Valve system combination

Claim 1

IN A VALVE SYSTEM FOR TREATING AND TRANSFERRING GRANULATED MATERIAL FOM ONE REACTOR VESSEL TO ANOTHER REACTOR VESSEL UNDER SELECTED GASEOUS AND THERMAL CONDITIONS, THE COMBINATION OF CONDUIT MEANS DISPOSED TO PROVIDE FOR FLOW OF MATERIALS THERETHROUGH; GAS PRESSURE MEANS FOR PROPELLING SAID MATERIALS THROUGH SAID CONDUIT; VALVE MEANS DISPOSED IN SPACED RELATIONSHIP WITH EACH OTHER FOR CONTROLLING THE FLOW OF SAID MATERIAL THROUGH SAID CONDUIT, SAID VALVES HAVING SLIDABLE SHUT-OFF MEANS TO CLOSE OR OPEN SAID CONDUIT MEANS; MEANS ADAPTED TO ALTERNATELY OPERATE SAID SLIDABLE MEANS TO OPEN AND CLOSED POSITIONS TO PREVENT VALUABLE REACTANTS FROM ESCAPING THROUGH SAID CONDUIT MEANS; MEANS FOR THE INTERMITTENT STORAGE OF SAID MATERIALS IN THE PROXIMITY OF EACH OF SAID VALVES; VIBRATORS FOR FEEDING MATERIALS DOWNWARDLY THROUGH SAID STORAGE MEANS; A VALVE CHAMBER OF EACH OF SAID VALVES; SAID SLIDABLE MEANS BEING ADAPTED TO OPERATE IN SAID VALVE CHAMBER; MEANS FOR SEALING SAID VALVE CHAMBER AGAINST THE OUTSIDE ATMOSPHERE WHEREBY THE PRESSURE CONDITIONS OF THE INTERNAL ATMOSPHERE OF SAID SYSTEM MAY BE EFFECTIVELY CONTROLLED, SAID MEANS FOR SEALING SAID VALVE CHAMBER COMPRISING A PLURALITY STRENGTH AND HARDNESS, AND VARYING DEGREES OF PHYSICAL STRENGTH AND HARDNESS, AND MEANS FOR APPLYING PRESSURE TO SAID PLURALITY OF RINGS.