Three-dimensional cavity-formed part having a multilayered structure and process of its manufacture
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United States of America Patent
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Issued Date -
Feb 14, 2008
app pub date -
Aug 9, 2007
filing date -
Aug 11, 2006
priority date (Note) -
Abandoned
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Abstract
The invention concerns a three-dimensional hollow molded piece having a multilayered construction, with a cavity formed by a substrate material and a cover material. The cavity is arranged between the substrate material and the cover material and filled with a filling medium. The hollow molded piece has in relation to the substrate material and the cover material a filmlike layer at least essentially impermeable to the filling medium, which is especially suitable for use in the furniture industry, especially for the manufacture of seating furniture.
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