Plastic block forming machine

Claim 1

IN A PLASTIC BLOCK-FORMING MACHINE, MEANS FOR PACKING PLASTIC REFRACTORY INCLUDING A SUBSTANTIALLY VERTICALLY EXTENDING FORMING CHUTE HAVING A MOVABLE BOTTOM ADAPTED TO CLOSE AND A FIXED BASE BELOW SAID MOVABLE BOTTOM, THERE BEING A CUTTING EDGE ON THE MOVABLE BOTTOM AND A CAVITY BETWEEN THE BOTTOM AND THE BASE, SAID CAVITY HAVING AN EXIT ALONG A SIDE OF THE CHUTE, SAID EXIT BEING DIMENSIONED VERTICALLY SUBSTANTIALLY TO EQUAL THE HEIGHT BETWEEN SAID BASE AND MOVABLE BOTTOM AND HORIZONTALLY SUBSTANTIALLY TO EQUAL THE INSIDE WIDTH OF THE FORMING CHUTE BETWEEN SAID BASE AND MOVABLE BOTTOM A PLUNGER FORMING AN END OF SAID CAVITY, VIBRATING MEANS CONNECTED TO THE FORMING CHUTE FOR DENSIFYING PLASTIC REFRACTORY IN THE CHUTE, MEANS FOR MOVING THE MOVABLE BOTTOM AND THE CUTTING EDGE BETWEEN A CLOSED POSITION WITHIN THE CHUTE AND AN OPEN POSITION OUTSIDE THE CHUTE, WHEREBY A COLUMN OF DENSIFIED PLATIC REFRACTORY IS ALLOWED TO DROP TO THE BASE THROUGH THE FORMING CHUTE WHEN THE MOVABLE BOTTOM MOVES TO ITS POSITION OUTSIDE THE CHUTE AND A BLOCK OF PLASTIC REFRACTORY IS CUT FROM THE PLASTIC REFRACTORY COLUMN WHEN THE MOVABLE BOTTOM AND THE CUTTING EDGE MOVE TO WITHIN THE CHUTE, SAW MEANS COMPRISING SAW WIRES AND MEANS FOR OSCILLATING SAID WIRES LONGITUDINALLY OF THE WIRES, SAID WIRES EXTENDING LONGITUDINALLY SUBSTANTIALLY VERTICALLY ACROSS THE CAVITY EXIT ADJACENT TO SAID BASE AT THE EXIT, SAID PLUNGER DISPOSED ADJACENT TO THE SIDE OF THE CHUTE OPPOSITE TO THE LOCATION OF SAID EXIT AND MOVABLE INTO SAID CAVITY TOWARD SAID SAW WIRES, SAID PLUNGER BEING DIMENSIONED VERTICALLY SUBSTANTIALLY TO EQUAL THE HEIGHT BETWEEN THE BASE AND MOVABLE BOTTOM AND HORIZONTALLY SUBSTANTIALLY TO EQUAL THE INSIDE WIDTH OF THE FORMING CHUTE BETWEEN SAID BASE AND MOVABLE BOTTOM, AND MEANS FOR MOVING THE PLUNGER INTO SAID CAVITY FOR PUSHING A CUT PLASTIC REFRACTORY BLOCK ON SAID FIXED BASE THROUGH THE SAW WIRES.