Patent ID: 6591730
Filing Date: 2003-07-15
Classification: B22F,F41B,F42B

Abstract:
A method of manufacturing a gun ammunition multi-component projectile including at least one powder-based core disposed within a jacket of generally cup-shape having a closed end and an open end and a longitudinal centerline comprising the steps ofproviding a spherical member of either a solid metal or a self-supporting pressed compact of at least one metal powder, disposing said spherical member within the jacket and between the core and the open end of the jacket, with the jacket/core/spherical member combination disposed within a first die cavity, applying sufficient pressure to said spherical member in a direction axially along the longitudinal centerline of the jacket to deform said spherical member into a generally flat disc which extends radially across the cross-sectional area of the jacket adjacent the core, disposing said pressed jacket/core/disc combination in a second die cavity suitable for at least partial closing of the open end of the jacket and formation of an ogive on said at least partially closed end of the jacket, including deformation of said disc into a generally hollow hemispherical geometry and disposed in sealing relationship to the at least partially closed end of the jacket, at least a portion f said at least one powder-based core substantially filling said generally hollow hemispherical deformed disc.