Valve jolt sealant injector

Claim 1

IN A SYSTEM FOR CONTROLLED SUPPLY OF FLUENT SEALANT MATERIAL TO THE SPACE BETWEEN THE RELATIVELY MOVABLE SEATING SURFACES OF A PLUG VALVE AND BODY OF A VALVE ASSEMBLY MOUNTED IN A PIPELINE FOR CONVEYING FLUID UNDER PRESSURE, MEANS DEFINING A RESERVOIR CHAMBER FOR A MASS OF SAID SEALANT, MEANS DEFINING A PASSAGE FOR CONNECTING SAID RESERVOIR CHAMBER TO SAID SPACE, SAID PASSAGE HAVING THEREIN A PRESSURE INTENSIFIER CHAMBER AND CHECK VALVE MEANS PERMITTING FLOW OF SEALANT INTO SAID PRESSURE INTENSIFIER CHAMBER BUT PREVENTING FLOW OF SEALANT FROM SAID PRESSURE INTENSIFIER CHAMBER TO SAID RESERVOIR CHAMBER, MEANS FOR MAINTAINING A PREDETERMINED PRESSURE ON THE SEALANT IN SAID RESERVOIR CHAMBER SUFFICIENT TO OPEN THE CHECK VALVE MEANS AND THEREBY ESTABLISH AND MAINTAIN A LINE PRESSURE RESISTANT FILM OF SAID MATERIAL OF SEALING THICKNESS IN SAID SPACE, AND PERIODICALLY OPERABLE FLUID PRESSURE MEANS FOR GREATLY INCREASING THE PRESSURE OF SAID MATERIAL IN SAID INTERSIFIER CHAMBER TO CORRESPONDINGLY INCREASE THE PRESSURE OF SAID MATERIAL IN SAID SPACE.