FIELD: mining. SUBSTANCE: charge of impact initiation consists of common stick powder with impact sensitive charge of liquid-oxygen explosive placed on end of common stick powder. Initiating charge of liquid-oxygen explosive with mass of 10-15 g and diameter of 15 mm in case of detonation failure is self-liquidated in one minute due to evaporation of liquid oxygen. EFFECT: higher efficiency. 3 dwg
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Authors
Dates
1995-07-09—Published
1992-03-18—Filed