Patent ID: 6082402
Filing Date: 2000-07-04
Classification: F16L,Y10S,Y10T

Abstract:
A hydraulic coupling between a first tubular member and a second tubular member, the tubular members having a common axis comprising:an outer annular leg on a mating end of the first tubular member;an inner annular leg on said mating end of the first tubular member, said outer and inner annular legs being joined to each other by a base that faces the matable end of said second tubular member, said inner and said outer leg and said base defining an annular cavity therebetween, wherein said inner annular leg has an outwardly facing seal surface;a spring member in said annular cavity in contact with said base and spaced axially from said outwardly facing seal surface; andan annular wall protruding from a mating end of the second tubular member and inserted between said outer annular leg and said inner annular leg, said annular wall having a distal end in engagement with said spring member, wherein said outwardly facing seal surface sealingly engages a seal surface formed on an inner diameter portion of said annular wall forming a metal-to-metal seal.