Patent ID: 7204525

Claim:
A flowline connection assembly, comprising: first and second tubular members, each having a bore and an end surrounded by a flange that extends outward relative to a longitudinal axis; an annular recess formed in the bore at the end of each of the tubular members, each of the recesses having a conical first portion extending from the end of each of the tubular members at a taper angle and a second portion joining the first portion at an obtuse angle; a rigid ring having a pair of legs extending in opposite axial directions, each of the legs having a conical outer surface that engages one of the first portions of the recesses; a pair of elastomeric seals, each of the seals being mounted to an end of each of the legs and sealingly engaging the second portion of one of the recesses; the engagement of the elastomeric seals with the second portions of the recesses providing a higher pressure rating that any seal formed between the conical outer surface of the rigid ring and the first portions of the recesses; and a clamp that has cam surfaces that engage the flanges and pull the tubular members axially toward each other.