Ammunition and explosives – Projectiles – Dumdum or mushrooming
Patent
1987-09-17
1988-10-11
Tudor, Harold J.
Ammunition and explosives
Projectiles
Dumdum or mushrooming
102514, F42B 1110
Patent
active
047762799
ABSTRACT:
An improved expanding ballistic projectile is disclosed which has an inner core of dense relatively soft, deformable material, and an outer jacket of malleable material. A central axial recess is provided in the nose portion of the inner core and a central opening is provided in the nose of the outer jacket coincident with the recess in the inner core. A generally cylindrical expansion-initiating insert member, having a generally symmetrically tapered rear portion and a generally symmetrically tapered nose portion and of a hardness greater than the inner core, is disposed in the recess. This cooperates with a plurality of circumferentially spaced longitudinal slits formed in the outer jacket to achieve controlled uniform expansion upon impact.
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Mersereau Charles G.
Tudor Harold J.
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