Acoustical panel having a honeycomb structure and method of...

Details Acoustical panel having a honeycomb structure and method of... Acoustical panel having a honeycomb structure and method of...

C - Chemistry, Metallurgy

04

B

25/111, 181/16

C04B 38/10 (2006.01) B28C 5/38 (2006.01) B32B 13/04 (2006.01) C04B 28/00 (2006.01) C04B 28/02 (2006.01) C04B 28/14 (2006.01) E04B 1/86 (2006.01) E04B 9/00 (2006.01) E04B 9/04 (2006.01) E04C 5/07 (2006.01) G10K 11/162 (2006.01) B28B 5/02 (2006.01) E04B 1/84 (2006.01)

Patent

CA 2320639

An acoustically absorbent porous panel with a layer constructed from a substantially continuous open-celled porous material comprising a cured foamed cementitious material including a first face and a second face. The first face has a surface with a substantially planar profile and the second face has a substantially geometric pattern of depressions formed therein comprising approximately 50% to approximately 90% of the layer by volume.

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