Pneumatic tire with sidewall inserts having specified extension underneath the belt package
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United States of America Patent
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Jun 23, 1998
Grant Date -
N/A
app pub date -
Nov 13, 1996
filing date -
Nov 13, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A pneumatic passenger tire has an aspect ratio of greater than 50%, having bead portions with a height of not less than 30% of the tire section height, but no greater than the height of the maximum section width of the tire, and a pair of crescent-shaped sidewall inserts on either side of the belt package, disposed axially inward of the carcass structure, wherein the sidewall insert has a first inner end located at a position between 15% and 45% of height H of the bead portions, and a second outer end which extends to an axial position of not less than 40% of a half width of the outermost belt, as measured from the lateral edge of the belt toward an equatorial plane EP of the tire. The tire construction has sidewall insert is comprised of a sulfur-vulcanizable rubber compound having high compressive flex fatigue, high modulus and low hysterisis subsequent to vulcanization.
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