Patent ID: 7543620

Claim:
A pneumatic tire comprising a carcass structure extending through a pair of opposing bead portions and an inner liner located inward of the carcass structure, each bead portion comprising a bead core about which is wrapped the carcass structure and a toeguard, wherein the bead core is substantially centered in the bead portion such that the thickness of the layers about the bead core, absent the thickness of the carcass structure and inner liner, at three locations, axially inward and axially outward of a maximum axial thickness of the bead core and radially inward of an axial center of the bead core, are equal and the toeguard extends from radially outward and axially inward of the bead core to radially outward and axially outward of the bead core and is comprised of three overlapping layers, wherein the bead portion further comprises a bead toe, a bead heel and a bead base extending between the toe and the heel.