B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 70/08 (2006.01) B29C 70/34 (2006.01) B29C 70/44 (2006.01) B29C 70/54 (2006.01) G10K 11/168 (2006.01)
Patent
CA 2743352
The invention relates to a method for making an acoustic attenuation panel, comprising using at least one foam block (1), coating at least the acoustic surface of said foam block (1) with a fresh composite material (9), and making perforations (27; 27a, 27b, 27c, 27d, 27e) in the resulting coating.
Procédé de fabrication d'un panneau d'atténuation acoustique dans lequel on prend au moins un pain de mousse (1), on enrobe au moins la face acoustique de ce pain de mousse :(1); d'un matériau composite frais (9), et on réalise des perforations (27; 27a, 27b, 27c, 27d, 27e) dans l'enrobage ainsi réalisé.
Ruckert Guillaume
Vauchel Guy Bernard
Aircelle
Fasken Martineau Dumoulin Llp
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