AIR PERMEABLE CUSHIONING STRUCTURE
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United States of America Patent
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Issued Date -
Mar 10, 2016
app pub date -
Dec 29, 2014
filing date -
Sep 5, 2014
priority date (Note) -
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Abstract
An air permeable cushioning structure contains: a first elastic layer, a second elastic layer, and a third elastic layer. The first elastic layer has plural first plastic threads irregularly wound therein, a wound connection portion of any two first plastic threads is melted together, and a disconnection portion of any two first plastic threads has a first pore formed thereon. The second elastic layer has plural second plastic threads irregularly wound therein, a wound connection portion of any two second plastic threads is melted together, and a disconnection portion of any two second plastic threads has a second pore formed thereon. The third elastic layer has plural third plastic threads irregularly wound therein, a wound connection portion of any two third plastic threads is melted together, and a disconnection portion of any two third plastic threads has a third pore formed thereon.
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