DETONATING DEVICE WITHOUT PRIMARY EXPLOSIVE Russian patent published in 2001 - IPC

FIELD: devices for initiation of blast transformation with any delay, in particular, detonators, applicable for creation of surface blast networks in industrial blasting operations. SUBSTANCE: the detonating device without primary explosive has an initiation device, body with an air chamber accommodating the main charge and a cap with the end surface on the side of the initiation device, which has at least two through holes. The cap is partially filled with ignition compound, the cap end surface is made in the form of a cone with the vertex facing the ignition compound, and placed in the cap is an additional shell partially filled with initiating and intermediate charges. EFFECT: enhanced stability and rate of transformation of primary pulse to a detonating one, and reduced fragmentation of the device shell at it actuation. 8 cl, 1 dwg