Patent ID: 6331020
Filing Date: 2001-12-18
Classification: F16L

Abstract:
A flexible pipe coupling system comprising a tubular elbow having a turnback rolled and upset at one end for mounting within a recess within a bolt-on flange, and having at the second end an annular groove around an exterior wall portion, the annular groove being spaced inward from the distal end for connecting to a flexible pipe, further comprising a flexible hose coupling and having a flexible pipe with an enlarged end overlying the end of the elbow which has an exterior annular groove, the enlarged end of the coupling having a cylindrical recess for receiving the end of the elbow, and having an annular groove in the recess for aligning with the annular groove in the elbow exterior wall, a shoulder at the end of the interior recess for receiving the end of the elbow, an annular seal disposed between an interior wall of the recess and the end of the elbow within the recess, and a connector disposed in the annular grooves.