FIELD: blasting, used as initiator of electric blasting action. SUBSTANCE: electric blasting cap, having an electric primer, secondary low-density explosive charge placed in a sleeve and a secondary high-density explosive charge, uses additional sleeves with a low-density explosive made in the form of a nozzle and directed one after another towards the high-density explosive. EFFECT: enhanced reliability. 1 dwg
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Authors
Dates
1995-10-20—Published
1991-12-18—Filed