Method of molding a shaped article on a heated and insulated molding tool

摘要

A method of molding a shaped article includes the steps of providing a molding tool having an exposed surface for receiving a plastic powder resin to be melted thereagainst and an insulated surface; providing an insulating panel with insulated laminated alternating layers of fiberglass and silicone rubber and an inner core filled with silicone rubber and a plurality of hollow glass beads to prevent melting of plastic powder resin on the insulated surface; applying a plastic powder resin on the exposed mold surface and melting it thereon while exposing the insulating panel to the plastic powder resin remaining in powder form thereon for reclaiming and thereafter setting said melted plastic into a plastic article by cooling the plastic article and removing it from the molding tool.