Receptacles – Closures – Floating closure
Patent
1989-05-12
1990-11-20
Marcus, Stephen
Receptacles
Closures
Floating closure
220222, 220227, 220 1B, B65D 8842, B65D 9034, B65D 8836
Patent
active
049712179
ABSTRACT:
Flotation covers for large bodies of liquid, e.g. reservoirs usually consist of large sheets or panels adapted to float on the surface of the liquid. Such covers are adapted to follow changes in liquid level. However, in general, the problem of covering the surface of the liquid around the periphery of the cover is not addressed. A solution to this problem involves a panel covering all but the peripheral edges of the liquid surface, cables connected to the edges of the panel and to counterweights for maintaining the panel centered on the surface, and floats for supporting the edges of the panel and the bottom edge of a skirt, which extends upwardly to the wall of the reservoir, the skirt being connected to the cables by slip rings, so that the skirt folds and unfolds as the liquid level rises and falls.
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Agassiz Geoffrey C.
McLeod Neil D.
Robertson William L.
Castellano Stephen
Dunsmuir George H.
Hinds William R.
Marcus Stephen
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