Acoustical panel

Details Acoustical panel Acoustical panel

1989-04-06

1990-02-20

Friedman, Carl D.

Static structures (e.g., buildings)

With exposed configuration having acoustical function

Absorbing material behind foraminous facing sheet

52823, 52484, 181291, 29462, E04B 182

Patent

active

049014854

ABSTRACT:
An acoustical panel, for ceilings or for area separation, and the method of making such panels, wherein the panel consists essentially of a unitary frame consisting of four sides, each with an inwardly opening channel, an outwardly opening rebend and a downwardly extending flange, the panel further including a rigid gypsum board with edges filling the frame channel, a low density sound absorbing mat within the confines of the downwardly extending flanges, and a porous fabric facing concealing the acoustical mat and affixed to the frame by disposing the fabric edges in the outwardly opening rebends and crimping the rebends tightly closed.

REFERENCES:
patent: 2192653 (1940-03-01), Schenk
patent: 3706171 (1972-12-01), Shayman
patent: 3712846 (1973-01-01), Daniels et al.
patent: 4194329 (1980-03-01), Wendt
patent: 4283891 (1981-08-01), Moeller
patent: 4291783 (1981-09-01), Harris
patent: 4423573 (1984-01-01), Omholt et al.
patent: 4428454 (1984-01-01), Capaul et al.

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