RAIN TIRE WITH HIGH OPERATING PERFORMANCES Russian patent published in 2016 - IPC B60C11/117 B60C11/03 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Claimed tire comprises tread band (2) with inner part (5), outer part (6) and central zone (7). Said tire band (2) has two circular grooves (11, 12) in said inner part (5), central circular groove (10) and multiple inner crosswise grooves (15) and multiple outer crosswise grooves (20). Inner crosswise grooves (5) comprise the central inner section (16) to make the angle (A relative to equator plane (X) making some minus 95 degrees to minus 135 degrees. Outer crosswise grooves (20) comprise the central inner section (21) to make the angle (D relative to equator plane (X) making some plus 125 to plus 165 degrees.

EFFECT: better grip on wet road under maximum load.

31 cl, 2 dwg