Acoustics – Sound-modifying means – Sound absorbing panels
Patent
1982-09-02
1984-01-31
Fuller, Benjamin R.
Acoustics
Sound-modifying means
Sound absorbing panels
181291, 181295, 52144, 52484, E04B 182
Patent
active
044284543
ABSTRACT:
An acoustical panel construction which, in its preferred form, comprises a preformed body portion or shell, the outwardly extending edges of which are formed of thin, but dense, acoustical material. The density, thickness and configuration of the edges provides the necessary rigidity and structural strength to enable a panel formed from the body portion or shell to be properly edge supported on, and conform to, a grid system. The body portion or shell advantageously is formed with a central area of acoustical material which is thicker, but less dense than the edge areas, to enhance the acoustical properties of the finished panel. The body portion or shell is adapted to receive a sheet or layer of an acoustical material having a preselected density and thickness such that the finished panel will be able to meet the sound absorption and resistance to fire, among other demands, of the environment in which the panel is installed. The sheet or layer of acoustical material desirably is bonded to the acoustical material comprising the central area of the shell, and advantageously is provided with a metallic film or foil backing. The exposed surface of the shell has a facing material adhered thereto which imparts both decorative and added functional features to the finished panel. Septa may be incorporated in the panel construction to improve the acoustical properties of the panel, and to inhibit the passage of dirt-laden air through the panel.
REFERENCES:
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patent: 3265154 (1966-08-01), March
patent: 3422920 (1969-01-01), Greason et al.
patent: 3581453 (1971-06-01), Jones et al.
patent: 3782495 (1974-01-01), Nassoy
patent: 4040213 (1977-08-01), Capaul
patent: 4248325 (1981-02-01), Georgopoulos
Capaul Barry D.
Capaul Raymond W.
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