ARTIFICIAL COATING FOR DOING SPORTS OR PLAYING GAMES Russian patent published in 2010 - IPC A63C19/10 

FIELD: sports; games.

SUBSTANCE: coating comprises monolithic plates made of ultrahigh molecular polyethylene joined as block by fastening elements and rigid base. Monolithic plates are made of ultrahigh molecular polyethylene with molecular weight of 1.5-3.3.10⁶. Coating is additionally equipped with at least one antifriction layer arranged on base and block of subplates arranged under block of monolithic plates. Fastening elements are arranged in the form of bushing with thread and nut installed in recess of subplate pairwise in area of monolithic plates connection and tightened by threaded element with the help of tool brought into recess for it in subplate. At the same time on bushing and nut there is at least one wedge-shaped or rectangular brace fixed, inserted into seat or slot arranged on lower surface of each monolithic plate in area of their joint with configuration congruent to brace, or bushing and nut are rigidly fixed on monolithic plate, and blocks and at least one antifriction layer are arranged with the possibility of free displacement in horizontal plane inside mounting frame that limits blocks, along perimetre of which there are facilities installed to return blocks and antifriction layer or layers into balanced position. Method is also provided for manufacturing of coating.

EFFECT: improved quality of coating and its durability with simultaneous simplification of maintenance and possibility to replace boards.

14 cl, 3 dwg