Patent Number: 6,332,485

Title: Pneumatic tire including rib-shaped lands

Abstract: A pneumatic tire comprises a tread portion having a plurality of block-shaped or rib-shaped lands defined by a plurality of tread grooves, wherein each edge portion of the same block-shaped or rib-shaped land located at a boundary between a ground contact region and a side wall of the block-shaped or rib-shaped land is subjected to chamfering convexly outward in a radial direction of the tire at a curvature varied in accordance with a distance from a given position of the block-shaped or rib-shaped land.

Inventors: Matsumoto; Hiroyuki (Kodaira, JP)

Assignee: Bridgestone Corporation

International Classification: B60C 11/13 (20060101); B60C 11/11 (20060101); B60C 011/04 (); B60C 105/00 ()

Expiration Date: 12/25/2018