Patent ID: 7255146

Claim:
A pneumatic tire, comprising: a tread portion having a pair of lateral tread edges; a pair of bead portions, each bead portion including a bead filler; a pair of sidewalls, each of the sidewalls extending radially from one of the lateral tread edges of the tread portion to one of the bead portions; an inner liner; and a pair of sidewall inserts, each of the sidewall inserts being disposed between one of the sidewalls and the inner liner, each of the sidewall inserts including a top portion and a bottom portion, each of the top and bottom portions being made of high modulus, low hysteresis run-flat stock, each of the sidewall inserts also including a homogenous center portion made of sidewall stock disposed between and separating the top and bottom portions, wherein the center portion in each sidewall insert fills a volume formed by the top portion, the bottom portion, the inner liner and said one of the sidewalls.