Foaming method and device
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United States of America Patent
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Apr 7, 2009
Grant Date -
Jun 1, 2006
app pub date -
Jan 3, 2006
filing date -
Dec 31, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method and a device for foaming glue for the production of wood-based sheets. Gluing substance and gas are fed (1,2) into the foaming device through nozzles (3,4), which are directed to mix the gluing substance and gas to be fed to form an essentially homogenous mixture prior to foaming. After this the gluing substance is foamed mechanically in the foaming chamber (5) with the aid of gas.
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