Device for pressing sheet material

Details Device for pressing sheet material Device for pressing sheet material

B - Operations, Transporting

21

D

113/73

B21D 28/14 (2006.01) B21D 22/10 (2006.01)

Patent

CA 2006774

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 preforming 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 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 regions of the blank.

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