WINTER TIRE Russian patent published in 2018 - IPC B60C11/16 

FIELD: vehicles equipment and accessories.

SUBSTANCE: winter tire is equipped with the snow stud or hole for the anti-skid stud. Tread is divided into blocks. Each of the blocks includes triangular block, which has substantially triangular shape of the tread surface. Triangular block tread surface includes the first vertex with the smallest internal angle and the first edge facing the first vertex. Anti-skid stud or hole center is provided from the triangular block first edge side.

EFFECT: improvement of running performance on the icy road surface.

7 cl, 6 dwg, 1 tbl