| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely form a fastening flange by just pressing, to reduce the cost, and to improve the productivity. <P>SOLUTION: The press device 30 comprises as a progressive press, and when a metal plate 10 is fed, the metal plate 10 is drilled A, flatly pressed B, grooved C, surface-pressed D, shaved E, suppressed from being burred F, and punched G in order. A flange is thus formed by punching the metal plate 10. <P>COPYRIGHT: (C)2004,JPO</p> |
