Patent ID: 6123317
Filing Date: 2000-09-26
Classification: F16L

Abstract:
A coupling for sealingly engaging a member having a cylindrical outer wall surface extending along an axis comprising:(a) a nut encircling said member, said nut having outwardly facing threads and an engagement end; and(b) a body having inwardly facing threads engaged to said nut outwardly facing threads, said body including an inwardly facing wall surface encircling said member, a shoulder extending outwardly from said inwardly facing wall surface, and a tapering wall portion extending from said shoulder toward said inwardly facing threads at an angle in the range of 7.degree. to 20.degree. relative to said axis;said shoulder and said tapering wall portion cooperating with said member cylindrical outer wall surface and said nut engagement end to define an open area for receiving a sealing member.