STARTING BRIQUETTE OF ISOLATING RESPIRATORY SYSTEM Russian patent published in 2002 - IPC

FIELD: procedure of production of oxygen from solid sources for isolating respiratory systems. SUBSTANCE: the starting briquette represents a block molded of a mixture of oxygen-liberating compound. The block is made of two parts. The part interacting with the initiating liquid has a density of 1.05 to 1.35 of the mixture density, and the other part has a density of 0.75 to 0.95 of the density of briquette remolding. EFFECT: enhanced mechanical strength, reliability of starting, enhanced amount of liberated oxygen. 1 dwg, 1 tbl