Patent ID: 8329077
Filing Date: 2012-12-11
Classification: B29C,B29D,B29L,Y02T

Abstract:
1. A method for assembling a jig and preforms for producing cured preforms of an aircraft fuselage frame, which comprises assembling jig-components and preforms so that said jig components are assembled to contain cavities shaped to hold said preforms and preforms are located in said cavities, said preforms comprising 1) at least one C shaped preform having an inner surface and outer surface, 2) at least one L shaped angular preform having two limbs, said L-shaped preform adjoining the said C shaped preform, 3) at least one stabilization rib for stabilizing the frame and 4) at least one additional preform in a junction between the C shaped preform and the L shaped angular preform, wherein said jig further comprises an injector for injecting resin into said cavities and heater for curing resin in said cavities, a vacuum system allowing shaping of preforms by applying vacuum and heat and a closing system.