Patent ID: 6409229
Filing Date: 2002-06-25
Classification: B29C,B29K,B29L,F16L,Y10S

Abstract:
A joint assembly for joining together end to end plastic pipe or duct sections having interior and exterior walls, comprisingan internal tubular resin slip collar having exterior walls with an outside diameter less than the diameter of said pipe and duct sections interior walls, an external tubular resin slip collar having interior walk with an inside diameter greater than the diameter of said pipe and duct sections exterior walls, whereby the internal slip collar is mounted with the joined pipe or duct sections interior walls, whereby the external slip collar is mounted around the joined pipe or duct sections, whereby the internal slip collar and joined pipe and duct sections are adhesively bonded together and the external slip collar and the pipe or duct sections are adhesively bonded together, whereby the plastic pipe or duct sections comprie fiberglass and the joint assembly has passed the Factory Mutual #4922 fire test.