Ammunition and explosives – Projectiles – Dumdum or mushrooming
Patent
1993-11-19
1995-01-31
Tudor, Harold J.
Ammunition and explosives
Projectiles
Dumdum or mushrooming
F42B 1234
Patent
active
053851005
ABSTRACT:
A full metal jacket hollow point bullet is disclosed which has a portion of the jacket extending within the hollow open front end of the bullet. The portion of the jacket in the hollow front end has a plurality of radial slits and reinforced pointed prongs therebetween. A rearwardly extending completely empty blind bore extends from the tips of the prongs axially rearwardly into the bullet core. The base of each of the prongs is reinforced at the mouth of the front end by a fillet on each side between the ogive portion of the jacket and the base of the prong in the hollow front end. These prongs project generally radially outward upon upset of the bullet in soft tissue after passing through barrier materials such as clothing and deer hide.
The jacket has a coating of copper oxide on its inner and outer surfaces which bonds the soft lead core to the jacket and minimizes lead wash.
REFERENCES:
patent: 2327950 (1943-08-01), Whipple
patent: 3120188 (1964-02-01), Kreuzer
patent: 3157137 (1963-04-01), Burns, Jr.
patent: 3349711 (1967-10-01), Darigo et al.
patent: 4044685 (1977-08-01), Avcin
patent: 4550662 (1985-11-01), Burczynski
patent: 4610061 (1985-06-01), Halverson
patent: 5101732 (1992-04-01), Schluckebier
patent: 5208424 (1993-05-01), Schluckebier et al.
Corzine Alan J.
Dippold Jack D.
Schluckebier David K.
Olin Corporation
Rosenblatt Gregory S.
Tudor Harold J.
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