Floating thermally insulating tank covers

Details Floating thermally insulating tank covers Floating thermally insulating tank covers

1978-03-13

1980-02-19

Moy, Joseph Man-Fu

Receptacles

Closures

Floating closure

220227, B65D 8720

Patent

active

041890582

ABSTRACT:
Open top tanks or ponds are provided with a thermally insulating floating cover which comprises a plurality of individual generally flat polygonal plates floating in edge-to-edge relationship. Each of the plates has at least one peripherally disposed downwardly projecting flange and means to vent gases from beneath the plate-like element.

REFERENCES:
patent: 414561 (1889-11-01), Mallery
patent: 1674039 (1928-06-01), Glass
patent: 1717100 (1929-06-01), Downes
patent: 2919047 (1959-12-01), Fino
patent: 3419174 (1968-12-01), Engdahl
patent: 3462040 (1969-08-01), Galloway
patent: 3910452 (1975-10-01), Szasz

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