Method of manufacture of noise suppression panel
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United States of America Patent
Stats
-
Sep 17, 1985
Issued Date -
N/A
app pub date -
Oct 29, 1984
filing date -
Jul 15, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A noise suppression panel having a first cellular core positioned between and bonded to an imperforate facing sheet on one surface thereof and a first sheet of microporous material on the other surface. A second core is bonded between the other surface of the first sheet of microporous material and a perforated sheet. The other surface of the perforated sheet has a second sheet of microporous material bonded thereto. The cells of the two cores are preferably substantially aligned when maximum core-to-core bonding strength therebetween is required. A method of manufacturing is disclosed which includes flow-through resistance testing of the subassemblies.
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Cited Art Landscape
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