Furnace section for kiln

Claim 1

AN IMPROVED FURNACE SECTION FOR A KILN HAVING WARE POSITIONED THEREIN TO BE HEAT-TREATED, SAID FURNACE SECTION COMPRISING (A) SPACED APART VERTICALLY EXTENDNG SIDE WALLS, (B) A ROOF CONNECTING SAID SIDE WALLS, (C) A PLURALITY OF GROUPS OF UPWARDLY DIRECTED FUEL BURNERS ALONG EACH OF SAID WALLS, THE BURNERS IN EACH GROUP BEING SPACED APART BY A SINGLE FIRE BRICK AND ADAPTED TO EMIT OVERLAPPING FLAMES, (D) BAFFLE WALLS SPACED INWARDLY OF SAID FUEL BURNERS AND DEFINING LONGITUDINALLY EXTENDING COMBUSTION CHAMBERS BETWEEN SAID SIDE WALLS AND SAID BAFFLE WALLS AND ADAPTED TO UNIFORMLY CIRCULATE THE HEATED GASES THROUGH THE WARE POSITIONED BETWEEN THE LONGITUDINALLY EXTENDING COMBUSTION CHAMBERS, THE UPPER ENDS OF SAID BAFFLE WALLS TERMINATING BELOW SAID ROOF, AND THE LOWER ENDS OF SAID BAFFLE WALLS TERMINATING ABOVE THE LEVEL OF SAID FUEL BURNERS TO PROVIDE RETURN AIR PASSAGES INTO THE COMBUSTION CHAMBERS, AND, (E) CONNECTOR WALLS EXTENDING BETWEEN THE BAFFLE WALLS AND THEIR RESPECTIVE SIDE WALLS IN PERPENDICULAR RELATION THERETO; SAID CONNECTOR WALLS ALSO EXTENDING BETWEEN CERTAIN OF SAID GROUPS OF FUEL BURNERS AND TRANSVERSELY OF SAID COMBUSTION CHAMBERS TO DEFINE A PLURALITY OF COMBUSTION CHAMBERS ON EACH SIDE OF THE FURNACE SECTION.