DUAL DOME CONVEX TIRE TREAD BLOCK OR TREAD RIB
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United States of America Patent
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Mar 22, 2016
filing date -
Mar 23, 2015
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Abstract
Different sized, first and second domes are stacked, one atop the other on the surface of a rib or tread block of a tire. The lower, first dome spans a larger area of the tread. In one embodiment, the first dome covers the entire tread block or extends laterally across a rib. The upper, second dome is located on top of the first dome and spans only a portion of the first dome. The domes are either concentric or offset, or can be elliptical with the major axes of the ellipses oriented such that the major axes are optimized for a specific tread block or rib geometry. The major axes of the ellipses may be oriented parallel to or perpendicular to an axis of stiffness of the tread block or rib.
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