Receptacles – Closures – Floating closure
Patent
1982-06-29
1984-01-24
Shoap, Allan N.
Receptacles
Closures
Floating closure
220220, 267139, B65D 8834, B65D 8840
Patent
active
044271271
ABSTRACT:
A cover adapted to float on the surface of liquid in a storage tank employs a deck and first and second generally horizontal elongated pontoons disposed essentially along a common axis of symmetry. The pontoons are adapted to float support the deck on the surface. A vertical hollow member open at top and bottom is disposed between adjacent ends of the adjacent pontoons.
First and second devices each resiliently and flexibly secure the end of the corresponding one of the pontoons adjacent the member to the member. The first and second devices are disposed on opposite sides of the member.
A vertical leg extends downwardly through the hollow member and is secured thereto.
REFERENCES:
patent: 2974822 (1961-03-01), Trimble
patent: 3563525 (1971-02-01), Narabu
patent: 3904300 (1975-09-01), Hetmann
patent: 4244487 (1981-01-01), Kern
Mayflower Vapor Seal Corp.
Petrik Robert
Shoap Allan N.
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