Process for producing boards made of derived timber products or laminated veneer boards
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Aug 9, 1999
filing date -
Aug 8, 1998
priority date (Note) -
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Abstract
A process and an apparatus for producing endless laminated veneer boards from a veneer-panel strand comprising veneer panels laid together in a plurality of layers by means of gluing and compression in a heated, continuously operating press. The veneer-panel strand is run through a preliminary press with a preheating device before it enters the press. The preliminary press comprises a high-frequency or microwave-energy preheating device, the preheating device being adapted to focus energy and a reflection of said energy in a central region of veneer-panel strand.
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