PNEUMATIC TIRE Russian patent published in 2011 - IPC B60C11/03 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry, namely, to tread pattern. Pneumatic tire comprises tread 2 provided with wavy lengthwise groove 7 and transverse grooves 4. Intercrossing 5 of every transverse groove 4 with wavy lengthwise groove 7 forms angled edges 6. At said intercrossing 5, transverse groove 4 has top lateral edge crossing jointing lateral edge of wavy lengthwise groove 7 at first point and bottom lateral edge crossing jointing lateral edge at third point. First point is located between second intercrossing point and that of maximum amplitude of jointing side wherein second intercrossing point makes that between jointing lateral edge and tangent line of maximum inclination to opposite jointing lateral edge of wavy lengthwise groove, while point of maximum amplitude of jointing side makes that point which is located on jointing lateral edge wherein jointing edge extends to the utmost degree relative to jointing side.

EFFECT: better vehicle stability.

9 cl, 7 dwg