The invention relates to a method for making a composite part including an assembly of superimposed webs of reinforcement threads imbedded at least partially in a polymer matrix, said part including at least one curved area and the method comprising steps of draping or stacking plies of a composite material, characterized in that, in at least one area adjacent to a curved area, at least one draping or stacking step is carried out with a ply of composite material, that comprises a web, or twisted thread web, including at least one twisted reinforcement thread in order to at least compensate the length differences of the extreme paths of the thread on either side of the width as measured in a direction parallel to the surface of the web; the invention also relates to the composite materials thus obtained.


    Access

    Download


    Export, share and cite



    Title :

    Method for making composite parts having at least one curved area


    Contributors:

    Publication date :

    2017-07-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED , Vorbereiten oder Vorbehandeln der zu verformenden Masse / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / 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 / B62D MOTOR VEHICLES , Motorfahrzeuge / D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS , Kräuseln oder Texturieren von Fasern, Fäden, Garnen oder Zwirnen




    Curved composite frames and method of making the same

    KEHRL DAVID J / JOHNSON KENT E / MCCARVILLE DOUGLAS A | European Patent Office | 2021

    Free access

    Curved composite frames and method of making the same

    KEHRL DAVID J / JOHNSON KENT E / MCCARVILLE DOUGLAS A | European Patent Office | 2015

    Free access

    Elevator car with spoiler component having at least one curved spoiler element

    ROIVAINEN GABRIELA / HEINONEN IIRO / MYYRYLAINEN VILLE et al. | European Patent Office | 2018

    Free access

    AIR SPRING HAVING COMPOSITE PARTS

    PALKY DAVID A / TROWBRIDGE MARK G | European Patent Office | 2024

    Free access