TIRE Russian patent published in 2019 - IPC B60C11/12 B60C11/03 

FIELD: transportation.

SUBSTANCE: invention relates to non-studded automobile tire for movement along ice-covered and snow-covered roads. Far end of sharpened groove 240 of pneumatic tire 10 ends in block 210 of contact section. Between adjacent units 260 there is transverse inclined groove 270 inclined in the same direction as limited inclined groove 220, and separating said units 260 located adjacent to unit 210 in direction along tire width. When looking at tread surface direction of passage of transverse inclined groove 270 coincides with direction of passage of limited inclined groove 220. In each of blocks 210 and 260 there are multiple cuts 290 inclined relative to direction along width of tire and passing in direction different from direction of passage of transverse inclined groove 270.

EFFECT: technical result is improved characteristics of tire movement on icy and dry roads with high level of wear resistance.

10 cl, 13 dwg, 6 tbl