Patent ID: 6787246
Filing Date: 2004-09-07
Classification: B29C,B29K,B29L,B32B,Y10T

Abstract:
Articles consisting of bodies of composite materials comprising finely powdered filler material particles distributed in a polymer matrix;wherein each body comprises a composite mixture of filler material particles and the balance polymer, the polymer being one which is soluble in a volatilizable solvent that has been volatilized from the mixture; wherein each body comprises a stack of a plurality of united thin coherent layers in number sufficient to provide a unitary body of the desired thickness; and wherein the body has been formed from the stack of thin coherent layers by subjecting the stack to a temperature sufficient to melt the polymer and to a pressure sufficient to unite the thin coherent layers into a unitary body and disperse the melted polymer into the interstices between the filler material particles.