Patent ID: 7273006
Filing Date: 2007-09-25
Classification: B21D,Y10T

Abstract:
1. A method for marking containers, comprising the steps of: providing an at least partly assembled container having container walls at plural sides of the container and a closed bottom, in a substantially finished state, the container walls having an edge defining an opening into the container and including at least one external panel of a predetermined thickness of sheet metal, the external panel having an area that is accessible from said opening into the container; providing a clamping fixture comprising a die set, said die set comprising at least partly complementary protrusions and depressions on respectively opposite members of the die set; reaching said clamping fixture across said edge and into said opening so as to place the members of the die set on opposite sides of the external panel at said accessible area; clamping said clamping fixture across said edge; and applying inward pressure between the opposite members sufficient to emboss a visible image of the members of the die set on the external panel.