Receptacles – Closures – Floating closure
Patent
1984-09-17
1985-03-12
Pollard, Steven M.
Receptacles
Closures
Floating closure
220216, B65D 8838
Patent
active
045039887
ABSTRACT:
A flexible cover for placement upon the fluid surface of an open reservoir. A plurality of elongated weights form elongated sumps in the cover for the collection of surface water. All horizontal portions of the cover and the sump walls are in biaxial tension. A perimeter gas manifold at the periphery of the reservoir receives gas generated beneath the cover. The flow of gas to the periphery is enhanced by varying the linear weight of the sump weights or by placing small weights on the horizontal cover portions. Floats may also be placed beneath the cover to collect the gas. Different weight cover portions are also used to enhance gas migration to gas manifolds. The cover may also be formed with floats adjacent the sumps to facilitate the removal of gas driven against the float by ambient winds.
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Burke Industries Inc.
Cypher James R.
Pollard Steven M.
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