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

FIELD: motor vehicle industry.

SUBSTANCE: invention relates to non-studded automobile tire for movement along ice-covered and snow-covered roads. Tire comprises annular groove passing in circumferential direction of tire, transverse groove passing in direction along width of tire, and multiple units limited by said circular and transverse grooves. At least one of the blocks includes one or more slots extending in the direction along the width of the tire, and ratio of 0.130≤(h/L)≤0.400 is satisfied, in which h is a middle interval between adjacent to each other in circumferential direction of tire slots, and L is average length of blocks pitch in circumferential direction of tire.

EFFECT: improved characteristics of motion along ice-covered and snow-covered roads and along dry road surface.

9 cl, 13 dwg, 6 tbl