CHARGE FOR CONSTRUCTION-ERECTION CARTRIDGE Russian patent published in 1997 - IPC

FIELD: development of charges for construction-erection equipment. SUBSTANCE: charge is made of spherically grained propellant based on pyroxylin with a porosity of 26 to 30 per cent, residual moisture content of 0.2 to 0.6 per cent, graphitized with a surface of 0.1 to 0.2 per cent by fine-dispersed graphite at the following mass relation of fractions in per cent: 0.2 to 0.4 - at least 05, less than 0.2 mm and more than 0.4 mm - 35, max. EFFECT: enhanced efficiency. 1 tbl, 1 dwg