A method of making a stiffened composite structure (30), comprising: fabricating a first fiber preform (65); placing the first fiber preform in a mold recess (58) having the geometry of the stiffener; placing a second fiber preform (67) over the mold recess covering the first preform; co-infusing the first and second fiber preforms with a polymer resin; and curing the resin-infused preforms.
COMPOSITE STRUCTURES HAVING INTEGRATED STIFFENERS WITH SMOOTH RUNOUTS
VERBUNDSTRUKTUREN MIT INTERGRIERTEN VERSTEIFUNGSELEMENTEN MIT NAHTLOSEN AUSLÄUFEN
STRUCTURES COMPOSITES DOTÉES DE RAIDISSEURS INTÉGRÉS À DÉVERS RÉGULIERS
2020-02-19
Patent
Elektronische Ressource
Englisch
IPC: | B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand / B29K Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS / B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B64C AEROPLANES , Flugzeuge |
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