B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
B21C 3/18 (2006.01) B21D 28/20 (2006.01) B21D 45/00 (2006.01) B30B 15/00 (2006.01) B30B 15/02 (2006.01)
Patent
CA 2114886
A punching die includes a punch body and a punch head provided for an upper portion of the punch body. The punch head is struck by a striker. The punching die further includes a punch guide disposed at a lower portion of the punch body, a retainer collar disposed over the punch guide and fitted to the punch body, a stripping spring interposed between the punch head and the retainer collar, and an elastically deformable damping member being interposed between an upper surface of the punch guide and a lower surface of the retainer collar.
Cette invention concerne une matrice d'estampage qui comprend un corps et une tête en partie supérieure du corps. La tête de la matrice est frappée par un marteau. La matrice comprend par ailleurs un guide-matrice en partie inférieure, un collier de retenue disposé au-dessus du guide-matrice et fixé au corps de matrice, un ressort de décochage interposé entre la tête de matrice et le collier de retenue, un amortisseur élastique étant interposé entre la surface supérieure du guide-matrice et la face inférieure de collier de retenue.
Amada Metrecs Company Limited
Gowling Lafleur Henderson Llp
LandOfFree
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