Patent ID: 7988093

Claim:
A window frame for installation in the exterior shell of an aircraft, comprising: at least one outer flange having a varying thickness in different radial regions; at least one inner flange; at least one vertical flange arranged generally perpendicular to and between the at least one outer flange and the at least one inner flange; wherein the at least one outer flange is attachable to the aircraft structure; wherein on the at least one inner flange, a window element to be held is attachable, which is held via the at least one vertical flange; wherein at least one of the at least one outer flange, at least one inner flange, and at least one vertical flange comprises a fiber-reinforced resin and is manufactured from a semi-finished part, which comprises a combination of fiber bundles and web layers; and wherein the at least one vertical flange comprises 0° /90° web layers, the at least one outer flange comprises 0° web layers and the at least one inner flange comprises a web layer of 0° winding core; wherein the at least one vertical flange has a first outer end region, a second outer end region, and a central region positioned and extending between the first and second outer end regions, the central region including only the 0° /90° web layers.