Sound attenuating partitions and acoustical doors

Details Sound attenuating partitions and acoustical doors Sound attenuating partitions and acoustical doors

1985-07-10

1986-11-11

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Sound absorbing panels

181287, 181288, 181290, E04B 182

Patent

active

046217096

ABSTRACT:
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.

REFERENCES:
patent: 2285423 (1942-06-01), Esser
patent: 2671522 (1954-03-01), Bourgeois
patent: 3020184 (1962-02-01), Cubberley et al.
patent: 3121262 (1964-02-01), Loncoske
patent: 3295273 (1967-01-01), Wehe, Jr.
patent: 3319738 (1967-05-01), Wehe, Jr.
patent: 3462899 (1969-08-01), Sherman
patent: 3652360 (1972-03-01), Hartman et al.
patent: 4045913 (1977-09-01), Wright
Measurements in Building Acoustics, Bruel & Kjaer, Instruments, Inc., 1980.
Test Report of Cal-Wood Door, Test RAL-TL85-24, Riverbank Acoustical Laboratories of IIT Research Institute, 2/21/85.

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