FIELD: explosive devices designed to initiate industrial explosives. SUBSTANCE: blasting cap for blasting operations has sleeve housing main and initiation charges, cup with hole punched in bottom covering initiation charge on side of sleeve mouth and spacing bushing interference fit in sleeve over cup on side of sleeve mouth. Conduit of spacing bushing or part of it can be executed in the form of truncated cone with larger base of cone facing sleeve mouth.. EFFECT: raised safety while handling blasting cap in process of its use. 1 cl, 1 dwg
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Authors
Dates
2003-11-10—Published
2000-04-17—Filed