Free access floor panel

Static structures (e.g. – buildings) – Composite prefabricated panel including adjunctive means – Having separate attached – elongated edging or stiffener

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Details

52792, 52793, 52811, E04C 234

Patent

active

048562564

ABSTRACT:
A free access floor panel including a top plate and a bottom plate made of sheet steel of which a peripheral surface thereof if formed by upright walls. The top and the bottom plates of the floor panel are integrated into a single body along the entire peripheries, with either of the top or bottom plates being divided on a diagonal line, by being crimped to assemble a quadrate floor panel. The floor panels may also be filled with inorganic hollow grains.

REFERENCES:
patent: 1848715 (1932-03-01), Hart et al.
patent: 3380217 (1968-04-01), Mikus
patent: 3696578 (1972-10-01), Swensen et al.
patent: 3811237 (1974-05-01), Bettinger
patent: 3852928 (1974-12-01), Raith
patent: 4035967 (1977-07-01), Harvey
patent: 4085557 (1978-04-01), Tharp
patent: 4267679 (1981-05-01), Thompson
patent: 4748789 (1988-06-01), Hedley

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