Outdoor floor covering

Details Outdoor floor covering Outdoor floor covering

1989-12-20

1992-03-31

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428172, 428215, 428218, 4283184, 4283186, 428493, 5417, B32B 328, A47G 906

Patent

active

051007169

ABSTRACT:
An outdoor floor covering comprised of two laminated sheets of flexible water-resistant materials. A top one of the sheets has a low-profile ribbed outer surface and is comprised of a material capable of retaining flexible properties at low temperatures well below freezing. The other sheet is a backing sheet formed of a closed cell material having a density which is much weaker than that of the top sheet so that the backing sheet is impermeable and deforms under the force of a small load exerted on the top sheet whereby any ice formed on the top sheet can be easily broken by the deformation of the top sheet caused by a person standing on the floor covering. The backing sheet also has a thickness which is at least three times that of the top sheet.

REFERENCES:
patent: 1580075 (1926-04-01), Paine
patent: 2069720 (1937-02-01), Harvey
patent: 3711362 (1971-08-01), Ballard
patent: 3787259 (1974-01-01), Kleinfeld
patent: 4122224 (1978-10-01), Brewer

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