Powder-based disc having solid outer skin for use in a multi-component ammunition projectile
AssigneeDoris Nebel Beal Intervivos Patent Trust
InventorHarold F. Beal
Life of this patent
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Abstract
A projectile for gun ammunition of 50 caliber or less, the projectile including an outer jacket having a longitudinal centerline and which houses one or more cores made up of a powder or mixture of powders comprising a frangible disc including a central region thereof formed of a compressed unbonded quantity of particles of at least one metal powder and an outer peripheral skin defined by melded ones of said at least one metal powder particles. Manufacture of the disc, a projectile including the disc and a round of gun ammunition including the disc-containing projectile are disclosed.
Claims19
In a projectile for gun ammunition of 50 caliber or less, the projectile including an outer jacket having a longitudinal centerline and which houses one or more cores made up of a powder or mixture of powders, the improvement comprising
- a frangible disc including a central region thereof formed of a compressed unbonded quantity of particles of at least one metal powder and an outer peripheral skin defined by melded ones of said at least one metal powder particles.
A method for the manufacture of a frangible disc useful in the manufacture of gun ammunition of 50 caliber or less, the projectile including an outer jacket having a longitudinal centerline and which houses one or more cores made up of a powder or mixture of powders, comprising the steps of
- pressing a quantity of particles of at least one metal powder in a die cavity at a temperature and pressure sufficient to define a self-supporting disc containing said metal powder particles,
- removing said disc from said die cavity,
- heating said disc to a temperature and for a time sufficient to meld ones of said powder particles adjacent the outer periphery of said disc into an outer peripheral skin on said disc,
- quenching said heated disc to about room temperature
A round of gun ammunition comprising a projectile having leading end and including a frangible disc including a central region thereof formed of a compressed unbonded quantity of particles of at least one metal powder and an outer peripheral skin defined by melded ones of said at least one metal powder particles, said disc being disposed within said leading end of said projectile.
Dependencies are inferred from the claim text.