Casing for insensitive munitions and process for making same

摘要

Insensitive munitions (IM) casing (10) for housing a propellant charge, said casing comprising a reinforcing fiber, tape or sheet of composite material (12) wound, wrapped or rolled respectively, to form a case (10) having a number of layers, said reinforcing fiber, tape or sheet composite material (12) being coated with adhesive bonding material for bonding the reinforcing fiber, tape or sheet (12) to itself for constructing and maintaining the configuration of the composite case (10), said adhesive having a bond-strength breakdown temperature which is below the auto-ignition temperature of the housed propellant, characterized in that at least some of the wound, wrapped or rolled composite layers (12) are discontinuous, thereby enabling the discontinuous sections to lose their strength and separate once the bond strength breakdown temperature of the adhesive is reached causing the case (10) to fail at the discontinuous interface (14), thereby releasing internal pressure in the case and preventing dangerous propellant pressurization within the case.