R

TUMBLING MACHINES AND VIBRATORY FINISHING MACHINES USED IN CLEANING, DEBURRING, DEFLASHING, DESCALING, BURNISHING, SMOOTHING, POLISHING, OR OTHERWISE FINISHING SURFACES OF WORKPIECES; MATERIAL, HANDLING EQUIPMENT FOR TRANSPORTING, STORING, SORTING, LOADING AND UNLOADING FINISHING MEDIA IN CONJUNCTION WITH THE OPERATION OF TUMBLING MACHINES AND VIBRATORY FINISHING MACHINES AND PARTS THEREFOR; SEPARATION AND SCREENING MACHINES FOR SEPARATING WORKPIECES FROM FINISHING MEDIA; WASHING MACHINES FOR WASHING WORKPIECES; DISPENSERS AND FEEDERS FOR SUPPLYING POWDER AND FLUID MEDIA TO WORKPIECE FINISHING EQUIPMENT; DRYING MACHINES FOR DRYING WORKPIECES

APPARATUS FOR HEATING, VENTILATING AND/OR SUPPLEMENTALLY CIRCULATING AIR