Earguard sealing system I: multi-chamber systems
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United States of America Patent
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Jul 17, 2012
Grant Date -
Dec 4, 2008
app pub date -
May 5, 2008
filing date -
May 4, 2007
priority date (Note) -
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Abstract
Multi-chamber coatings are provided. The multi-chamber coating includes a first medium and a second medium. The first medium covers at least a first portion of the second medium so as to form first and second chambers. At least one material property of the first medium is different than the second medium. The first chamber and the second chamber share a wall. The wall is configured to apply a restorative force upon deformation of the first or second chambers. The coating is configured to be attached to an object that is configured to be inserted into an orifice.
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