Method for the hardening of wood material
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United States of America Patent
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Oct 21, 1997
Issued Date -
N/A
app pub date -
Jun 7, 1995
filing date -
May 28, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for the hardening of wood material by impregnating it with a polymerizable substance and by polymerizing the polymerizable substance by means of heat. Heat transfer and cleaning in the polymerization have been improved through the impregnated wood material being in contact with water during the polymerization. The water is preferably hot and pressurized and serves at the beginning of the polymerization as a heating medium and during the polymerization as a cooling and cleaning medium.
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