Patent ID: 6827115
Filing Date: 2004-12-07
Classification: B60C,Y10T

Abstract:
A pneumatic tire having a tread and a carcass with a ply, oppositely disposed sidewalls extending radially-inwardly from opposite sides of tread and including an inner radial-end bead portion with an annulus made of bead wire and with the ply extending between and looped about each of the beads; the tire characterized by;each of the beads including an annulus made of a rubber filler forming a bead member with the bead wire annulus associated therewith, the bead member having a substantially circular traverse cross-section, each of the beads including a thermoplastic cover disposed in surrounding relationship with the bead member thereof, and each of the thermoplastic covers including an inner layer and an intermediate layer and an outer layer and wherein the intermediate layer is selected from a class of materials that soften at a lower temperature than the inner and outer layers.