Rocket motor

Claim 1

A ROCKET MOTOR COMPRISING: A PLURALITY OF CONCENTRICALLY ARRANGED ANNULAR LAYERS OF PROPELLANT MATERIAL, EACH OF SAID LAYERS BEING FORMED OF A PLURALITY OF ELONGATED TRUNCATED WEDGES OF SAID PROPELLANT MATERIAL BONDED TOGETHER AT THEIR ADJOINING SIDES AND TO WEDGES OF ADJOINING LAYERS AT THEIR INNER AND OUTER SURFACES WITH A PROPELLANT MORTAR TO FORM AN ASSEMBLY WITH THE INNER SURFACE OF THE INNERMOST OF SAID LAYERS BEING EXPOSED AND DEFINING ANNULUS FORMING THE COMBUSTION CHAMBER OF SAID MOTOR; MEANS COMPRISING A PAIR OF ANNULAR END PLATES EACH COVERING ONE END OF SAID ASSEMBLY AND A PLURALITY OF LONGITUDINALLY DISPOSED REINFORCING RODS MOUNTED ALONG THE OUTER SURFACE OF AT LEAST ONE OF SAID LAYERS FOR REINFORCING AND APPLYING LONGITUDINAL COMPRESSION TO SAID ASSEMBLY; MEANS COMPRISING A PLURALITY OF CIRCUMFERENTIAL REINFORCING BANDS SURROUNDING THE OUTER CIRCUMFERENCE OF THE OUTERMOST OF SAID LAYERS FOR REINFORCING AND APPLYING RADIAL COMPRESSION TO SAID ASSEMBLY; AN AXIALLY DISPOSED EXHAUST NOZZLE; AND A LAYER OF RESTRICTOR MATERIAL COVERING SAID OUTERMOST LAYER TO FORM THE OUTER SKIN OF SAID MOTOR, THE OUTER DIAMETER OF SAID MOTOR DECREASING UNIFORMLY FROM A FIRST POINT OF MAXIMUM DIAMETER ADJACENT THE FORWARD END OF SAID MOTOR, THROUGH A POINT OF MINIMUM DIAMETER INTERMEDIATE THE ENDS OF SAID MOTOR, AND THEN INCREASING UNIFORMLY FROM SAID POINT OF MINIMUM DIAMETER TO A SECOND POINT OF SAID MAXIMUM DIAMETER ADJACENT TGHE AFTER END OF SAID MOTOR.