TIRE Russian patent published in 2022 - IPC B60C11/12 B60C11/11 

FIELD: car industry.

SUBSTANCE: tire includes a tread having the first edge of the tread and the second edge of the tread, and the tread is equipped with inclined grooves passing obliquely relatively to the axial direction of the tire. Inclined grooves include the first inclined groove and the second inclined groove. Each of the first inclined grooves and the second inclined grooves has an open end and a closed end, and there are the first steeply inclined section from the side of the open end, the second steeply inclined section from the side of the closed end, and a moderately inclined section between them. The second steeply inclined section includes a part, where an angle relatively to a longitudinal direction of the tire gradually decreases in the direction of the closed end.

EFFECT: improvement of characteristics of the tire on a snow-covered and wet road surface.

5 cl, 4 dwg, 1 tbl