Patent ID: 6253597
Filing Date: 2001-07-03
Classification: B21D

Abstract:
A method for manufacturing a metal, body-necked can with an ironed wall, comprising the steps of:applying a neck rim by necking the top rim of the can, wherein said applying of said neck rim comprises forming a neck and a shoulder about the neck, the shoulder having an outside diameter,reducing the diameter of the shoulder and the can with the ironed wall by body-necking the wall up a considerable part of the height of the can, wherein said body-necking comprises moving the can axially through and relatively to a profiled die to transfer the profile of the die to the can, andwherein said applying of said neck rim occurs prior to said body-necking, wherein the shoulder is defined between the neck and the body-necked part of the can, and the body necking does not eliminate the shoulder.