Patent ID: 8701887

Claim:
A container adapted to be stacked on top of a second container, the container comprising: a first metal end wall; a metal sidewall, the sidewall having a first end and a second end, wherein the second end is a free end configured to be coupled to a second metal end wall following filling of the container, wherein an inner surface of the first metal end wall and an inner surface of the metal sidewall define an interior contents chamber of the container; a first seam coupling the first metal end wall to the first end of the metal sidewall, the first seam including a substantially horizontal shoulder extending inwardly from an outer surface of the first seam, the shoulder positioned below the first end of the metal sidewall; and an alignment feature extending directly from the shoulder away from the first metal end wall from a position below the first end of the metal sidewall, wherein the alignment feature is adapted to align the container relative to the second container and to resist lateral movement of the container relative to the second container when the container is stacked on top of the second container; wherein the first metal end wall, the shoulder, the outer surface of the first seam and the alignment feature are integrally formed from a single piece of metal material.