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).
STIFFENER WITH CORE AND SHELL
VERSTEIFUNG MIT KERN UND SCHALE
RAIDISSEUR AVEC NOYAU ET COQUE
2023-05-10
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |