ELECTRIC DETONATOR Russian patent published in 2012 - IPC F42C19/12 

FIELD: explosives.

SUBSTANCE: electric detonator includes sleeve 1 with insert 2 installed in it; the above insert contains an explosive charge made in the form of outlet charge 3 of secondary explosive of high density, intermediate charge 4 of deflagration explosive of low density and initiating charge 5 of deflagration explosive of high density, which is interconnected with explosive bridge 7 installed on sealing strip 6 with current terminals 8 and safety charge 10 arranged between outlet end of sleeve 1 and outlet charge 3 of explosive charge from smokeless gunpowder, with height of safety charge along the axis, which is determined by the following formula: n=(1.4…1.8)H, where H - thickness of sleeve housing.

EFFECT: higher safety of electric detonator in emergency situations.

2 cl, 1 dwg, 1 tbl