le projectile est lancé ou lorsque la cible est atteinte, de manière que la zone de transition côté avant, entre les deux parties, soit dégagée et sorte en champignon pour s'appliquer vers l'intérieur sur le noyau-coiffe (2) et le fixer. Ce qui permet d'obtenir une déformation ciblée qui induit une grande retombée d'énergie, sans risque de fragmentation ou de ricochets. Ce projectile peut être produit de manière très économique.

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