High pressure deformable seal

Claim 1

HIGH PRESSURE JOINT, COMPRISING A FIRST HOLLOW CYLINDRICAL MEMBER HAVING AN OPEN END, THE INTERIOR SURFACE OF SAID MEMBER ADJACENT THE OPEN END INCLUDING A PORTION OF A MAJOR DIAMETER EXTENDING LONGITUDINALLY INWARDLY FROM SAID OPEN END, AN OUTWARDLY FLARING TAPERED SHOULDER MERGING WITH THE INNER EXTENT OF SAID MAJOR DIAMETER PORTION, THE INNER EXTENT OF SAID SHOULDER THENCE MERGING WITH A MINOR DIAMETER PORTION; A SECOND MEMBER HAVING A MAJOR EXTERIOR DIAMETER LESS THAN THE MAJOR DIAMETER OF SAID FIRST MEMBER FOR LOOSE RECEPTION WITHIN THE END OF SAID FIRST MEMBER, THE INNER EXTENT OF SAID SECOND MEMBER HAVING A MINOR DIAMETER AND A TRANSVERSE SHOULDER THERE BETWEEN, THE MINOR DIAMETER OF SAID SECOND MEMBER BEING POSITIONED IN OPPOSED RELATIONSHIP TO AT LEAST A SUBSTANTIAL PART OF THE MAJOR DIAMETER OF SAID FIRST MEMBER TO DEFINE AN ANNULAR SPACE BOUNDED BY THE OUTWARDLY FLARING SHOULDER AND THE MAJOR DIAMETER OF SAID FIRST MEMBER, THE TRANSVERSE SHOULDER AND THE MINOR DIAMETER OF SAID SECOND MEMBER; AN OUTER RING OF DEFORMABLE METAL OR THE LIKE CARRIED ABOUT THE MINOR DIAMETER OF SAID SECOND MEMBER ADJACENT SAID TRANSVERSE SHOULDER, SAID OUTER RING BEING OF A SIZE TO BRIDGE THE SAID ANNULAR SPACE BETWEEN SAID MEMBERS, AND AN INNER RING OF PLASTIC MATERIAL CARRIED WITHIN SAID ANNULAR SPACE ADJACENT THE OUTER RING, SAID OUTER RING INCLUDING TWO ANGULARLY EXTENDING LEGS WHICH ARE RESPECTIVELY OF A LENGTH SUFFICIENT TO BE DEFORMED INTO SUBSTANTIAL COEXTENSIVE SEALING ENGAGEMENT WITH THE MAJOR DIAMETER OF SAID FIRST MEMBER AND THE OPPOSED MINOR DIAMETER OF SAID SECOND MEMBER IN RESPONSE TO AN INCREASED PRESSURE WITHIN SAID FIRST MEMBER, SAID INNER RING BEING CARRIED WITHIN SAID OUTER RING BETWEEN SAID OUTER RING LEGS.