Static structures (e.g. – buildings) – Curvilinear barrier – Supports transverse structure
Patent
1995-04-20
1996-06-18
Friedman, Carl D.
Static structures (e.g., buildings)
Curvilinear barrier
Supports transverse structure
220565, 220373, 454 49, E04B 132
Patent
active
055266207
ABSTRACT:
A substantially gas-tight tank cover is designed such that the structural beams of the cover serve also as a gas withdrawal system for removing odorous or deleterious gases from above the surface of a liquid in the tank, such as in the case of a sewage treatment plant. The structural beams are tubular in cross-sectional shape, and have openings at selected locations in communication with the interior of the tank above the liquid. The system efficiently uses the structure of the tank cover as part of the odorous gas withdrawal system.
REFERENCES:
patent: 5009685 (1991-04-01), Wilson et al.
patent: 5325646 (1994-07-01), Hallsten et al.
patent: 5424806 (1995-06-01), Siegel
Freiburger Thomas M.
Friedman Carl D.
Hallsten Corporation
Jersen David
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