Laminated structure with a filled viscoelastic layer and method
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United States of America Patent
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Issued Date -
Feb 1, 2007
app pub date -
Aug 1, 2005
filing date -
Aug 1, 2005
priority date (Note) -
Abandoned
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Abstract
The present invention provides a panel providing improved noise and vibration attenuation. The panel is formed from a constrained layer viscoelastic laminate material having at least two constraining layers and at least one viscoelastic layer therebetween spanning the entirety of the constraining layers. Included within the viscoelastic layer is an effective amount of filler material operable to increase the static stiffness of the panel. A method of increasing the static stiffness of constrained layer viscoelastic materials is also provided.
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