TIRE WITH IMPROVED RUN-FLAT AND WET HANDLING DESIGN

摘要

A run-flat radial ply pneumatic tire 10 having a carcass 30 reinforced with elastomeric sidewall fillers 42,46,48 and at least three bead cores 26,26' and 37 is disclosed. At least one bead core 37 extends radially inwardly of the tread 12 and one or more reinforcing belts 36. The tire 10 made according to the invention can exhibit equal to or improved ride over conventional tires while also providing a limited run-flat capability. In several preferred embodiments improved wet traction tread configurations are employed.