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.