| 20080277839 | Co-Injection Molding System, Method of Injection Molding a Composite Structure and Article Formed Thereby - A system, a method and an article made thereby are disclosed relating to the formation of a hollow structural plastic molded member having an exterior surface of a first plastic material and an inner layer of a second different structural plastic material which extends about an elongate hollow cavity. A representative example illustrates a railing member such as a spindle or post of a first thermal plastic outer appearance layer and an internal structural layer of fiber filled thermoplastic material extending about an elongate hollow cavity. | 11-13-2008 |
