US Patent 7374715 Co-cured resin transfer molding manufacturing method

According to one embodiment of the invention, a co-cured resin transfer molding manufacturing method includes providing a tool having one or more tooling details and disposing one or more preforms proximate the one or more tooling details. The one or more preforms are either dry or binderized. The method further includes disposing a high permeability medium outwardly from the one or more tooling details, disposing a prepreg skin panel outwardly from the high permeability medium, disposing the one or more tooling details and the prepreg skin panel within the tool, injecting a resin into the one or more preforms, and curing the one or more preforms and the prepreg skin panel.