Environmentally safe underground piping system

Details Environmentally safe underground piping system Environmentally safe underground piping system

1992-02-19

1993-11-23

Taylor, Dennis L.

Hydraulic and earth engineering

Fluid control, treatment, or containment

405154, 588249, F16L 100

Patent

active

052637948

ABSTRACT:
An environmentally safe underground piping system which employes a inner flexible fluid supply piping system contained within an outer non-flexible containment piping system which interconnects a series of surface access chambers. Both the flexible supply and and non-flexible containment piping systems are interconnected by a series of directional fittings and couplings. The containment system may be installed, integrity tested, inspected and backfilled, prior to installation of the supply piping system which allows for a faster and more economical installation.

REFERENCES:
patent: 4659251 (1987-04-01), Petter et al.
patent: 4932257 (1990-06-01), Webb
patent: 4958957 (1990-09-01), Berg et al.
patent: 4968179 (1990-11-01), Frahm
patent: 4971477 (1990-11-01), Webb et al.
patent: 5030033 (1991-07-01), Heintzelman et al.
patent: 5098221 (1992-03-01), Osborne

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