PNEUMATIC TIRE Russian patent published in 2013 - IPC B60C11/04 B60C11/11 B60C11/12 B60C11/13 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry, namely, to tread pattern. Propose tire comprises side strips and tread section there between. Two peripheral zigzag-like main grooves extend along tire circle in every zone from tire axial line in tread region. First transverse grooves extend from main inner peripheral groove to pattern end. Second transverse grooves extend to pattern end from outer peripheral main groove. Inner peripheral main groove wall has surface with inclination varying in circle. Outer block located between main grooves has traverse cutout-like groove extending in tire width or from inner, or from outer main groove and closed within outer block. Depth of transverse cut-out groove is smaller than that of the first and second transverse grooves.

EFFECT: higher braking properties on snowy and wet pavement.

20 cl, 7 dwg, 1 tbl