Well head connector

Claim 1

THEC COMBINATION OF AN IMPROVED WELL HEAD CONNECTOR ASSEMBLY AND A WELL FITTING, COMPRISING: AN UPWARDLY PROJECTING HOLLOW WELL FITTING HAVING AN AXIS AND AN INTERNAL WALL SURFACE PARALLEL TO SAID AXIS, AN UPPER ANNULAR NOSE ON SAID FITTING, SAID NOSE BEING DEFINED BY TWO RELATIVELY ANGULATED ANNULAR SURFACES MEETING AT AN APEX, THE FIRST OF SAID ANGULATED SURFACES BEING DOWNWARDLY AND INWARDLY DIRECTED FORMING A CONTINUATION OF AND INTERSECTING SAID INNER WALL SURFACE AT A RELATIVELY STEEP OBTUSE ANGLE, THE SECOND ANGULATED SURFACE BEING UPWARDLY AND INWARDLY DIRECTED AND INTERSECTING AN IMAGINARY UPWARD EXTENSION OF SAID INNER WALL SURFACE AT A RELATIVELY SMALL ACUTE ANGLE AND FORMING A STOP SHOULDER, SAID APEX BEING RADIALLY OUTWARD OF SAID INNER WALL SURFACE AND ABOVE THE INTERSECTION OF SAID FIRST ANGULATED SURFACE WITH SAID INNER WALL SURFACE, A WELL HEAD CONNECTOR ASSEMBLY HAVING A BODY RECEIVABLE DOWNWARDLY IN AXIAL TELESCOPIC REALATION WITH SAID FITTING, SAID BODY INCLUDING A METALLIC RING ATTACHED TO SAID BODY IN A CANTILEVER FASHION TO PROJECT DOWNWARDLY THEREFROM, SAID RING HAVING A RADIALLY OUTER ANNULAR SEALING SURFACE TAPERING DOWNWARDLY COMPLEMENTARY TO SAID FIRST ANGULATED SURFACE FOR FORCIBLE ENGAGEMENT THEREWITH ALONG A FIRST FRUSTO-CONICAL INTERENGAGEMENT LOCUS, AN ANNULAR CHANNEL FORMED IN SAID BODY RADIALLY OUTWARDLY FROM AND ADJACENT TO THE LOCUS OF ATTACHMENT OF SAID METALLIC RING, AND A RELATIVELY RIGID ELASTOMERIC SEAL RECEIVED IN SAID ANNULAR CHANNEL AND EXPOSED DOWNWARDLY FOR UPWARD COMPRESSION OF THE SEAL BY SAID NOSE, AN ANNULAR STOP SHOULDER FORMED IN SAID BODY RADIALLY OUTWARDLY FROM AND ADJACENT TO SAID ANNULAR CHANNEL, SAID STOP SHOULDER OF THE BODY BEING TAPERED DOWNWARDLY AND OUTWARDLY COMPLEMENTARY TO SAID SECOND ANGULATED SURFACE TO RECEIVE AND ENGAGE THE RELATIVELY ACUTE TAPER OF SAID FITTING STOP SHOULDER, THE MASS OF SAID NOSE PORTION BETWEEN SAID ANGULATED SURFACES BEING CONSIDERABLY GREATER THAN THAT OF SAID RING, SO AS SAID FITTINGS IS RECEIVED INTO SAID BODY ALONG A SECOND FRUSTO-CONICAL INTERENGAGEMENT LOCUS SAID STOP SHOULDER LIMITS AXIAL PENETRATION OF SAID NOSE INTO THE SEAL AND THE RELATIVELY LARGE MASS THEREOF LIMITS RADIAL FORCES SUPPLIED INWARDLY TO SAID METALLIC RING BY SAID SEALING SURFACE OF SAID FITTING, AND LOCK MEAN CARRIED BY SAID BODY AND OPERABLE FOR LATERAL MOVEMENT INTO A POSITION INTERLOCKING THE BODY AND FITTING BY ENGAGING THE FITTING AND EXERTING A FORCE WHICH URGES SAID BODY DOWNWARDLY.