Acoustical panel

Details Acoustical panel Acoustical panel

E - Fixed Constructions

04

B

181/14

E04B 1/99 (2006.01) E04B 1/84 (2006.01) E04B 1/86 (2006.01)

Patent

CA 1125179

Abstract An acoustical panel for reducing acoustic noise is disclosed. The panel is comprised of a corrugated sheet of material. The sheet of material has a generally parabolic-sinusoidal configuration forming a plurality of corrugations. The corrugations extend in a first direction and form a plurality of peaks and valleys. At least one side of the panel has a surface adapted to face a source of acoustical noise. The surface acoustically diffuses acoustic waves striking the surface and causes acoustic wave interference to occur. The acoustic panel has a transaxial stiffness-compliance such that the panel is permitted to pump when low frequency acoustic energy is applied to the panel for the purpose of dissipating acoustic energy.

328054

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