Patent ID: 7211206
Filing Date: 2007-05-01
Classification: B29C,B30B

Abstract:
1. A system for providing shape, surface features, or both, to a moldable material, comprising: at least two first opposed flat endless upper and lower belts attached to a first set of rollers and spaced apart a first distance, each having an inner surface and an outer surface, wherein the outer surface of each of the upper and lower belts is supported by a rigid supporting surface; at least two second opposed flat endless belts disposed substantially orthogonal to the first two opposed endless belts and spaced apart a second distance, each having an inner surface and an outer surface; at least two endless opposing profile mold belts attached to a second set of rollers, each profile mold belt having an inner and an outer surface, each of the outer surfaces in partial contact with the inner surfaces of the first opposed flat endless belts; a mold cavity defined at least in part by the at least two endless opposing profile mold belts; and a drive mechanism for imparting motion to at least two of the opposed flat endless belts.