A tire comprising a tread portion and a pair of sidewalls wherein the sidewalls are connected to the tread portion by shoulder regions, and wherein the tire further includes one or more strips of rubber affixed to the inner surface of a green tire. The strip may be annular and may be located near the toe of the bead. The strip is made from a rubber composition having a specific gravity greater than 2. The strip may be ground away as desired in order to balance the tire without the need for weights.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a cross-sectional view of a tire of the present invention;
FIG. 2 is a close-up cross-sectional view of a portion of the shoulder assembly of the tire of FIG. 1; and
FIG. 3 is a cross-sectional view of the overlay layer of the tire only.
Claims
1. A pneumatic tire comprising a radial ply carcass, a tread disposed radially outward of the crown region of the carcass, and a crown reinforcing structure interposed between the tread portion and the crown region of the carcass, wherein the crown reinforcing structure comprises a belt assembly having one or more belt ply, wherein said one or more belt plies comprise reinforcement cords, and an overlay structure extending transversely over the belt plies, the overlay comprised of an elastomeric strip of two or more cords, the elastomeric strip making an angle of between 0 and 5 degrees with the equitorial plane of the tire, wherein the tire further comprises a shoulder area, and wherein the elastomeric strip is wound in the shoulder area in an overlapping manner and each strip overlaps the adjacent strip by the strip width/2.
Patent Application
20070144649
