Airbus Espana, S.l.

Patricia Tabares Fernandez

Yolanda Miguez Charines

Aquilino García García

Alberto Ramón Martínez Cerezo

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.

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Madrid, Spain

Patricia Tabares Fernandez