Patent ID: 6286357
Filing Date: 2001-09-11
Classification: B21D

Abstract:
Process for manufacturing a shaped metal beverage can comprising a bottom and a peripheral wall which includes a succession of regions of different diameters, said peripheral wall being adapted to receive a lid set on said peripheral wall, said process comprising the following steps:producing from a metal blank a cylindrical preliminary can comprising a bottom and a peripheral wall which has a diameter equal to a given diameter of a region of said peripheral wall of said shaped can;effecting an operation reducing the diameter of the peripheral wall by shrinking a part of said peripheral wall of said preliminary can situated above said region of said given diameter of said peripheral wall to bring said part to a diameter which is smaller than said given diameter;and effecting at least one expanding operation on a part of said peripheral wall situated above said region of said given diameter for producing said succession of regions of different diameters of said peripheral wall.