Patent ID: 6379607
Filing Date: 2002-04-30
Classification: B28B,B44C,C04B

Abstract:
A method for manufacturing ceramic boards for use as finishing construction materials, wherein the method comprises the steps of:blending raw materials at predetermined ratios; mixing the blended raw materials with water to prepare a mixture; kneading the mixture to remove bubbles; molding the bubble-free kneaded mixture into planar wares having a face; engraving a predetermined pattern on the face of the planar wares and then filling the patterns with a colored inlay material to form inlaid surfaces; drying the engraved and inlaid wares; polishing the inlaid surfaces to expose the patterns; primarily calcining the wares having exposed patterns at a temperature of 800Â° C. to 900Â° C. for a predetermined period to prepare primary ceramic boards; coating a glaze mixture composed of components at fixed ratios on the faces having the exposed patterns to prepare glazed wares and then drying; and secondary calcining the glazed wares at a temperature of 1250Â° C. to 1350Â° C. for a predetermined period.