Adjustable floating roof supports for reduced vapor loss

Details Adjustable floating roof supports for reduced vapor loss Adjustable floating roof supports for reduced vapor loss

1993-05-26

1994-10-11

Shoap, Allan N.

Receptacles

Closures

Floating closure

220216, 248351, B65D 8840

Patent

active

053539419

ABSTRACT:
This invention relates to a floating roof support for a liquid storage tank that reduces the loss of vapor from the tank and that supports the roof in a low and a high position.

REFERENCES:
patent: Re29270 (1977-06-01), Nelson
patent: 2536077 (1951-01-01), Orr et al.
patent: 2538032 (1951-01-01), Orr et al.
patent: 2586856 (1952-02-01), Orr et al.
patent: 2847755 (1958-08-01), Mummert et al.
patent: 2931534 (1960-04-01), Wiggins
patent: 3319329 (1967-05-01), Knutsen et al.
patent: 3587911 (1971-06-01), Creith
patent: 3812683 (1974-05-01), Laverman
patent: 3815775 (1974-06-01), Strunc et al.
patent: 4243151 (1981-01-01), Bruening

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