Sound attenuating partitions and acoustical doors

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United States of America Patent

PATENT NO 4621709
SERIAL NO

06753703

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Abstract

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A sound attenuating partition or door construction which includes outside rigid panels having significantly different thicknesses, a void being left between the panels, a sheet characterized as a limp mass loosely hung within the void, and grooves cut into an inner surface of at least one of the outside panels in order that the void serves as a sound absorbing anechoic chamber.

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Patent Owner(s)

Patent OwnerAddress
WEYERHAEUSER COMPANYTACOMA WA 98477

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Naslund, Edwin N Santa Rosa, CA 2 33

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