Window frame for aircraft

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 1/14 (2006.01)

Patent

CA 2564173

With a window frame (1) for installation in the exterior shell (5) of an aircraft, which comprises at least one outer flange (2), an inner flange (3), and a vertical flange (4) arranged perpendicular to and between these flanges and in which on the inner (3) and vertical flanges (4), a window element (7, 8) to be held is attached, which is fixed in its position with a down holder (10) connected with the window frame (1), the downholder (10) comprises a fiber-reinforced synthetic resin material. The layer structure of the downholder corresponds to a quasi-isotropic plate and a semifinished part comprising web and thermoplastic material is made as a quasi-isotropic sheet material and this is transformed in a deep drawing process into the net shape of the downholder.

L'invention concerne un cadre de hublot (1) destiné à être installé dans le revêtement extérieur d'un aéronef. Le cadre de hublot comprend au moins une bride externe (2); une bride interne (3); et une bride verticale (4) disposée perpendiculairement à et entre ces deux brides. Un élément de fenêtre (7, 8) à maintenir est fixé en position sur la bride interne (3) et la bride verticale (4) avec un organe de maintien par pression (10) rattaché au cadre de hublot (1). L'organe de maintien par pression (10) comprend un matériau en résine synthétique renforcé de fibres. La structure en couches de l'organe de maintien par pression correspond à une plaque quasi-isotrope, et une pièce semi-finie comprenant un matériau d'âme thermoplastique est réalisé sous la forme d'un matériau en feuille quasi-isotrope, et un procédé de formage profond est utilisé pour transformer l'ensemble et lui conférer la finition immédiate de l'organe de maintien par pression.

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