E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
20/23.6
E04B 1/86 (2006.01)
Patent
CA 1210214
Title: SOUND ATTENUATING PARTITION Abstract of the Disclosure: The sound attenuation of building partitions having a cavity between opposing panels thereof is enhanced by a bowed blanket of mineral fibers in said cavity. The apex of the bow is in compressive contact with one of the panels so that sound waves passing into a panel are dampened before they reach the panel on the opposite side of the partition. The bowed blanket is particularly effective in the fre- quency range wherein the coincidence effect is trouble- some.
445440
Company United States Gypsum
Macrae & Co.
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