1,161,823. Convector plates for bell-type furnaces. SKODA, OBOROVY PODNIK. 17 Nov., 1966 [22 Nov., 1965], No. 51482/66. Heading F4B. The charge support or base 4 of a bell-type annealing furnace is provided with hollow closed blades 2 independently connected to feed pipes 7 and outlet or drop pipes 8 for passage of a coolant, the said blades forming a diffuser for the fan 1 circulating a protective atmosphere in the furnace. Each cooling element may be automatically regulated.
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