Plastic floor tile

Details Plastic floor tile Plastic floor tile

1990-05-08

1992-06-16

Ridgill, Jr., James L.

Static structures (e.g., buildings)

With synthetic resinous component

With nonresinous component

5230913, 52590, 52612, E04C 220

Patent

active

051215764

ABSTRACT:
An improved plastic floor tile formed with an internal stress eliminating structure including grooves or recesses disposed on the lower surface of the floor tile at four corners and four sides thereof, whereby contractile internal stress caused by thermal change can be interrupted from reaching the four corners or margin portions of the floor tile by the internal stress eliminating structure so as to effectively prevent distortion of the four corners or margin portions.

REFERENCES:
patent: 1808591 (1931-06-01), Bruce
patent: 2269927 (1942-01-01), Crooks
patent: 2950575 (1960-08-01), Hellwig

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