Flexible sheet materials for tensioned structures, a method of making such materials, and tensioned false ceilings comprising such materials
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United States of America Patent
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Dec 9, 2014
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app pub date -
Apr 28, 2009
filing date -
Mar 20, 2000
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Abstract
A flexible sheet material of thickness less than half a millimeter for making tensioned structures such as false ceilings, in particular, the material including microprojections formed by displacing the material from which it is made, said material presenting an acoustic absorption coefficient which is higher than that of the same material without said projections.
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