Expanding die for shaping containers

摘要

The present invention provides an expansion die (5) for manufacturing containers including a work surface (10) including a progressively expanding portion (15) and a land portion (20),- and an undercut portion (25) positioned following the land portion (25) of the work surface (10). The present invention further provides a process for manufacturing shaped containers (A- N, 1-3) including providing a container stock having a first diameter; expanding at least a portion of the container stock to a second diameter with at least one expansion die; and forming an end of the container stock to accept a container lid.