System for dynamic loading

Claim 1

THE HEREIN DESCRIBED METHOD OF APPLYING REPRODUCIBLE DYNAMIC PRESSURE LOADS TO A SUBJECT; SAID METHOD COMPRISING THE STEPS OF FIRING A SELECTED CHEMICALLY REACTIVE CHARGE AND THEREBY CREATING A BODY OF GAS IN A FIRING CHAMBER AS SELECTIVELY CONTROLLED RELATIVELY HIGH PRESSURE AND TEMPERATURE WITHIN A TIME PERIOD OF PRESSURE RISE SUBSTANTIALLY THAT OF A PREDETERMINED TIME PERIOD OF CONTROLLED PRESSURE RISE ON THE SUBJECT, CONTROLLABLY AND RESTRICTEDLY ADMITTING HOT PRESSURE GAS FROM THE FIRING CHAMBER INTO A PRESSURE-HOLDING-ANDLOAD-APPLYING CHAMBER TO CONTROLLABLY PRODUCE IN THAT CHAMBER A CHARGE OF HEATED GAS AT A CONTROLLED PEAK PRESSURE AFTER SAID PREDETERMINED AND CONTROLLED TIME PERIOD OF PRESSURE RISE, MAINTAINING SAID CHARGE OF HEATED GAS IN THE PRESSUREHOLDING-AND-LOAD-APPLYING CHAMBER SUBSTANTIALLY AT SAID PEAK PRESSURE FOR A CONTROLLED SELECTED TIME PERIOD OF PEAK PRESSURE DWELL, ALLOWING PRESSURE DECAY, IN THE PRESSURE-HOLDING-ANDLOAD-APPLYING-CHAMER, FROM THE CONTROLLED TERMINATION OF THE DWELL AT PEAK PRESSURE, CONTROLLED AT LEAST IN PART BY HEAT LOSS FROM THE BODY OF GAS IN THAT CHAMBER, AND APPLYING THE LOAD OF SAID RISING AND MAINTAINED AND DECAYING GAS PRESSURE OF THE SUBJECT IN SAID LAST MENTIONED CHAMBER.