B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/73
B21D 28/14 (2006.01) B21D 22/10 (2006.01)
Patent
CA 2006773
Method for pressing sheet material, in particular sheet metal, on a press by means of a cushion (12) composed of an elastic material, comprising disposing a sheet blank (20) to be formed on a support whose peripheral part forms a lower blank holder (2) and whose central part constitutes a die (3), applying, under the action of an outer slide, an upper blank holder (9) on the peripheral portion of the sheet blank (20), then applying a punch (11) under the effect of a ram, the method further comprising, in the course of a first step, applying, under the action of the ram, the cushion (12) on the sheet blank (20) for preforming the sheet blank in such manner as to impart thereto a surface area substantially equal to the surface area of the finished part to be obtained, then, in the course of a second step, continuing, under the action of the ram, the descent of the elastic cushion (12) and simultaneously displacing all or a part of the bottom of the die (3) for achieving the final shaping of the part.
Fetherstonhaugh & Co.
Isoform
LandOfFree
Method and device for pressing sheet material with a... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and device for pressing sheet material with a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device for pressing sheet material with a... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1443923