Airbus Espana, S.l.

Airbus Operations Sl

Alberto Ramón Martínez Cerezo

Elena Arévalo Rodríguez

Yolanda Miguez Charines

Jorge Juan Galiana Blanco

Aquilino García García

Julián Sánchez Fernández

Francisco Javier Jordán Carnicero

Patricia Tabares Fernandez

Javier Jordán Carnicero

A process for manufacturing stiffened structures () in composite materials formed by an outer coating () and a plurality of stiffeners () the cross-section of which has a closed form delimiting an inner opening (), comprising the following steps: a) Providing a shaping tool (); b) Providing auxiliary male tools () with an inert material inside them coated with membranes suitable for curing c) Providing stiffeners () in fresh or cured condition; d) Arranging the stiffeners () in the tool () and the auxiliary male tools () in their inner openings (); e) Laminating the outer coating (); f) Curing the stiffened structure () with high temperature and pressure; g) Removing the auxiliary male tools () after reducing their volume by withdrawing the inert material thereof; h) Separating the cured stiffened structure () from the tool (). The invention also relates to the auxiliary male tools.

Process for manufacturing composite material structures with collapsible tooling

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Madrid, Spain

Alberto Ramón Martínez Cerezo