Grating or mat element

Details Grating or mat element Grating or mat element

1987-05-26

1989-02-28

Friedman, Carl D.

Static structures (e.g., buildings)

Specified wear or friction-type traffic-carrying surface

52180, 52589, B44D 508

Patent

active

048074128

ABSTRACT:
A flooring made of intercoupled mat or flag or members of plastic, with these elements having, on each side, a set of integrally shaped coupling members, which are invisible on the surface of the tightly juxaposed elements or members, but allow the elements or members to be joined and separated by a relative, vertical displacement of the elements. The coupling members are designed and arranged such that, for joining or separating the elements in each central area of four elements in a square, it is necessary to bend and twist one or more of the elements resiliently, such that an unintensional disconnection of the elements or members is impossible.

REFERENCES:
patent: 3500606 (1970-03-01), Wharmby
patent: 4468910 (1984-09-01), Morrison
patent: 4584221 (1986-04-01), Kung

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