Patent ID: 9440372
Filing Date: 2016-09-13
CPC Classification: B27K,F26B

Claim Text:
1. A method for fluid treatment of wood comprising the steps of: (a) placing said wood in an airtight tank, (b) evacuating said airtight tank to establish a vacuum environment for said wood using a vacuum pump for pumping the air out of the airtight tank via an outflow valve, placed in an outflow tube between the airtight tank and the vacuum pump, (c) applying a preservation liquid and/or dye to said wood by supplying the liquid and/or dye from a reservoir interconnected with the airtight tank and the reservoir, while the vacuum environment is maintained within the airtight tank, wherein said wood is completely immersed in said preservation liquid and/or dye, (d) pressurizing said airtight tank to establish a pressurized environment for said wood using a compressor that is connected to the airtight tank through a compressor valve placed between the compressor and the airtight tank, and (e) heating said wood by electromagnetic radiation through one or more electrodes, using a HF-generator that is connected to the one or more electrodes via one or more cables, wherein said heating is performed while said wood is immersed in said preservation liquid and/or dye.