Patent ID: 6739364
Filing Date: 2004-05-25
Classification: B60C,Y10S

Abstract:
A pneumatic tire comprisinga tread portion with a pair of tread edges, and a tire shoulder extending radially inwardly from one of the tread edges, provided with a curved surface, wherein said tread portion is provided along at least one of the tread edges with a circumferential rib with said curved surface, the curved surface comprises a plurality of convex curves with a plurality of concave curves alternating therewith, on a cylindrical surface centered on the tire axis and intersecting said curved surface, each said convex curve swells axially outwards to have a curvature, and each said concave curve caves axially inwards to have a curvature, and the intersecting line between the curved surface and the cylindrical surface is a waved line, and each of said curvature of the convex curve and said curvature of the concave curve gradually diminishes towards the radially inside from the tread edge.