Sound absorption barriers

Details Sound absorption barriers Sound absorption barriers

E - Fixed Constructions

01

F

91/1, 181/14

E01F 8/00 (2006.01) G10K 11/16 (2006.01)

Patent

CA 1303889

ABSTRACT The present invention aims at providing a sound barrier member that will enable a sound barrier to be constructed that provides good prevention of sound transmission as well as prevention of sound reflection while remaining relatively inexpensive to produce, the sound barrier member comprising an enclosure in a generally panel like configuration having a rectangular outer perimeter adapted to engage with other similar members to produce a sound barrier, the enclosure being formed by a front panel (10) and a rear panel unit (16) defining an enclosed space therebetween, the front panel (10) having a plurality of openings (12) in a desired shape and array allowing sound transmission into the enclosed space, a sound absorbing material (25) being positioned in the enclosed space overlying at least the openings in the front panel (10) and being spaced forwardly of the rear panel unit (16), the sound absorbing material (25) having at least one sound absorbing bath (28,29) of fibreglass mat construction and a layer of solid plastics material (31) on a rearward face of at least one batt whereby a space is left between the layer of solid plastics material and the rear panel unit (16).

597935

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