IMPREGNATION METHOD OF POROUS MINERAL MATTER SUPPORT, AND USE OF SPRAYING APPARATUS THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide an efficient method which sufficiently and uniformly impregnates an extremely porous material cost-effectively as far as possible without dilution of the material and permits the material coating application ameriorated in the impregnation for preventing graffiti. SOLUTION: The spraying apparatus supported by gas is used in the case of a method for impregnation of a porous mineral matter support by a spraying technique. COPYRIGHT: (C)2004,JPO