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Cartridge case for a cased telescoped ammunition round

  • US 5,029,530 A
  • Filed: 02/02/1990
  • Issued: 07/09/1991
  • Est. Priority Date: 02/10/1988
  • Status: Expired due to Term
First Claim
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1. A cased telescoped ammunition round comprising:

  • a hollow cylindrical outer casing made of a material which undergoes nonelastic deformation when the round is fired and having a front portion, a rear portion, an axis of symmetry, and a stress concentrating groove;

    a front seal within which front portion of outer casing is positioned;

    a rear seal within which the rear portion of the outer casing is positioned;

    a hollow cylindrical control tube having a front end and a rear end, the rear end of the control tube being secured to the rear seal so that the control tube is substantially symmetrical with respect to the axis;

    a plurality of metal rods interconnecting the front and rear seals, said rods being made of a material which undergoes elastic deformation when the round is fired;

    a projectile having a base;

    a booster piston mounted on the base of the projectile, the projectile being positioned within the outer casing with the piston being positioned within the control tube;

    a main propellant charge positioned around the control tube, around the projectile, within the outer casing, and between the front and rear seals;

    a booster propellant positioned within control tube; and

    primer means mounted in the control tube for igniting the booster propellant charge when initiated.

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