Patent ID: 7197981
Filing Date: 2007-04-03
Classification: F42B,F42C

Abstract:
1. A projectile, comprising: a casing; a projectile base which doses off the casing at a rear portion thereof and being in coaxial alignment with the casing; a receiver coil for receiving electromagnetic signals; an energy source or energy storage unit in contact with the receiver coil; and a logic module communicating with the receiver coil; wherein the projectile base has a forwardly extending base area being positioned in the casing and defining a plurality of grooves spaced apart from each other on an exterior surface, the projectile base forming the rearmost portion of the projectile; the casing at least in the area of the rear portion includes a plastic material having an integrated plurality of projections spaced apart from each other and being complementary in shape to the grooves and extending into injection molded contact with the grooves such that generally entire facing surfaces of the projections and the grooves are in direct contact with each other, the plastic material being non-shielding against electromagnetic waves at least in the area of the receiver coil; and a component including the receiver coil, the energy source or energy storage unit and the logic module being arranged in a rear portion of the projectile adjacent to the front end of the projections in an interior of a cylindrical hole of the casing, abutting against a rear shoulder of the hole.