Patent ID: 8746397
Filing Date: 2014-06-10
Classification: A61F,B29C,B29K,B32B,G10K,H04R,Y10T

Abstract:
1. A composite foam cushion for a sound control device to be placed against the head or ear of a user, the composite foam cushion comprising: a core formed of a polymeric foam material; and a polymeric coating applied to at least a portion of the core of polymeric foam material, the polymeric coating including: an inner polymeric coating layer positioned around at least a portion of the core of polymeric foam material, the inner polymeric coating layer formed of a polymeric composition including a crosslinker; and an outer polymeric coating layer disposed over at least a portion of the inner polymeric coating layer, the outer polymeric coating layer formed of a polymeric composition including a crosslinker; wherein the inner polymeric coating layer is less crosslinked than the outer coating layer.