Floating cover having pivotally connected flotation pontoons

Details Floating cover having pivotally connected flotation pontoons Floating cover having pivotally connected flotation pontoons

1979-04-02

1981-01-13

Shoap, Allan N.

Receptacles

Closures

Floating closure

220218, 220220, 220222, B65D 8834, B65D 8836, B65D 8840, B65D 8842

Patent

active

042444870

ABSTRACT:
A floating cover for a tank is characterized by a pivotal interconnection between confronting ends of longitudinally adjacent flotation pontoons such that one pontoon is pivotally movable with respect to the longitudinal axis of the other pontoon when the deck of the cover flexes in response to turbulence in the liquid on which the cover is disposed or in response to any other non-uniform loading on the deck.

REFERENCES:
patent: Re29270 (1977-06-01), Nelson
patent: 1712321 (1929-05-01), Afonin
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patent: 2070828 (1937-02-01), Ellis et al.
patent: 3343708 (1967-09-01), Haas
patent: 3372831 (1968-03-01), Daniels et al.
patent: 3511406 (1970-05-01), Creith et al.
patent: 3861555 (1975-01-01), Nelson
patent: 3910452 (1975-10-01), Szasz
patent: 3926332 (1975-12-01), Okamato
patent: 3942674 (1976-03-01), Nelson
patent: 3944113 (1976-03-01), Heisterberg
patent: 3972444 (1976-08-01), Adams
patent: 4018356 (1977-04-01), Szasz et al.
patent: 4036394 (1977-07-01), Bodley et al.
patent: 4036395 (1977-07-01), Tuckey
patent: 4071164 (1978-01-01), Skakunov
patent: 4116358 (1978-09-01), Kinghorn et al.
Kern, "Aluminum Internal Floating Roofs", presented at the Refinery and Petrochemical Plant Maintenance Conference, Feb. 8-10, 1978.

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