Method for the manufacture of a light-weight sheet
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United States of America Patent
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Feb 16, 2010
Grant Date -
Dec 28, 2006
app pub date -
Jun 13, 2006
filing date -
Jun 13, 2005
priority date (Note) -
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Abstract
The invention is directed to a method for manufacturing a sandwich like constructed light weight sheet with sound absorption characteristics, by which an acoustically absorbing cover layer, a substantially grid shape configured first intermediate layer and a bottom layer are bound together, wherein the light weight sheet has a defined surface.
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