Vertical chamber positive pressure machine for forming continuous strips of fibrous materials

Claim 1

A MACHINE FOR FORMING A CONTINUOUS STRIP OF MATERIAL FROM A WET MIX OF SOLIDS SUSPENDED IN LIQUID COMPRISING AN APPROXIMATELY HORIZONTAL ELONGATE FORAMINOUS WALL, A PLURALITY OF TANKS SPACED LONGITUDINALLY OF SAID FORAMINOUS WALL AND EACH HAVING AN OPENING IN ITS LOWER END ACROSS WHICH SAID FORAMINOUS WALL IS LONGITUDINALLY MOVABLE WITH ITS UPPER SIDE FACING INTO SAID TANKS THROUGH SAID OPENINGS AND WITH ITS OTHER SIDE EXPOSED TO ATMOSPHERE, MEANS FOR SUPPLYING A WET MIX TO CERTAIN OF SAID TANKS TO CAUSE PASSAGE OF LIQUID THROUGH SAID WALL AND CONSEQUENT DEPOSIT OF A LAYER OF SOLIDS ON THE UPPER SIDE OF SAID WALL, MEANS FOR SUPPLYING GAS UNDER PRESSURE TO AT LEAST ONE OF THE OTHER TANKS, MEANS SEALING ALL OF SAID TANKS AGAINST THE ATMOSPHERE EXCEPT THROUGH SAID FORAMINOUS WALL, AND MEANS FOR MOVING SAID FORMANINOUS WALL LONGITUDINALLY BENEATH SAID TANKS IN SUCCESSION.