Patent ID: 9631361
Date: 2017-04-25
CPC Classifications: B32B,B44C,E04B,E04F,Y10T

Claim:
1. A sound attenuating laminated panel comprising: a core, wherein the core comprises one selected from the group consisting of fiberboard and particleboard; a layer positioned on at least one side of the core, wherein the layer comprises an elastomeric material in the form of a film or a coating, wherein the layer includes an upper portion and a bottom portion; a thin sound absorbing adhesive film pre applied on the upper portion of the layer and bottom portion of the layer; and wherein said elastomeric material comprises at least one material selected from the group consisting of polyurethane, styrene acrylic copolymers, rubber based materials selected from NBR (nitrile butadiene), SBR (styrene butadiene), and CR (chloroprene), and natural or synthetic rubber based materials.