Patent ID: 9415433
Filing Date: 2016-08-16
CPC Classification: B21D

Claim Text:
1. A sheet metal stamping device for stamping a sheet metal part comprising a first die body and a second die body; the first die body and the second die body in operable communication for forming the sheet metal part from a sheet metal blank; the sheet metal part having at least one deep drawn part forming region and at least one deep drawn scrap region formed adjacent thereto, the scrap region including at least one outer periphery, and at least one deep drawn contoured section extending inwardly therefrom, the deep drawn contoured section having an arcuate cross section with a bend radius, wherein the deep drawn contoured section is prone to recoil from a neutral stamped position; the first die body and the second die body having one or more complementary elongate bead-forming portions located for forming an elongate bead in the deep drawn contoured section about the bend radius; the elongate bead-forming portions being configured for the elongate bead to substantially inhibit recoil of the deep drawn contoured section of the deep drawn scrap region from the neutral stamped position, that would otherwise occur when the deep drawn scrap region is severed from the final part.