Patent ID: 6666297
Filing Date: 2003-12-23
Classification: F02B

Abstract:
An acoustic shielding article comprising:(a) a shaped thermoplastic element, said shaped thermoplastic element having a surface that faces a source of sound; and (b) an inlay element having substantially opposed first and second surfaces, at least one of said first and second surfaces of said inlay element being fixedly joined to said shaped thermoplastic element, said inlay element being fabricated from metal, wherein said shaped thermoplastic element is formed by means of injection molding thermoplastic material onto at least one of said first and second surfaces of said inlay element, a portion of the thermoplastic material of said shaped thermoplastic element extends through at least some of said perforations, the edges of said perforations being embedded in the thermoplastic material extending therethrough, thereby fixedly joining said inlay element to said shaped thermoplastic element.