Devices with internal flexibility sipes, including siped chambers for footwear
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United States of America Patent
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Oct 23, 2012
Issued Date -
N/A
app pub date -
May 18, 2007
filing date -
Nov 22, 2004
priority date (Note) -
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Abstract
Devices with internal flexibility sipes, such as slits, provide improved flexibility, improved cushioning to absorb shock and/or shear forces, and improved stability of support. Siped devices can be used in any existing product that provides or utilizes cushioning and stability. These products include human and other footwear, both soles and uppers, as well as orthotics; athletic, occupational and medical equipment and apparel; padding or cushioning, such as for equipment or tool handles, as well as furniture; balls; tires; and any other structural or support elements in a mechanical, architectural, or any other product.
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