PNEUMATIC TYRE Russian patent published in 2017 - IPC B60C11/04 B60C11/13 B60C11/12 B60C11/03 

FIELD: motor industry.

SUBSTANCE: invention relates to automotive industry. Tread comprises inner and outer edges, of internal and external central main grooves passing in longitudinal direction, located on both sides of tire equator and limiting central area between them, inner and outer shoulder main grooves passing in longitudinal direction, arranged axially outside from internal and external central main grooves, two medium areas, including inner middle area, limited by inner central main groove and inner shoulder main groove, and outer middle area limited by outer central main groove and outer shoulder main groove, two shoulder areas. Outer shoulder main groove has width smaller than that of other main grooves. Outer middle area has width exceeding that of inner middle area. There are also shoulder transverse grooves, each of which passes from outer edge to tire equator beyond outer shoulder main groove limits.

EFFECT: improved stability of steering and uneven wear resistance while maintaining drainage characteristics.

10 cl, 4 dwg, 1 tbl