Mixing valves for hot and cold water

Claim 1

A MIXING VALVE FOR MIXING HOT AND COLD WATER HAVING A SINGLE VALVE OPERATING HANDLE, A VALVE HOUSING HAVING AXIALLY EXTENDING HOT AND COLD WATER INLET CANALS AND CORRESPONDING HOT AND COLD WATER INLET OPENINGS, SAID OPERATING HANDLE HAVING A SHAFT EXTENDING INT SAID VALVE HOUSING, ROTATABLE SLIDE MEANS AT THE INNER END OF SAID SHAFT FOR REGULATING THE FLOW THROUGH SAID HOT AND COLD WATER INLET CANALS, SAID ROTATABLE SLIDE MEANS HAVING PASSAGEWAYS FOR THE HOT AND COLD WATER, FLOW CANALS IN SAID SHAFT COMMUNICATING WITH SAID PASSAGEWAYS AND EXTENDING SUBSTANTIALLY AXIALLY OF SAID SHAFT, A MIXING CHAMBER IN SAID SHAFT ADJACENT ITS OUTER END, SAID FLOW CANALS HAVING OUTLET OPENINGS MERGING INTO SAID MIXING CHAMBER, A HANDLE KNOB ROTATABLY MOUNTED OM SAID OPERATING HANDLE AND HAVING A THREADED EXTENSION PROJECTING INTO SAID MIXING CHAMBER, A SLEEVE MEMBER THREADEDLY ENGAGING SAID EXTENSION, A VALVE CONE FIXED TO SAID SLEEVE MEMBER AND ADAPTED TO SEAT AGAINST THE OUTLET OPENINGS OF SAID FLOW CANALS, AND A DISCHARGE CANAL IN SID SHAFT LEADING FROM SAID MIXING CHAMBER INTO A COMMUNICATING DISCHARGE CANAL IN SAID VALVE HOUSING.