Pneumatic pressure molded impact countermeasure

摘要

An impact countermeasure device (30) used for receiving an impact force (56) has a generally hollow body with an outer wall (52) defining an interior portion (54) and an exterior portion. The wall (52) has at least one blow hole (60) therethrough. The wall (52) has at least one tack off area (70) formed therein. The tack off area (70) and the blow hole (60) control the crush rate of the body in response to the impact force (56).