Crimped gas riser with jacket assembly

Details Crimped gas riser with jacket assembly Crimped gas riser with jacket assembly

2006-10-24

2006-10-24

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

Nonmetal to metal

Internal member

C285S148130, C285S382000, C285S055000

Reexamination Certificate

active

07125052

ABSTRACT:
A riser assembly is provided for transmitting gas from a buried line to a meter manifold. The riser assembly includes 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 has a first end received through the opening and a second end extending therefrom for connection with an associated buried line. A seal assembly is interposed between the inner casing and the adapter for sealing therebetween. A gripping assembly holds the inner casing in the adapter. A protective tubular assembly is received over the inner casing. The tubular assembly has 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 includes 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.

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patent: 6371525 (2002-04-01), Passerell et al.
patent: WO 98/44285 (1998-10-01), None

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