Means for sealing space between moving pallets and windboxes of sintering machines

Claim 1

A SEALING MEANS FOR A SINTERNG MACHINE HAVING A FRAME, A HORIZONTAL TRACK ON SAID FRAME, PALLETS ADAPTED TO BE MOVED ALONG SAID TRACK IN CONTACTING SUCCESSION, WHEELS FOR SUPPORTING THE PALLETS ON SAID TRACK, AND A WINDBOX SECURED TO SAID FRAME, THE UPPER SIDE EDGES OF SAID WINDBOX BEING SPACED BELOW ADJACENT PORTIONS OF THE PALLET BOTTOMS WHEREBY THE WEIGHT OF THE PALLETS RESTS ON SAID WHEELS, SAID SEALING MEANS COMPRISING A SEALING STRIP FOR SEALING THE SPACE BETWEEN THE ADJACENT PORTIONS OF THE PALLET BOTTOMS AND UPPER SIDE EDGES OF THE WINDBOX, SAID SEALING STRIP BEING FORMED BY TETRAFLUOROETHYLENE RESIN, SAID RESIN BEING CHARACTERIZED BY HIGH ABRASION AND HEAT RESISTANCE AND BY A LOW COEFFICIENT OF FRICTION AND HOMOGENEITY, CLAMPING PLATES FOR HOLDING SAID STRIP IN A SUBSTANTIALLY VERTICAL PLANE SO THAT IT EXTENDS ABOVE AND ALONG THE UPPER SIDE EDGE OF SAID WINDBOX, SAID STRIP AND CLAMPING PLATES EXTENDING IN A DIRECTION PARALLEL TO SAID TRACK, A CAM PLATE SECURED TO ONE OF SAID CLAMPING PLATES, A CAM LEVER OPERATIVELY MOUNTED ON SAID FRAME, SAID CAM LEVER BEING ADAPTED TO BE TURNED INTO CONTACT WITH SAID CAM PLATE TO RELEASABLY CLAMP THE CLAMPING PLATES AND STRIP TO SAID FRAME, AND SEAL CONTACTING SURFACES ON PORTIONS OF THE PALLET BOTTOMS FOR CONTACTING THE STRIP IN AN AIR-TIGHT MANNER WHEN THE PALLETS ARE MOVED OVER THE WINDBOX.