Patent ID: 6371525
Filing Date: 2002-04-16
Classification: F16L,Y10T

Abstract:
A riser assembly adapted to transmit gas from an associated buried fluid line to an associated manifold, the riser assembly comprising:a unitary adapter including a mounting structure at one end for connection to a manifold and having an opening at an opposite end; an inner casing having a first end received through the opening in the adapter and held therein without threaded connections on the adapter; a seal member interposed between the inner casing and the adapter for sealing therebetween; a gripping assembly for holding the inner casing in the adapter; an outer casing surrounding the inner casing and having a first end received through the opening in the adapter wherein the outer casing is a plastic material that provides corrosion resistant and dielectric properties; and a mounting assembly that prevents pullout of the outer casing from the adapter and allows the inner and outer casings to freely rotate relative to the adapter.