TUBULAR CONNECTION FLOATING SHOULDER RING

摘要

A shoulder ring ( 10 ) for installing in the J-space between the installed pin ends within a coupling collar is taught having a body with a central opening therethrough, a first end face ( 12 ) on the body, an opposite end face ( 14 ) on the body, an inner surface ( 16 ) adjacent the central opening and extending between the first end face and the opposite end face and an outer surface ( 18 ) extending between the first end face and the opposite end face, the body having a substantially uniform cross sectional shape between the first end face, the opposite end face, the inner surface and the outer surface and the ring shaped such that its radius to the outer surface varies around the outer surface circumference to form a plurality of lobes ( 12 ).