Pre-filled propellant tank for rockets

Claim 1

APPARATUS FOR STORING TWO LIQUIDS OUT OF CONTACT WITH EACH OTHER FOR SUPPLYING SAID LIQUIDS THROUGH INDIVIDUAL PORTS, SAID APPARATUS COMPRISING A CONTAINER HAVING AN OUTER WALL WITH OPPOSED END WALL PORTIONS INTERCONNECTED BY A GENERALLY CYLINDRICAL SIDE WALL PORTION; AN INNER TUBULAR FLEXIBLE WALL DIVIDING THE INTERIOR OF SAID CONTAINER INTO AN OUTER CHAMBER AND IN INNER CHAMBER FOR SEPARATE STORAGE OF LIQUIDS THEREIN, SAID TUBULAR FLEXIBLE WALL BEING SECURED AT ITS ENDS WITH SAID OUTER WALL END PORTIONS AND SAID TUBULAR FLEXIBLE WALL HAVING A PLURALITY OF CIRCUMFERENTIALLY-SPACED LONGITUDINALLY-EXTENDING FOLDS FOR UNFOLDING OUTWARDLY TOWARD THE OUTER WALL CYLINDRICAL PORTIONS TO DECREASE THE VOLUME OF SAID OUTER CHAMBER; SAID CONTAINER ALSO HAVING A PAIR OF OUTLET PASSAGES, ONE FOR EACH OF SAID CHAMBERS; LIQUID STORED IN EACH OF SAID CHAMBERS; AND MEANS FOR SUPPLYING A GAS UNDER PRESSURE AGAINST THE LIQUID WITHIN SAID INNER CHAMBER FOR FORCING LIQUID THEREIN OUT OF SAID OUTER CHAMBER THROUGH ITS OUTLET PASSAGE AND FOR UNFOLDING SAID TUBULAR FLEXIBLE WALL OUTWARDLY TOWARD THE OUTER WALL CYLINDRICAL PORTION TO DECREASE THE VOLUME OF SAID OUTER CHAMBER FOR FORCING LIQUID THEREIN OUT OF SAID OUTER CHAMBER THROUGH ITS OUTLET PASSAGE, SAID GAS SUPPLYING MEANS BEING DISPOSED ADJACENT TO THE ONE OF THE END WALL PORTIONS OF THE CONTAINER OUTER WALL AND SAID OUTLET PASSAGES BEING DISPOSED ADJACENT TO THE OTHER END WALL PORTION OF THE CONTAINER OUTER WALL, SAID FOLDS IN THE FLEXIBLE TUBULAR WALL EXTENDING FROM THE END WALL PORTION OF THE CONTAINER ADJACENT TO THE OUTLET PASSAGES TO A POINT SHORT OF THE OTHER END WALL PORTION OF THE CONTAINER WITH THE REMAINING PORTION OF THE FLEXIBLE TUBULAR WALL ADJACENT TO SAID OTHER END WALL BEING SUBSTANTIALLY CYLINDRICAL AND HAVING A DIAMETER SUBSTANTIALLY EQUAL TO THE DIAMETER OF THE ADJACENT SIDE WALL OF THE CONTAINER AND WITH THE LONGITUDINAL LENGTH AND CIRCUMFERENTIAL PERIMETER OF THE FLEXIBLE TUBUALR WALL BEING SUBSTANTIALLY THE SAME AS THE CORRESPONDING DIMENSIONS OF THE CONTAINER CYLINDRICAL WALL TOWARD WHICH THE FLEXIBLE WALL EXPANDS UNDER THE GAS PRESSURE.