Acoustic absorber and method for absorbing sound

Details Acoustic absorber and method for absorbing sound Acoustic absorber and method for absorbing sound

E - Fixed Constructions

04

B

181/17

E04B 1/84 (2006.01) G10K 11/00 (2006.01) G10K 11/16 (2006.01)

Patent

CA 1061257

ABSTRACT OF THE DISCLOSURE An acoustic absorber and a method for absorbing sound utilize a substrate having a plurality of opening therethrough. An organic polymer coating covers the substrate and partially fills the openings in the substrate to form an acoustic absorber having a porosity not greater than 60 CFM/ft2.

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