Raisable fluidizing strip container discharge mechanisms

Claim 1

MECHANISM FOR UNLOADING SMALL PARTICLE MATERIAL FROM A HORIZONTALLY ELONGATED CONTAINER, COMPRISING A FLEXIBLE, GAS-IMPERVIOUS LINING EXTENDING LENGTHWISE OF THE LOWER PORTION OF THE CONTAINER INCLUDING PORTIONS EXTENDING ALONG THE SIDES AND ACROSS THE ENDS OF THE CONTAINER OF AN EXTENT SUFFICIENT TO OVERLIE THE WALL OF THE CONTAINER IN CONTIGUOUS ENGAGEMENT THEREWITH, MEANS SECURING THE UPPER PORTION OF SAID LINING WITH A GAS-TIGHT SEAL IN A HORIZONTAL PLANE COMPLETELY AROUND THE INSIDE OF THE CONTAINER, A DISCHARGE PORT LOCATED IN THE FLOOR OF THE CONTAINER BETWEEN ITS ENDS, TWO ELONGATED, LONGITUDINAL RIGID FLUIDIZING STRIPS EXTENDING RESPECTIVELY FROM OPPOSITE SIDES OF SAID DISCHARGE PORT LENGTHWISE SUBSTANTIALLY TO THE ENDS OF THE CONTAINER, RAISABLE INTO POSITIONS INCLINED DOWNWARDLY TOWARD SAID DISCHARGE PORT AND CONNECTED BOTH TO THE END PORTIONS AND SIDE PORTIONS OF SAID LINING, GAS SUPPLY MEANS CONNECTED TO SAID TWO FLUIDIZING STRIPS FOR DISCHARGE OF GAS THEREFROM TO FLUIDIZE MATERIAL IN THE CONTAINER, AND GAS SUPPLY MEANS CONNECTED TO SUPPLY GAS UNDER PRESSURE BETWEEN SAID FLEXIBLE LINING AND THE CONTAINER WALL TO BILLOW THE LOWER PORTION OF SAID SIDE AND END LINING PORTIONS AWAY FROM THE CONTAINER WALL AND THEREBY RAISE SAID FLUIDIZING STRIPS INTO INCLINED POSITION.