Patent ID: 7841268

Claim:
A method of creating a blast defence barrage comprising the steps of: (a) providing one or more porous bag or sack containing an absorbent core; said absorbent core comprising an absorbent crystalline material, said absorbent crystalline material comprising a superabsorbent polymer; (b) positioning said one or more porous bag or sack relative to an explosive prior to detonation of the explosive; and, (c) saturating said one or more porous bag or sack wherein said one or more porous bag or sack is placed over said explosive such that during saturation the weight increase of said bag or sack detonates said explosive; said one or more porous bag or sack being arranged such that on detonation of the explosive the one or more bag or sack suppresses at least some blast and fragmentation pieces produced by the detonation of the explosive by absorbing said pieces.