Patent ID: 7069834

Claim:
A method for the manufacture of a projectile useful in the manufacture of gun ammunition comprising the steps of: disposing a cup-shaped, open ended jacket within a first die cavity, said jacket having a closed end, a longitudinal centerline, and an inner wall, forming a metal powder-based core outside said jacket, said core having an outer wall which is substantially geometrically complementary to said inner wall of said jacket, a longitudinal said centerline, and including a multitude of metal powder particulates projecting from said outer wall, inserting said core into said jacket with the core oriented coaxially within the inner wall of said jacket, and with their longitudinal centerlines aligned, applying an axially aligned force against said core to seat said core within said jacket, with concomitant resultant embedment of portions of said projecting metal powder particulates of said core into the thickness of said inner wall of said jacket.