Patent ID: 7143623

Claim:
A method for forming a shell from material in a shell press assembly, in a press with one or a multiplicity of shell press assemblies, comprising the steps of: i) moving the material into the assembly between a set of upper toolings and a set of lower toolings, ii) blanking the material in a downstroke of the press to form a blank, iii) forming the blank into a shell with a central panel connected to a chuckwall, iv) forming a radius in the shell wherein the radius is located between the chuckwall and the central panel, v) forming a z-fold in the shell in a downstroke of the press wherein the z-fold is located between the chuckwall and the central panel, and vi) supporting the z-fold formed in the shell on an upstroke of the press by supporting the z-fold located between an inner pressure pad, a die core and a die core ring in a pressure relationship.