Ammunition and explosives – Projectiles – Dumdum or mushrooming
Patent
1994-02-14
1994-11-22
Tudor, Harold J.
Ammunition and explosives
Projectiles
Dumdum or mushrooming
102511, 102514, F42B 1234, F42B 1404
Patent
active
053658531
ABSTRACT:
Disclosed is a projectile that has high velocity at short range. The projectile has a body of material that is lighter, more lubricous and more deformable than a partial Jacket on the rearward portion of the projectile. The jacket defines an annular array of apertures on the outer diametrical surface of the jacket and the body has peripheral zones that extend into the apertures far enough to be flush with the outer diametrical surface. The peripheral zones not only provide a physical lock between the body and jacket but also lubricate the interface between the projectile and the gun barrel along which the projectile travels during firing of a gun. The apertures are configured to allow the body to erupt radially outward through the jacket's side wall and form a relatively wide, shallow dispersal pattern when the projectile impacts a target. An optional core within the plastic body enhances the body's radially outward dispersal upon the projectile's impact with a target.
REFERENCES:
patent: 376302 (1888-01-01), Gregg
patent: 1112413 (1914-09-01), Hoagland
patent: 4108074 (1978-08-01), Billing, Jr. et al.
patent: 4800816 (1989-01-01), Meyer
patent: 5185495 (1993-02-01), Petrovich et al.
Petrovich Paul A.
Petrovich Robert M.
Kuhn David L.
Taucher Peter A.
Tudor Harold J.
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