PASSENGER CAR TIRES Russian patent published in 2006 - IPC B60C11/04 

FIELD: tire industry.

SUBSTANCE: tread is provided with at least one circular row of blocks arranged between first and second circular grooves. Limits of each block are determined by section of first circular groove and first and second cross grooves meeting in common tops arranged at a distance from each other and separated from second circular groove by continuous circular rib of tread. Second cross groove which determines limits of block is separated from first cross groove which determines the limits of directly following block by means of solid part of tread.

EFFECT: reduced noise at running, improved performance characteristics of tire.

19 cl, 1 tbl, 14 dwg