Flooring material for building

Details Flooring material for building Flooring material for building

1994-02-18

1996-07-30

Safavi, Michael

Static structures (e.g., buildings)

Underlying compressible layer or pad

523098, 5230913, 5250601, 525921, 428136, 428157, F04F 1510, F04F 1516

Patent

active

055400256

ABSTRACT:
A flooring material for building comprises a wood overlaid board having a pair of side faces parallel to each other and a flexible sheet which is integrally layered on the back face of the wood overlaid board. The lower portion of the wood overlaid board is provided with a plurality of nick grooves which extend from one side face to the other side face. The nick grooves are formed to such a depth and at such an interval as to impart the wood overlaid board with flexibility. The product of the specific gravity and thickness of the flexible sheet is larger than the product of the specific gravity and thickness of the wood overlaid board, thereby positioning the center of gravity of the flooring material for building in the flexible sheet.

REFERENCES:
patent: 2961029 (1960-11-01), Rainar
patent: 3684630 (1972-08-01), Sesenig et al.

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