Apparatus and method of enhancing run-flat travel for pneumatic tires
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United States of America Patent
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-
Aug 14, 2007
Grant Date -
Mar 23, 2006
app pub date -
Sep 23, 2004
filing date -
Sep 13, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pneumatic tire in accordance with an exemplary embodiment of the invention includes a tread portion having a pair of lateral tread edges, a pair of bead portions, a pair of sidewalls that each extend 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 is disposed between one of the sidewalls and the inner liner. Each of the sidewall inserts includes a top portion and a bottom portion that are each made of high modulus, low hysteresis run-flat stock. Each of the sidewall inserts also includes a center portion made of sidewall stock disposed between the top and bottom portions.
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