Sound-absorbing panel

Details Sound-absorbing panel Sound-absorbing panel

1977-09-26

1979-03-13

Murtagh, John E.

Static structures (e.g., buildings)

With exposed configuration having acoustical function

Absorbing material behind foraminous facing sheet

52397, 181290, E04B 186

Patent

active

041434951

ABSTRACT:
A sound-absorbing panel having a front and a rear sheet, the front sheet being corrugated and perforated; a filler of particles of elastic material lies between the sheets.

REFERENCES:
patent: 2079878 (1937-05-01), Sabine
patent: 2423199 (1947-07-01), Milnor
patent: 3224155 (1965-12-01), Rook
patent: 3384199 (1968-05-01), Eckel
patent: 3948009 (1976-04-01), Bernhard

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