EXPLOSIVE DEVICE Russian patent published in 2019 - IPC F42D1/04 F42B3/10 

FIELD: blasting operations.

SUBSTANCE: invention relates to explosive equipment and can be used for protection of explosive charges from blasting and low-sensitive explosives against unauthorized blasting in various industries, where blasting operations are performed. Explosive device comprises main charge of explosive and matrix of inert material with grid of detonation channels and holes filled with explosive, source of initiation. In certain sections of detonation channels metal foil is installed with possibility of heating, in which there is an explosive section. Foil material, heating modes are selected on condition that melting point explosive below its ignition temperature, and length of heated section explosive in channel – from condition of non-transmission of detonation pulse through melted section of channel. Metal foil with explosive is arranged in insert made of material sorbing molten explosive.

EFFECT: invention allows reducing device weight and dimensions while maintaining the achieved level of its safety.

1 cl, 2 dwg