Sound attenuating partition

Details Sound attenuating partition Sound attenuating partition

1982-12-22

1984-12-11

Griffin, Donald A.

Acoustics

Sound-modifying means

Sound absorbing panels

E04B 182

Patent

active

044872917

ABSTRACT:
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 frequency range wherein the coincidence effect is troublesome.

REFERENCES:
patent: 1807395 (1931-05-01), Ellis
patent: 1925453 (1933-09-01), Mazer
patent: 2177393 (1939-10-01), Parkinson
patent: 3611653 (1971-10-01), Zinn
patent: 4016234 (1977-04-01), Warren et al.

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