Gas riser apparatus and method

Details Gas riser apparatus and method Gas riser apparatus and method

1974-08-06

1976-10-26

Watkins, Donald E.

Pipes and tubular conduits

Combined

With end structure

138147, 277178, F16L 920, F16L 922

Patent

active

039878201

ABSTRACT:
A gas riser apparatus and method for conducting gas from a source of supply to a delivery point such as a meter or the like. The gas riser apparatus is defined by a double walled conduit including an inner tubular member and an outer tubular member. Sealing structure is provided at the double walled conduit for the purpose of sealing the riser apparatus. The method of the invention is directed to method steps for conducting gas from a source of supply below ground level to a delivery point above ground level.

REFERENCES:
patent: 2613431 (1952-10-01), McGee
patent: 2764427 (1956-09-01), Andrus
patent: 3068563 (1962-12-01), Reverman
patent: 3093161 (1963-06-01), Jacobson
patent: 3572768 (1971-03-01), James
patent: 3814466 (1974-06-01), Leopold

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