LIGHTWEIGHT WOOD-BASED BOARD AND PROCESS FOR PRODUCING IT
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United States of America Patent
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N/A
Issued Date -
Apr 22, 2010
app pub date -
Dec 6, 2007
filing date -
Dec 11, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to a method for producing a sandwich panel, comprising the steps: providing an upper cover layer, providing a lower cover layer, providing an intermediate layer disposed between the upper and lower cover layers, compacting the upper and lower cover layers; foaming the intermediate layer, with no foaming of the intermediate layer occurring when compacting of the upper and lower cover layers begins.
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