VEHICLE WHEEL TIRE Russian patent published in 2005 - IPC

FIELD: tire industry.

SUBSTANCE: proposed tire has tread with pattern containing at least three continuous ring grooves and great number of cross grooves dividing separate blocks. Said blocks are arranged in four rows over circumference in two axial inner rows of central zone and two axial outer rows of shoulder zones. Cross grooves of said rows are arranged with tilting relative to equatorial plane in opposite directions relative to each other. Thread band contains blocks of rows of central zone with large surface area in which corresponding water-removing elements are provided. Ratio between width of each inner row in axial direction and width of tread in axial direction between ends of shoulder zones is not less than 0.18. Moreover, each block is provided with water-removing elements in form of cross cavity passing from central ring groove to point in middle of block.

EFFECT: improved stability of tire in running, reduced noise.

28 cl, 5 dwg