Patent ID: 6561242
Filing Date: 2003-05-13
Classification: B60C,Y10S,Y10T

Abstract:
A pneumatic tire comprising a tread portion having a ground contact face and blocks defined by circumferential grooves extending in a circumferential direction and lateral grooves extending in a widthwise direction at the ground contact face and a sipe formed in each surface of the blocks in a block row at least located near to a center of the tread and extending in the widthwise direction and opening at least one end thereof to the respective circumferential groove, in which the sipe is sandwiched between width-widened parts and is opened through at least one of the width-widened parts to the circumferential groove and a width of the sipe is narrower than a width of said at least one of said width-widened parts and a depth of the at least one of said width-widened parts is shallower than a death of the sipe.