Method of manufacturing a structure comprising a skin and stiffeners

A method of manufacturing a structure, in particular an aircraft fuselage of composite materials comprising a skin (2) and V-section members fastened to the skin (2) referred to as stiffeners (4). The method comprises a step of positioning punches on a mandrel in order to form channels between the p...

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Bibliographische Detailangaben
1. Verfasser:	BLOT PHILIPPE
Format:	Patent
Sprache:	eng
Schlagworte:	AEROPLANES AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AIRCRAFT AVIATION COSMONAUTICS DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR HELICOPTERS INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method of manufacturing a structure, in particular an aircraft fuselage of composite materials comprising a skin (2) and V-section members fastened to the skin (2) referred to as stiffeners (4). The method comprises a step of positioning punches on a mandrel in order to form channels between the punches. The channels are disposed in at least two networks (6a, 6b, 6c), each channel of the same network (6a, 6b, 6c) meeting at least one channel of another network at a node (8). The method also comprises a step of positioning preforms for stiffeners in the channels such that at least two stiffeners (4) meet at said node (8) and a step of injecting resin so as to assemble the stiffeners (4). A structure made as a single piece is thereby obtained.