Patent ID: 7393494
Filing Date: 2008-07-01
Classification: B29C

Abstract:
1. A mold component configured for use with a base mold in a closed molding process to form a composite part, said mold component comprising: a reusable flexible body structure formed of at least one material selected from the group consisting of polyurea, polyurethane, a polyure/polyurethane compound and mixtures thereof, said flexible body structure including a perimeter region, an interfacing surface, and having integrally formed therewith: at least one resin distribution channel extending across the interfacing surface and at least one vacuum distribution channel; a perimeter seal extending from said body structure for sealing engagement with said base mold to enclose said composite part between said body structure and said base mold; and at least one vacuum output port in fluid communication with each of said vacuum distribution channels and said perimeter seal thereby providing a first vacuum along said seal to assist said sealing engagement and an independent second vacuum across said interfacing surface to assist resin distribution between said body structure and said base mold.