Tire With Tread Pattern Including Sub-Surface Stiffness Tuning And Method
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United States of America Patent
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Jan 21, 2016
app pub date -
Mar 12, 2014
filing date -
Mar 15, 2013
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Abstract
A tire has an axis of rotation and a tread pattern that includes a plurality of tread blocks having differing circumferential shear stiffness values. The tread pattern also includes a plurality of sub-surface features that are operatively associated with at least some of the tread blocks. The combination of a tread block and a sub-surface feature can alter the circumferential shear stiffness value of tread block to thereby tune the tread pattern. A method of manufacture is also included.
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