A stiffening element and a method for manufacturing of a stiffening element

The present invention relates to a stiffening element (1) and a method for manufacturing of a stiffening element (1) of composite material, which stiffening element (1) is provided for attachment to a curved shell surface (9). A substantial flat blank (29) of composite material comprising a first (1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PETERSSON, MIKAEL, WEIDMANN, BJOERN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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:	The present invention relates to a stiffening element (1) and a method for manufacturing of a stiffening element (1) of composite material, which stiffening element (1) is provided for attachment to a curved shell surface (9). A substantial flat blank (29) of composite material comprising a first (13) and a second (15) essentially parallel elongated edge is provided for forming in the web (3) of the stiffening element (1) at least one rounded bulge (19) having a conical form tapering from the first edge (13) to a first folding line (17). Thereby is achieved a curved flange (5), which first folding line (17) essentially merges with an apex of the rounded bulge (19).