METHOD FOR MAKING AN ACOUSTIC TREATMENT COATING AND COATING THUS OBTAINED
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United States of America Patent
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Issued Date -
Apr 15, 2010
app pub date -
Feb 14, 2008
filing date -
Feb 20, 2007
priority date (Note) -
Abandoned
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Abstract
A process for the producing a coating for acoustic treatment relative to a leading edge such as an air intake of an aircraft nacelle, the coating including a reflective layer, an alveolar structure, and an acoustically resistive layer, includes:Digitizing the shape of the alveolar structure that it will have when it will be installed at the surface to be treated,Positioning in a virtual manner—so as to define their geometries—two series of bands so as to delimit a tube between, two adjacent bands of a first series, and two second adjacent bands of a second series,Cutting out each band according to their geometries defined above,Producing cut-outs in each band to allow the assembly of the bands,Assembling the bands so as to obtain an alveolar structure that has shapes that are suited to the surface to be treated.
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