Method for repairing an external skin of a composite structure

Details Method for repairing an external skin of a composite structure Method for repairing an external skin of a composite structure

B - Operations, Transporting

29

C

B29C 73/04 (2006.01) B29C 73/32 (2006.01) B32B 3/12 (2006.01) B32B 43/00 (2006.01) B64F 5/00 (2006.01) H01Q 1/42 (2006.01)

Patent

CA 2625797

The invention concerns a composite structure consisting of two outer skins (2, 3) and an inner core (1) therebetween, wherein a portion (6) of one of the outer skins (2) must be replaced, with pressure of a backing block (8) and suction. The repair is carried out by drilling a venting hole (14) in the opposite outer skin (3) to evacuate the air in the cells of the core (1), thereby enhancing the bonding of the new portion (6) on the core (1).

Une structure composite est composée de deux peaux externes (2, 3) et d'une âme interne (1) entre elles, où une portion (6) d'une des peaux externes (2) doit être remplacée, avec pression d'une contre-forme (8) et aspiration. La réparation est accomplie en perçant un trou d'évent (14) dans la peau externe opposée (3) pour évacuer l'air dans les alvéoles de l'âme (1), ce qui améliore le collage de la portion neuve (6) sur l'âme (1).

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