Propellant powder charge for barrel weapon

C - Chemistry – Metallurgy – 06 – B

Patent

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Details

C06B 45/02 (2006.01) C06B 45/00 (2006.01) F42B 5/16 (2006.01)

Patent

CA 2440629

The present invention relates to a method for producing propellant powder charges intended for heavy barrel weapons, such as canons and howitzers, and with a high degree of filling and a high energy content, and also to propellant powder charges produced in accordance with this method. The charges according to the invention are distinguished by the fact that 70 to 95% of their weight consists of a more coarsely grained powder and 30 to 5% consists of a granular powder with a smaller grain size. These two powders have the same of different chemical composition, and one or more of them can be surface- inhibited.

La présente invention se rapporte à un procédé de production de charges de poudre propulsive destinées à des armes lourdes à barillet, du type canons et obusiers, et caractérisées par une densité de chargement élevée et un contenu énergétique élevé. L'invention se rapporte également à des charges de poudres propulsives produites conformément au procédé ci-dessus. Les charges conformes à la présente invention se caractérisent en ce que 70 à 95 % de leur poids est constitué d'une poudre à grains plus grossiers et 30 à 5 % est constitué d'une poudre granuleuse de granulométrie inférieure. Ces deux poudres peuvent avoir une composition chimique identique ou différente et l'une d'elles au moins peut être inhibée en surface.

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