|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 14 인용 특허 : 0|
A sintered projectile having the same ballistic characteristics as a conventional combat projectile is provided with controlled strength properties and predetermined breakage lines. As a result, small, high drag fragments are produced on impact which minimizes ricochet hazards and provides a safer practice round.
A frangible projectile including: a brittle, sintered metal casing; a cavity formed in said casing; and an axially extendig sharp edged stress riser formed in said casing and forming at least a portion of the walls of said cavity whereby, upon impact, said casing will fracture along said stress riser.