Patent ID: 6315334
Filing Date: 2001-11-13
Classification: F16L

Abstract:
A pipe joining system comprising:a first pipe member having an interior passageway and an opening at one end, said opening having a diameter with three cut-outs spaced equidistant from each other at said opening, said first pipe member having an annular groove formed in an inner wall thereof and spaced inwardly from said one end, said three cut-outs communicating with said annular groove, said first member having an annular section formed in said inner wall on a side of said annular groove opposite said one end, said annular section having an O-ring gasket received therein, said first pipe member being formed of a polymeric material, said interior passageway being of a non-threaded constant diameter on a side of said annular section opposite said annular groove; anda second pipe member having an end removably received within said interior passageway of said first pipe member through said one end of said first pipe member, said first pipe member having three protuberances extending radially outwardly from an exterior thereof and spaced from said one end of said second pipe member, said three protuberances corresponding in orientation and shape to said three cut-outs of said first pipe member, said three protuberances being rotatably received within said annular groove of said first pipe member, said exterior surface of said second pipe member between said end of said second pipe member and said three protuberances being of constant diameter and extending through and in liquid-tight engagement within said O-ring gasket, said second pipe member extending outwardly of said one end of said first pipe member, said second pipe member having a diameter less than a diameter of said first pipe member at said one end of said first pipe member, said second pipe member being formed of a polymeric material.