MODIFICATION ARRANGEMENT FOR HYGROSCOPIC MATERIAL
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United States of America Patent
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Issued Date -
Apr 18, 2024
app pub date -
Feb 9, 2022
filing date -
Feb 15, 2021
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Abstract
An invention relates to thermal or thermomechanical processing of hygroscopic material to adjust the material properties. The invention concerns a modification arrangement for the hygroscopic material. The modification arrangement comprises a modification unit (202) and a fluid container (204) that is coupled with a control valve (205) to at least one fluid aperture (203). The modification arrangement is configured for heating the hygroscopic material in the modification unit (202) to extract water from it and, in response to opening of the control valve (205), leading fluid from the fluid container through said at least one fluid aperture (203) into the modification unit (202). The modification arrangement further comprises a treatment agent (207) added to the fluid so that the treatment agent (207) is absorbed into the hygroscopic material and modifies it. The treatment agent (207) includes at least one of the following ingredients: a preservative, a dye, a pigment, an aroma, an odour eliminator, a pesticide, an impregnation ingredient, or a fire retardant.
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