Can ends having machine readable information

摘要

A system and method for laser marking can end, including a can end center panel and/or pull tab. The decorated can end and/or tabs may have a machine readable image.

主权项

1. A can end capable of having (i) an unopened configuration in which the end is sealed and (ii) an opened configuration in which, after application of the end to a can body, contents of the can are accessible, the can end comprising:
an end shell and a pull tab, the pull tab defining an outer perimeter that includes a curled edge, the pull tab having an orientation that is approximately parallel to a center panel of the end shell in the unopened configuration, the pull tab being capable of being actuated to a part vertical position by lifting an end of the pull tab to rupture a score on the center panel and thereby achieve the opened configuration; a two dimensional code located on an underside of the tab and capable of being read on a handheld wireless communication device when the end is in the opened configuration, the code having a size of no more than 6 mm by 6 mm.