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

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 1.05≤(hs/hc)≤4.00 is satisfied, in which hc is a middle interval between adjacent to each other in the circumferential direction of the tire slots in the block of the central section, located in the position including the middle line of the tire, and hs is average interval between adjacent to each other in circumferential direction of tire slots in unit of shoulder section, located on contacting with ground end in direction along width of tire.

EFFECT: improvement of movement characteristics on ice-covered and dry roads, as well as increase in wear resistance level.

3 cl, 13 dwg, 6 tbl