PNEUMATIC TIRE FOR PASSENGER CAR

摘要

PURPOSE:To provide a pneumatic tire for passenger car which can reduce the PRCF and the handle flowing amount without deteriorating the intrinsic characteristics of a herical pattern, even though the try pattern is made in a herical pattern. CONSTITUTION:While sipings which combine from two obtuse angle points P and P' of a lozenge-shaped block to two points Q and Q' separated 0.20<=d/D<0.50 and 0.20<=d'/D<0.50 to the block width D along the sides at an auxiliary groove side of the lozenge-shaped block, are provided to the lozenge-shaped block of a herical pattern, the angle of the sipings to the peripheral direction of a tire is made 5 deg. or more, in this pneumatic tire for passenger car.