| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique by which a non-rectangular material heated uniformly is obtained and also the efficiency of working in working of cutting, punching, or the like which are performed to obtain a desired shape of product is improved. <P>SOLUTION: This method of hot pressing a non-rectangular material includes: an electric heating step where the material to be formed into a rectangular shape is heated up to not lower than the prescribed temperature by electric heating and also the material is worked into the non-rectangular shape from the rectangular shape; and a pressing step where the material worked into the non-rectangular shape is pressed and cooled. <P>COPYRIGHT: (C)2013,JPO&INPIT |
