Patent ID: 7661508
Filing Date: 2010-02-16
Classification: B29C,B29K,B29L,H04R

Abstract:
1. A speaker box comprising: an outer layer of a cured sheet molding compound; an inner layer of a cured sheet molding compound, wherein the outer and inner layers of the cured sheet molding compound are contoured to define an interior space to receive speaker components; a sound absorbing layer, having a compression threshold along a first direction that is more than a compression threshold along a second direction that is generally perpendicular to the first section, interposed between the outer and inner layers of the cured sheet molding compound; a continuous adhering layer interposed between the outer layer and the inner layer, wherein the continuous adhering layer is formed under a selected pressure below the compression threshold of the sound absorbing layer along the first direction, wherein the continuous adhering layer reduces errant sound vibrations.