PARQUET BOARD Russian patent published in 2022 - IPC E04F15/04 

FIELD: construction industry.

SUBSTANCE: invention relates to construction, in particular to parquet boards. The parquet board includes a base on which a face covering of slats in the form of squares arranged in a staggered order is glued. The base is made of a continuous series of parallel calibrated rails deployed relative to the elementary squares of the front cover at an angle α, the minimum value of which is limited and determined by the ratio tg α=b/l, where b is the width of the rails, l is the length of the rails, and the maximum value of the angle α is 45°. Horizontal grooves can be made along the opposite ends of a row of rails, in which dowels are installed.

EFFECT: increase in the strength of the parquet.

1 cl, 1 tbl, 4 dwg