发明名称 VORRICHTUNG ZUM TIEFZIEHEN VON BLATTMATERIALIEN.
摘要 Device for pressing sheet material blanks, in particular sheet metal blanks (10), comprising a cushion (2) composed of an elastic material disposed in a retaining box (1), an arrangement for performing the sheet blank constituted by an outer slide carrying an upper blank holder (6), and an arrangement for finally forming the sheet blank constituted by a central slide acting on a punch (8), the device further comprising a lower blank blank holder constituted by an element (3) for supporting and maintaining at least a portion of the sheet blank (10), placed directly on the elastic cushion (2) and cooperative with the upper blank holder (6) for gripping the sheet blank in at least localized region of the blank.
申请公布号 DE68901457(D1) 申请公布日期 1992.06.11
申请号 DE1989601457 申请日期 1989.12.20
申请人 ISOFORM, PUTEAUX, FR 发明人 DE SMET, GABRIEL, F-60100 NOGENT SUR OISE, FR
分类号 B21D24/00;B21D22/10;B21D22/20;B21D24/04;B21D24/06;B21D37/00;B21D37/08;(IPC1-7):B21D22/10 主分类号 B21D24/00
代理机构 代理人
主权项
地址