Perforated skin for acoustic element, acoustic element and...

Details Perforated skin for acoustic element, acoustic element and... Perforated skin for acoustic element, acoustic element and...

G - Physics

10

K

G10K 11/172 (2006.01)

Patent

CA 2552920

The invention concerns a perforated skin consisting of at least one layer (N1-N3) of substantially rectilinear fibers associated with a resin and whereof the perforations define a regular repeated pattern (a, b, c), characterized in that the perforations affect at least 25 % of the skin and in that, at least in a major part of the perforated skin, fibers (C1-C3) of said layer(s) (N1-N3) are uninterrupted by the perforations (P1-P3).

La peau perforée, qui est constituée d'au moins une nappe (Nl-N3) de fibres sensiblement rectilignes associées à une résine et dont les perforations définissent un motif répétitif régulier (a, b, c), est caractérisée en ce que les perforations (Pl-P3) affectent au moins 25% de la peau et en ce que, au moins dans une partie majeure de la peau ainsi perforée, des fibres (Cl-C3) de la ou desdites nappes (Nl-N3) sont ininterrompues par les perforations (Pl-P3).

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