Method of fabricating a part out of reinforced composite material, and a method of repairing such a part

US8790487B2 · kind B2 · utility

Assignees

• AIRBUS HELICOPTERS DEUTSCHLAND GMBH · DE
• EADS Deutschland GmbH · DE

Inventors

• Christian Weimer · Munich, DE
• Nikolaus Bätge · Deisenhofen, DE
• Hans Luinge · Munich, DE
• Georg Wachinger · Rosenheim, DE
• Patricia Parlevliet · Birkenfeld, DE

Key dates

• Filing date: Jan 17, 2011
• Grant date: Jul 29, 2014
• Expiry date: Mar 25, 2032

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29K2105/06
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

The present invention relates to a method of fabricating a composite part presenting an integral structure of composite material comprising at least one reinforcing layer based on reinforcing fibers, fabrics, or textiles, and at least one impregnation matrix, the method consisting in assembling the integral structure, in placing said integral structure in a mold, in impregnating said integral structure with the impregnation matrix by injection or infusion, and in solidifying said impregnated integral structure by raising it to a determined temperature, the method being characterized in that it consists in: using at least two distinct primary parts for making up the integral structure; placing a thermoplastic sheet on at least one of the primary parts so as to make the interface between said primary parts once they are assembled together.