Patent ID: 6412832
Filing Date: 2002-07-02
Classification: F16L

Abstract:
A self-flaring plastic fitting for coupling to an end portion of plastic tubing, the tubing having a substantially uniform outer diameter and a substantially uniform inner diameter and wherein said end portion of said tubing has an external annular groove, said fitting comprising:a plastic fitting body having a bore extending therethrough, having an integral tapered nose section sized to fit within the end portion of the tubing, and having an integral threaded portion; and a plastic fitting nut having an integral threaded portion for engaging with the threaded portion of the fitting body, said plastic tubing insertable within said fitting nut, said fitting nut having at least one integral annular groove engaging portion extending radially inward; wherein upon insertion of said tubing within said fitting nut and the threaded engagement of said fitting nut to said fitting body, said groove engaging portion of said fitting nut engages said groove of said tubing and the continued threaded engagement of said fitting nut to said fitting body causes said end portion of said tubing to flare over said tapered nose section of said fitting body.