Open liquid surface cover

Details Open liquid surface cover Open liquid surface cover

1975-08-25

1976-11-23

Price, William

Receptacles

Closures

Floating closure

B65D 8718

Patent

active

039932141

ABSTRACT:
Means for substantially reducing evaporation and heat loss from an open liquid surface comprising a plurality of pentagonal dodecahedrons which substantially cover the surface of the liquid. The dodecahedrons may be hollow or solid but are preferably made of structural foam having a specific gravity which is approximately one-half the specific gravity of the liquid.

REFERENCES:
patent: 1671650 (1928-05-01), Newman et al.
patent: 2920648 (1960-01-01), Sheffer
patent: 3938338 (1976-02-01), Cullen

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