Pipe joint

Claim 1

A PIPE JOINT OR THE LIKE, INCLUDING A FIRST BODY MEMBER HAVING A THROUGH LONGITUDINAL OPENING, A PIPE END RECEIVED IN ONE END OF SAID OPENING AND HAVING A FLARED TERMINAL, A SECOND BODY MEMBER RECEIVED IN THE OTHER END OF SAID OPENING AND HAVING A THREADED CONNECTION WITH THE FIRST SAID BODY MEMBER, SAID SECOND BODY MEMBER HAVING A CONICAL TERMINAL BROUGHT TO MATING CONTACT WITH THE FLARED TERMINAL ON SAID PIPE END BY ADVANCE OF SAID SECOND MEMBER INTO SAID FIRST BODY MEMBER, MEANS DEFINING SPACED APART SHOULDERS ON SAID FIRST AND SECOND BODY MEMBERS, A RESILIENT RING SEAL MOUNTED TO SEAT AGAINST THE SHOULDER ON THE FIRST SAID MEMBER IN COMMON SEALING CONTACT WITH SAID PIPE END AND SAID FIRST BODY, MEANS INTERPOSED BETWEEN THE SHOULDER ON SAID SECOND BODY MEMBER AND SAID RING SEAL TO OBTAIN A LONGITUDINAL COMPRESSION OF SAID RING SEAL IN RESPONSE TO ADVANCE OF SAID SECOND BODY MEMBER INTO SAID FIRST MEMBER, SAID INTERPOSED MEANS HAVING A PORTION BEARING ON THE JOINT BETWEEN THE FLARED TERMINAL OF SAID PIPE AND THE CONICAL END OF SAID SECOND BODY MEMBER WHEREBY TO PROVIDE IN SAID RESILIENT RING SEAL MEANS TO COMPENSATE FOR RELAXATION IN THE STRUCTURAL MEMBERS OF THE JOINT, AND A FURTHER RESILIENT RING SEAL INTERPOSED BETWEEN SAID INTERPOSED MEANS AND THE SHOULDER ON SAID SECOND BODY MEMBER.