Double wall underground storage tank

Details Double wall underground storage tank Double wall underground storage tank

1992-08-04

1993-07-06

Moy, Joseph Man-Fu

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220445, 220426, B65D 746

Patent

active

052246213

ABSTRACT:
An underground storage tank comprises a cylindrical inner wall, a cylindrical outer wall of plastic resin and reinforcement fibers, and a layer of spacer filaments wound around the inner wall, the spacer filaments separating the inner and outer walls, and the spacer filaments being at least partially surrounded by voids to enable liquids to flow along the filaments.

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patent: 4865220 (1989-09-01), Wiegand
patent: 4923081 (1990-05-01), Weaver
patent: 4933040 (1990-06-01), Wesley, Jr.
patent: 5115936 (1992-05-01), Bartlow

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