| 摘要 |
<p>A porous structure material which is in a spheric shape, has a curved face, a high dimension accuracy and has a wide use, is provided. The porous structur e material is composed of one or two or more metal chips, and is molded to the spheric shape whose surface is smooth and which has the curved face by means of using a plate-like intermediate molded article pressure-molded while bein g heated by flowing a high electric current and molding it again under a heat generating state as it is.</p> |
