Window frame for aircraft

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 1/14 (2006.01)

Patent

CA 2565495

A window frame (1) for installation in the exterior shell (5) of an aircraft comprises at least one outer flange (2), an inner flange (3), and a vertical flange (4) arranged perpendicular to and between these flanges, whereby the connection with the aircraft structure takes place via the outer flange (2) and whereby on the inner flange (3), a window element to be held is attached, which is held via the vertical flange (4). The window frame (1) comprises resin reinforced with fiber web semifinished parts, whereby the progression of the layers of the webs in the three regions of the outer flange, inner flange, and vertical flange, respectively, follow the mechanical load direction. For manufacturing, a semifinished part (10) made from reinforced web (20, 21, 22) is inserted into a molding tool (11), in which, under pressure and temperature, resin is injected, and the component made in this manner is hardened subsequently in the molding tool.

L'invention concerne un encadrement de hublot (1) destiné à être installé au niveau de la coque extérieure (5) d'un avion. Ledit encadrement comprend au moins un rebord extérieur (2), un rebord intérieur (3), et un rebord vertical (4) conçu perpendiculairement à et entre lesdits rebords, la liaison avec la structure d'avion se faisant via le rebord extérieur (2), un élément de hublot destiné à être maintenu étant fixé sur le rebord intérieur (3), ledit hublot étant retenu via le rebord vertical (4). L'encadrement de hublot (1) comprend des éléments semi-finis constitués de bandes et de résine renforcée par des fibres, la progression des couches de toiles au niveau des trois zones du rebord extérieur, du rebord intérieur et du rebord vertical, respectivement, suivant la direction de charge mécanique. Pour la fabrication, un élément semi-fini (10) constitué de bandes renforcées (20, 21, 22) est inséré dans un outil de moulage (11), dans lequel, à une certaine pression et à une certaine température, une résine est injectée et le composant ainsi fabriqué est durci ultérieurement dans l'outil de moulage.

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