TIRE Russian patent published in 2020 - IPC B60C11/11 B60C11/12 B60C11/03 

FIELD: transport machine building.

SUBSTANCE: invention relates to automotive winter asymmetric tire. Proposed tire comprises tread 2 with tread outer edge T0 and tread inner edge Ti. Tread 2 is provided with: outer shoulder main groove 3 extending continuously in tire lengthwise direction; main outer groove 4 of crown, passing continuously in longitudinal direction of tire and located between outer shoulder main groove 3 and tire equator and external transverse grooves 15, extending from outer main crown groove 4 to outer edge To of protector. Width of each of external transverse grooves 15 decreases towards outer main groove 4 of crown.

EFFECT: technical result is improved performance of the tire on a snow-covered coating.

6 cl, 8 dwg, 1 tbl