A stiffener (8) comprising: a core (30); and a shell (31) which surrounds the core (30), wherein the shell (31) is formed from a fibre material, and the core (30) comprises: first and second battens (40) arranged side by side; and a foam spacer (50) between the battens (40). The stiffener (8) extends in a lengthwise direction (42), and the battens (40) and the foam spacer (50) have respective lengths which extend in the lengthwise direction (42) of the stiffener (8). The core (30) is assembled with the spacer (50) between the battens (40), then surrounded with the shell (31). The stiffener (8) may be a stringer (8) for an aircraft wing (3).


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    Title :

    STIFFENER WITH CORE AND SHELL


    Additional title:

    VERSTEIFUNG MIT KERN UND SCHALE
    RAIDISSEUR AVEC NOYAU ET COQUE


    Contributors:

    Publication date :

    2025-01-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



    STIFFENER WITH CORE AND SHELL

    GAITONDE JOHN MARTIN / HEAYSMAN CHRIS | European Patent Office | 2023

    Free access

    STIFFENER WITH CORE AND SHELL

    GAITONDE JOHN MARTIN / HEAYSMAN CHRIS | European Patent Office | 2025

    Free access

    Stiffener with core and shell

    GAITONDE JOHN MARTIN / HEAYSMAN CHRIS | European Patent Office | 2025

    Free access

    Stiffener with core and shell

    JOHN MARTIN GAITONDE / CHRIS HEAYSMAN | European Patent Office | 2023

    Free access