Pipe coupling having a static seal

Claim 1

A FITTING STATIC SEAL COMBINATION COMPRISING A BODY HAVING A DOWNWARDLY EXTENDING THREADED BORE WITH AN OPENING OF PREDETERMINED DIAMETER IN ITS UPPER SIDE, AN UPWARDLY AND OUTWARDLY EXTENDING CONICAL CAMMING SURFACE FORMED AROUND SAID BORE OPENING IN SAID UPPER SIDE, SAID BORE HAVING A COUNTERBORE OF LARGER DIAMETER THAN SAID BORE DIAMETER ADJOINING SAID CAMMING SURFACE, A FITTING MEMBER INSERTED IN SAID BORE, SAID FITTING MEMBER COMPRISING A NECK PORTION FORMING A SMOOTH CYLINDRICAL SURFACE THEREON, A SEALING RING ENCIRCLING SAID FITTING MEMBER ABOVE SAID BODY, SAID SEALING RING HAVING AN OUTER CIRCUMFERENTIAL SURFACE AND AN INNER CYLNDRICAL SURFACE, AN UPPER OUTWARDLY AND UPWARDLY EXTENDING CONICAL SURFACE JOINING SAID LAST-MENTIONED SURFACES AT THEIR RESPECTIVE UPPER EDGES, A DOWNWARDLY FACING OUTER CONICAL SURFACE FORMING THE LOWER PORTION OF SAID OUTER CIRCUMFERENTIAL SURFACE AND FORMING AN ANGLE TO THE AXIS OF THE BORE WHICH IS SUBSTANTIALLY LESS THAN SAID CAMMING SURFACE, AN INTERNAL CONICAL SURFACE ADJOINING THE BOTTOM EDGE OF SAID INTERNAL CIRCUMFERENTIAL SURFACE, SAID SEALING RING HAVING A PERIPHERALLY CONTINUOUS CIRCUMFERENTIAL SEALING SURFACE ADJOINING SAID INTERNAL CONICAL SURFACE, SAID SEALING SURFACE CONSTRUCED AND ARRANGED TO ENCIRCLE THE NECK PORTION OF SAID FITTING MEMBER, MEANS INTEGRAL WITH SAID FITTING POSITIONED UPWARDLY AND ADJACENT TO SAID OUTER CONICAL SURFACE AND INTIALLY CONSTRUCTED AND ARRANGED TO ONLY CONTACT THE UPPER EDGE FORMED BY THE UPPER CONICAL SURFACE AND THE OUTER CIRCUMFERENTIAL SURFACE OF SAID SEALING RING FOR FORCING SAID OUTER CONICAL SURFACE AGAINST SAID CAMMING SURFACE AND SAID MEANS INTO CONTACT WITH THE UPPER EDGE FORMED BY THE UPPER CONICAL SURFACE AND THE INNER CYLINDRICAL SURFACE OF SAID SEALING RING WHEREBY SAID SEALING SURFACE IS ADAPTED TO BE ROTATED AND MOVED UPWARDLY AND INWARDLY INTO SEALING RELATION WITH THE NECK PORTION OF SAID FITTING MEMBER.