| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a marble grain-patterned building material formed of a novel composite material composed of a steel pipe and a synthetic resin material. <P>SOLUTION: This building material of marble grain tone in external view which is a bar-like material formed of the novel composite material composed of the steel pipe and the synthetic resin material, is provided with the steel pipe 1 of hollow cylinder shape; an inner synthetic resin layer 3 lined over the outer surface of the steel pipe 1 through an adhesive 2 and formed by adding and mixing granules 32 into base resin 31; and a transparent or translucent outer synthetic resin layer 4 provided further outside the inner synthetic resin layer 3. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
