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US 2011/0254196 A1Published application
Method for making an acoustic attentuation panel, in particular for aeronautics
AssigneeAircelle
InventorsGuy Bernard Vauchel, Guillaume Ruckert
Life of this patent
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Abstract
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.
Claims11
A method for making an acoustic attenuation panel in which at least one foam block is taken, at least an acoustic face of this foam block is coated with a fresh composite material, and perforations are made in the thereby achieved coating.
Dependencies are inferred from the claim text.