Sandwich Element for the Sound-Absorbing Inner Cladding of Means of Transport, Especially for the Sound-Absorbing Inner Cladding of Aircraft
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United States of America Patent
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Issued Date -
Apr 9, 2009
app pub date -
May 24, 2006
filing date -
May 24, 2006
priority date (Note) -
Abandoned
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Abstract
A sandwich element for the sound-absorbing inner cladding of means of transport such as an aircraft. The sandwich element includes a three-dimensionally constructed core structure disposed between two cover layers that run substantially parallel to one another at a distance. A plurality of passages for sound transmission are incorporated in the core structure and/or in at least one cover layers, wherein at least one sound absorption layer is disposed in the area of at least one cover layer at least in parts.
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