FIELD: mining.
SUBSTANCE: device includes tight housing from polymer cover, which is filled with combustible filler, and initiation device arranged inside the housing. Mixture of mineral oxidiser, solid organic fuel and gas-forming additive in stoichiometric ratio is used as combustible filler. Thin-wall perforated tube with diameter of 5 mm from combustible and non-combustible material, hollow or fully or partially filled with ignition compound, inside which or on the surface of which the initiation device is located, is arranged along the housing axis.
EFFECT: higher efficiency and safety of works, lower costs, and higher reliability of the device actuation.
9 cl, 1 dwg
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