Patent ID: 6792985
Filing Date: 2004-09-21
Classification: B60C

Abstract:
A pneumatic tire comprisinga tread portion with at least one longitudinal groove extending in the tire circumferential direction and blocks adjacent to one side of said at least one longitudinal groove, each said block provided with a cut-slope on a corner between the top surface and a lateral face of the block, said lateral face facing the longitudinal groove, said cut-slope inclining towards the bottom of the longitudinal groove, and the axial width of the cut-slope gradually decreasing from a middle point of the cut-slope towards each side thereof in the circumferential direction, wherein the circumferential length of the cut-slope is in a range of from 50 to 80% of the circumferential length of said corner of the block, and in a tire meridian section, the cut-slope has an inclination angle of from 40 to 70 degrees with respect to the normal direction to the tread surface.