SIMPLICITY

DE-WATERING WHEELS FOR REMOVING WATER FROM SAND, GRAVEL, AND OTHER FRIABLE MATERIALS; GYRATING SAND AND AERATING SCREENS FOR SCREENING MATERIALS OF A FRAGMENTARY CLASSIFICATION AND FOR SCREENING AND COOLING SAND FOR FOUNDRY USE (PORTABLE AND SEMI- PORTABLE); COAL, ORE, AND CHIP SCREENS, SHAKE-OUT SCREENS FOR CLEANING FLASKS AND CASTINGS, KNOCK-OUT SCREENS FOR KNOCKING OUT CORES, SAND, WIRES, AND PIPES FROM CASTINGS, AND CONVEYORS