| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of easily manufacturing a bathtub made of ceramics at a low cost which is lighter compared to conventional pottery products and has thermal insulation performance and waterproof performance. <P>SOLUTION: Admixture containing pearlite, Shirasu balloons, coal ash, etc. and fireproof aggregate, and a hydraulic castable comprising either one or both of alumina cement and hydraulic alumina or a mixture of them are slip-casted to form a hardened body. The hardened body is mold-released and then glazed and calcined to form the bathtub made of ceramics. <P>COPYRIGHT: (C)2008,JPO&INPIT |
