FOAM FOR FOOTWEAR MIDSOLE AND THE LIKE
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United States of America Patent
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Issued Date -
Dec 26, 2013
app pub date -
Jun 21, 2013
filing date -
Jun 21, 2012
priority date (Note) -
Abandoned
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Abstract
Embodiments herein provide high performance foam formulations and processing methods that address issues with traditional ethylene vinyl acetate (EVA) foams. In various embodiments, when used in midsoles, the high performance foam formulations may provide superior impact energy absorption per given load during compression, improved energy recovery during expansion, and reduced compression set over repeated impact cycles. In various embodiments, the high performance foam formulations may include a mixture of no more than about 75 PHR EVA foam and at least 15 PHR polyolefin foam.
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