Particulate sound barrier and sound absorption/insulation board thereof
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United States of America Patent
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Mar 28, 2017
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N/A
app pub date -
Dec 31, 2015
filing date -
Sep 30, 2014
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Abstract
A particulate sound absorption board used for sound absorption surface layer of sound absorption/insulation board is a micropore particle board formed by splicing skeleton particles and filling particles which are covered with binding agent on the surface and have small angularity coefficient. The particulate sound insulation board used for sound insulation surface layer of sound absorption/insulation board is a compressed board formed by closely splicing skeleton particles, filling particles, binding agent and coupling agent, and there is a resonance sound absorption cavity that functions together with sound absorption surface layer in the board body. The particulate sound barrier consists of column and more than two overlapped sound absorption/insulation boards fixed between adjacent columns. A convex-concave joint end face is set on the sound absorption/insulation board, and the sealing cushion is bound between adjacent end faces.
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