Material compressing machine

Claim 1

IN A MACHINE OF THE CLASS DESCRIBED, THE COMBINATION INCLUDING: A SUPPORT; A PAIR OF COOPERATIVE PRESS WHEELS JOURNALED ON THE SUPPORT RESPECTIVELY ON PARALLEL AXES, EACH WHEEL HAVING A RIM AND SAID WHEELS BEING ARRANGED WITH THEIR RIMS EXTERNALLY SUBSTANTIALLY TANGENT TO EACH OTHER TO PROVIDE A MATERIAL-RECEIVING BITE, THE RIM OF ONE WHEEL COMPRISING AN ANNULUS HAVING A PLURALITY OF UNIFORMLY CIRCUMFERENTIALLY SPACED RADIAL DIE OPENINGS THEREIN ADAPTED TO SUCCESSIVELY REGISTER WITH THE BITE AS THE WHEELS ROTATE, AND THE RIM OF THE OTHER WHEEL COMPRISING DIE MEANS FOR EXTRUDING BITE-RECEIVED MATERIAL RADIALLY THROUGH THE DIE OPENINGS; BACKING MEANS GENERALLY COPLANAR WITH THE RADIAL FACES OF THE WHEELS AND RADIALLY EXTERNAL OF BOTH RIMS AT ONE SIDE OF THE BITE AND CLOSING THE BITE FROM SAID ONE SIDE, LEAVING THE BITE OPEN TO THE OPPOSITE SIDE; MEANS FOR ROTATING THE WHEELS; AND FEED MEANS FOR FEEDING MATERIAL TO THE OPEN SIDE OF THE BITE FOR COMPRESSION BETWEEN THE RIMS OF THE WHEELS AND FOR EXTRUSION THROUGH THE DIE OPENINGS AS THE WHEELS ROTATE, SAID FEED MEANS INCLUDING A MOVABLE ELEMENT OPERATIVE TO FORCIBLY PRECOMPRESS THE MATERIAL AGAINST THE BACKING MEANS IN A DIRECTION GENERALLY AXIALLY OF THE WHEELS.