Floating roof

Details Floating roof Floating roof

1974-11-18

1976-03-16

Price, William

Receptacles

Closures

Floating closure

B65D 8718

Patent

active

039441130

ABSTRACT:
A floating roof for floating upon and covering liquids stored in storage tanks, the roof including a deck generally conforming to the shape of the associated storage tank and having transverse dimensions and a thickness such that the deck is flexible, a pontoon around the outer periphery of the deck to impart buoyancy thereto, and a hermetically sealed hollow floatation ring mounted on the deck intermediate the center and the outer edge thereof, the weight of the floatation ring being asymmetrically disposed so as to place an area of the deck at a lower level than all other areas to provide a sump, and a drain communicating with the sump to drain liquid from the upper surface of the deck.

REFERENCES:
patent: 1493091 (1924-05-01), Wiggins
patent: 1819401 (1931-08-01), Bailey
patent: 2287213 (1942-06-01), Wiggins
patent: 2321058 (1943-06-01), Wiggins
patent: 2386022 (1945-10-01), Wiggins
patent: 2664220 (1953-12-01), Cord et al.
patent: 2750067 (1956-06-01), Wiggins
patent: 3474931 (1969-10-01), Daniels et al.
patent: 3647113 (1972-03-01), Belleli
patent: R23417 (1951-10-01), Praeger et al.

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