Materials mixing and blending machine

Claim 1

A BATCH-TYPE MATERIALS MIXING MACHINE COMPRISING, A TRUNNION-MOUNTED CONTAINER OF V-SHAPED FORM TERMINATING AT ITS APEX END IN A LOADING-UNLOADING PORTAL, A VALVE FOR CONTROLLING FLOW OF MATERIAL THROUGH SAID PORTAL, SEPARATELY OPERATIVE PRIMARY AND SECONDARY DRIVE MEANS FOR CAUSING SAID CONTAINER TO ROTATE AT RELATIVELY HIGH SPEED AND AT RELATIVELY LOW SPEED RESPECTIVELY WHERE BY SAID CONTAINER IS ROTATABLE TO MIX MATERIALS THEREIN, SAID DRIVE MEANS INCLUDING START-STOP CONTROL MEANS THEREFOR WHEREBY SAID CONTAINER MAY BE STOPPED TO DISPOSE SAID PORTAL ALTERNATIVELY IN UP-POINTED POSITION TO RECEIVE GRAVITY FED MATERIAL FROM A FEED SPOUT AND IN DOWN-POINTED POSITION TO DISCHARGE MIXED MATERIALS THEREFROM INTO A GRAVITY RECEIVER, A MATERIALS AGITATING DEVICE COMPRISING A PADDLE SHAFT ROTATABLY MOUNTED TO EXTEND INTO SAID CONTAINER,