Acoustical sound proofing materials and methods of making the same
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United States of America Patent
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Jul 21, 2015
Grant Date -
Feb 20, 2014
app pub date -
Oct 24, 2013
filing date -
Jun 7, 2010
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Abstract
A laminated structure comprises a first external layer and a second external layer; an internal layer disposed between the first and the second external layers; a first adhesive layer disposed between the first external layer and the internal layer, wherein the first adhesive layer is patterned to cover only a first portion of the internal layer; and a second adhesive layer disposed between the second external layer and the internal layer, wherein the second adhesive layer is patterned to cover only a second portion of the internal layer on a side opposite the first adhesive layer, and wherein the first portion is different than the second portion.
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