B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/38 (2006.01) B05D 3/12 (2006.01) B27K 3/08 (2006.01) B27K 3/34 (2006.01) B27K 3/36 (2006.01)
Patent
CA 2338144
The present invention is a process for pressure treating wood (6), where the process comprises the steps of removing air from the wood by vacuum chamber (2), infusion by pressure into the wood of a solution (10) of water and an anhydride or the analogous acid of the anhydride, followed by removal of excess moisture (13) from the wood by heating, and the infusion into the wood of a molten waxy solid (14) comprising hydrocarbon paraffins or saturated fatty acids, which solidifies in the wood voids.
La présente invention se rapporte à un procédé d'imprégnation sous pression du bois (6), consistant à extraire l'air du bois dans une chambre à vide (2), à imprégner sous pression le bois avec une solution (10) d'eau et d'un anhydride ou de l'acide analogue de l'anhydride, puis à extraire du bois l'excès d'humidité (13) en chauffant, et enfin à imprégner le bois avec un solide cireux fondu (14) contenant des hydrocarbures paraffiniques ou des acides gras saturés, qui se solidifie dans les vides du bois.
Coating Development Group Inc.
Kirby Eades Gale Baker
LandOfFree
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