Article of footwear incorporating foam-filled elements and methods for manufacturing the foam-filled elements
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United States of America Patent
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May 1, 2018
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N/A
app pub date -
Jun 20, 2016
filing date -
Jul 13, 2007
priority date (Note) -
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Abstract
An article of footwear may have an upper and a sole structure secured to the upper. The sole structure has a plurality of support elements, and each of the support elements include a shell and a core. The shell defines an interior void and is formed from a polymer material that extends around substantially all of the void. The core has a shape of the void and is located within the void, with at least a portion of the core being a polymer foam material. The polymer foam material of at least two of the support elements may have different densities.
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