In the process for producing closed moulded articles with integrated stiffeners, an elastic mat (4) which contains the geometry of the stiffeners (11) in negative form is laid around a winding core (5). Uncured stiffeners (11) are introduced into the mat (4) and a resin-impregnated continuous filament (12) is wound thereabove as skin. After removal of the winding core (5) this structure is cured under vacuum against a mould cavity (2). <IMAGE>
