Method for treating wood by impregnation

Details Method for treating wood by impregnation Method for treating wood by impregnation

B - Operations, Transporting

27

K

B27K 3/15 (2006.01) B27K 5/00 (2006.01)

Patent

CA 2269904

The invention concerns a method for treating wood in which the wood to be treated is placed in a chamber in which a vacuum is produced, where said chamber is filled with a hardening product, in particular a monomer, so as to impregnate the wood by causing the product to penetrate the space between its fibers, where said product is hardened, in particular by polymerisation. This method is characterised in that the wood impregnating operation is preceded by a step of controlled thermal treatment.

La présente invention concerne un procédé de traitement du bois du type dans lequel on dispose le bois à traiter dans une enceinte dans laquelle on crée un vide, où l'on remplit ladite enceinte d'un produit durcissable, notamment un monomère, de façon à imprégner le bois en faisant pénétrer le produit dans l'espace interfibres de celui-ci, où l'on provoque ensuite le durcissement dudit produit, notamment par polymérisation. Ce procédé est caractérisé en ce que l'on fait précéder l'opération d'imprégnation du bois d'une étape de rétification.

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