Patent ID: 7125052

Claim:
A riser assembly for transmitting gas from a buried line to a meter manifold, the riser assembly comprising: an adapter having 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 and a second end extending therefrom for connection with an associated buried line; a seal assembly interposed between the inner casing and the adapter for sealing therebetween; a gripping assembly holding the inner casing in the adapter; a protective tubular assembly received over the inner casing and having a first end received in the opening and a second end extending therefrom a dimension sufficient to cover the inner casing above ground, the protective tubular assembly including: a steel liner received over the inner casing for protecting the inner casing; an anticorrosive coating received on the steel liner; and a plastic jacket received over the coating and the liner for providing a protective barrier thereto; and a crimp connection between the adapter and the protective assembly that includes the adapter extending radially into the plastic jacket for preventing pullout of the protective assembly from the adapter by the adapter, wherein the crimp connection includes a first crimp adjacent the opening of the adapter having a portion of the adapter extending radially into the plastic jacket.