B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 70/24 (2006.01) B29C 70/08 (2006.01) B29C 70/86 (2006.01)
Patent
CA 2585338
The invention relates to a reinforcement insert and a method for the production thereof. The insert comprises superposed laps of fiber (10-14) which are coupled to each other by a coupling fiber which passes through said laps (10-14) in order to form fiber sections (15,16), wherein at least certain sections thereof (15,16) are rectilinear. The fiber sections (15,16) and laps (10-14) are immersed in a cured resin (17). The total density of the fibers that make up the insert ranges from 50 % to 60 % of the volume of the insert and the fiber sections take up 3 % -10 % of the volume of the insert. The invention also relates to a method for creating a sandwich structure comprising at least one such insert.
L'invention concerne un insert de renfort et son procédé de fabrication. Cet insert comprend des nappes (10-14) superposées de fibre et solidarisées entre elles par une fibre de solidarisation traversant ces nappes (10-14) pour former des tronçons de fibre (15,16), au moins certains de ces tronçons (15,16) étant rectilignes. Les tronçons de fibre (15,16) et les nappes (10-14) sont noyés dans une résine durcie (17). De plus, la densité de fibres totale constituant l'insert est comprise entre 50% et 60% du volume de l'insert et les tronçons de fibre occupent entre 3% et 10% du volume de l'insert. L'invention concerne également un procédé de réalisation d'une structure sandwich avec au moins un tel insert.
Cahuzac Georges
Chocheyras Eric
Gauthier Jack
Astrium Sas
Bcf Llp
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