The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 2011
Filed:
Mar. 21, 2007
Alberto Ramón Martínez Cerezo, Madrid, ES;
Aquilino García García, Madrid, ES;
Yolanda Miguez Charines, Madrid, ES;
Patricia Tabares Fernandez, Madrid, ES;
Alberto Ramón Martínez Cerezo, Madrid, ES;
Aquilino García García, Madrid, ES;
Yolanda Miguez Charines, Madrid, ES;
Patricia Tabares Fernandez, Madrid, ES;
Airbus España, S.L., Madrid, ES;
Abstract
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.