DETONATING CHARGE Russian patent published in 1997 - IPC

FIELD: intermediate charge detonators intended for initiation of deep-hole and other low-sensitive and commercial explosives at open mining operations, in deep holes of any water content, with running water inclusive, and of those used as explosives in military purposes. SUBSTANCE: the charge uses a cylindrical case which accommodated a water-proof explosive charge with two longitudinal ducts with straight walls arranged in parallel with each other, one through duct in the charge axis is intended for the blasting fuze, and the other is blind and intended for the detonator; both ducts terminate in conical expansions at an angle of 15 deg. and are interconnected by a connecting bore. EFFECT: enhanced reliability. 2 dwg