Cushioning elements comprising elastomeric material and methods of forming same
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United States of America Patent
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Jul 22, 2014
Grant Date -
Nov 1, 2012
app pub date -
Apr 24, 2012
filing date -
Apr 27, 2011
priority date (Note) -
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Abstract
Cushioning elements include a porous foam comprising a series of interconnected cell walls and an elastomeric material formed over at least a portion of the interconnected cell walls. The porous foam is configured to allow gases to pass through at least a portion thereof. Methods of forming cushioning elements may include coating interconnected cell walls of a breathable porous foam with a liquid comprising an elastomeric material, solidifying at least a portion of the elastomeric material, and providing a gas path through the elastomeric material. Other methods include pressing sheets of foam together at a pinch point, disposing a liquid between the foam over the pinch point, coating the foam with the liquid, and separating the sheets beyond the pinch point. Some methods include consolidating a plurality of portions of porous foam into a continuous cushioning material.
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