Patent ID: 9278304
Filing Date: 2016-03-08
CPC Classification: B01D,B01J,B32B,E04B,E04F

Claim Text:
1. A charcoal-wooden material composite for both improving indoor air quality and removing radon gas comprising: a surface layer that is composed of thin fancy natural veneer overlaid on wooden material; a central layer that is composed of an activated charcoal board or a charcoal board; and a back layer that is composed of wooden material carried with round boring holes, wherein the round boring holes are formed through the wooden material of the back layer, and the surface layer has the straight line-typed depressed grooves over the overall length of the surface layer with the depth grooved from the indoor side surface of the surface layer up to the indoor side surface of the central layer, and further comprising a hidden gas and sound sorbing room in the central layer that is formed over the overall length of the central layer, is connected and pierced to said grooves on the surface layer, thereby to adsorb gases into both sides of the central layer, adsorb the gas of radon radioactivity which comes from the ground or the walls of a building itself into the wall side surface of the activated charcoal board or the charcoal board in the central layer through the round boring holes of the back layer, and at the same time adsorb gases harmful to human beings indoors into the indoor side surface of the activated charcoal board or the charcoal board in the central layer through the lined grooves of the surface layer.