FIELD: transport.
SUBSTANCE: invention relates to automotive industry, namely, to tread pattern. Tread has H-deep grooves exposed at tread surface and confined by material surfaces spaced at least 2 mm apart. Multiple grooves 2 have at least one shaped ledge 6 at, at least one of said opposed surfaces. Said shaped ledge is confined by radially outward and radially inward surfaces. Said radially outward surface is located closer to tread surface 10 than radially inward surface. Inner and outer surfaces cross at points A1, A2 of the ledge distant from each other in groove direction. Note here that every of said surfaces of every ledge, radially inner and outer, features such profile in section parallel with confining surfaces that radially outward surface profile length is larger than that of radially inward surface.
EFFECT: better performances in rainy weather.
5 cl, 6 dwg
