Patent ID: 6250354
Filing Date: 2001-06-26
Classification: B60C,Y10S

Abstract:
A vehicle tire comprising a tread portion provided with a plurality of blocks and at least one circumferential rib,said at least one circumferential rib having a first side face facing a circumferential groove and a second side face,said first side face being corrugated to form furrows and ridges which are arranged alternately in the circumferential direction and extend radially of the tire,an amplitude of the corrugation being in the range of 0.5 to 2.0 mm,said second side face not provided with the corrugation, andsipes extending across said circumferential rib so that each sipe has an end opened in one of the furrows on the first side face and an end opened in said second side face, the sipes having a pair of end portions extending substantially parallel with the tire axial direction and a zigzag middle portion extending therebetween, one of the end portions extending from the first side face and the other end portions extending from the second side face,wherein spacings between the sipes are in the range of 2.0 to 5.0 mm.