Auxetic soles with corresponding inner or outer liners
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United States of America Patent
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Jan 31, 2017
Grant Date -
Sep 3, 2015
app pub date -
Mar 10, 2015
filing date -
Sep 18, 2013
priority date (Note) -
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Abstract
A material that includes at least one layer made of an auxetic structure and articles of footwear having soles comprising the materials. When the material is under tension, it expands in both the direction under tension and in the directional orthogonal to the direction under tension. The articles of footwear have soles that have at least one layer made of a material that has a pattern of sole elements with apertures. The sole elements have may rotate with respect to each other when the sole is under lateral or longitudinal tension, thus increasing the lateral and longitudinal dimensions of the sole. One or more auxetic or flat liners may be used to prevent entry of debris into the apertures.
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