Sound absorbing panel

Details Sound absorbing panel Sound absorbing panel

1975-11-14

1978-04-18

Bell, J. Karl

Static structures (e.g., buildings)

Opaque stonelike module

With layered stonelike components

181292, E04B 228

Patent

active

040843661

ABSTRACT:
A movable, prefabricated wall panel having a rigid rectangular frame. A core structure is disposed within the region bounded by the frame, which core structure comprises at least one honeycomb layer. Sheetlike skins are fixedly secured to opposite sides of the frame and extend across the region bounded by the frame for confining the honeycomb layer therebetween. A plurality of small openings are formed in either or both of the skins so that approximately a single opening will communicate with a single cell as defined by the honeycomb layer. The opening and the cell are of a preselected size so as to function as a sound absorbing chamber. The sheetlike skins are also covered by a layer of fibrous sound absorbing material, preferably fiberglass.

REFERENCES:
patent: 3226902 (1966-01-01), Elmendorf
patent: 3380552 (1968-04-01), Segil et al.
patent: 3439774 (1969-04-01), Callaway et al.
patent: 3501367 (1970-03-01), Parker
patent: 3616139 (1971-10-01), Jones
patent: 3670843 (1972-06-01), Kelly et al.
patent: 3769767 (1973-11-01), Scott
patent: 3819007 (1974-06-01), Wirt
patent: 3895152 (1975-07-01), Carlson et al.
patent: 3910374 (1975-10-01), Holehouse
patent: 3983955 (1976-10-01), Vasiljevic

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