Northrop Grumman Systems Corporation

Denise M Shimazu

Chi Hsien Sheu

Christopher H Husmann

David Michael Kane

According to one embodiment of the invention, a co-cured vacuum-assisted resin transfer molding manufacturing method includes providing a tool base, disposing a prepreg skin panel outwardly from the tool base, disposing one or more tooling details outwardly from the prepreg skin panel, 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 between the one or more tooling details and the one or more preforms, enclosing the prepreg skin panel, the one or more tooling details, the one or more preforms, and the high permeability medium with at least one vacuum bag, pulling a vacuum on the vacuum bag, infusing the one or more preforms with a resin, and curing the one or more preforms and the prepreg skin panel.

Co-cured vacuum-assisted 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.

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Los Angeles, CA, United States of America

Denise M Shimazu