Spacerless or geocomposite double bottom for storage tank
AssigneeMatrix Service, Inc.
InventorsTor Frederick Larson, Kenneth Leland Erdmann
Life of this patent
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Abstract
A spacerless double bottom apparatus for a storage tank having a metal bottom and upwardly extending metal sidewalls. The apparatus includes a first lining layer of flexible plastic on top of the metal bottom. A plastic grid having a plurality of openings therethrough is installed on top of the first lining layer. At least one layer of fiber insulation is installed and resides on top of the grid. An upper metal bottom on top of the fiber insulation is welded to the sidewalls to form a fluid tight secondary containment compartment.
Claims13
A spacerless or geocomposite double bottom apparatus for a storage tank having a metal bottom and upwardly extending metal sidewalls, which apparatus comprises:
- a first lining layer of flexible plastic on top of said metal bottom;
- a plastic grid having a plurality of openings therethrough on top of said first lining layer;
- at least one layer of fiber insulation on top of said grid;
- and
- an upper metal bottom on top of said fiber material welded to said sidewalls wherein said upper bottom extends through slots in said sidewalls and is welded thereto by welding to a flat bar extending from said sidewalls.
A spacerless or geocomposite double bottom apparatus for a storage tank having a metal bottom and upwardly extending metal sidewalls, which apparatus comprises:
- a first lining layer of flexible plastic on top of said metal bottom;
- a plastic grid having a plurality of openings therethrough on top of said first lining layer;
- at least one layer of fiber insulation on top of said grid;
- and
- an upper metal bottom on top of said fiber material extending through slots in said sidewalls and welded thereto by welding to a flat bar extending from said sidewalls.
Dependencies are inferred from the claim text.