Patent ID: 6851515
Filing Date: 2005-02-08
Classification: B64C,G10K,Y02T

Abstract:
1. A soundproofing panel, comprising: at least two substantially plane opposite plates forming therebetween a closed internal space; an aggregate which comprises at least stout bodies in contact and which completely fills said internal space, said stout bodies being able to slip, on the one hand, with respect to one another and, on the other hand, with respect to said plates in such a way as to dissipate part of the vibratory energy circulating around said soundproofing panel, at least some of said stout bodies being directly in contact with one another, and wherein an area for friction between the panel and the aggregate is obtained; and at least one internal partition which is arranged inside said internal space, substantially parallel to said plates which are substantially parallel to one another, wherein said internal partition is at least partially pierced.