A surface type structural component such as a wing for an aircraft is curved in space and is manufactured from a plurality of fiber wound box frames forming longitudinal and cross ribs made of fiber reinforced resin impregnated material. These box frames are formed as modular units by winding the fiber...http://www.google.de/patents/US4512837?utm_source=gb-gplus-sharePatent US4512837 - Apparatus for making a surface type structural component, especially for aircraft
