Hydroblow preform design

摘要

A mold device for forming a plastic container from a preform. The preform includes at least one exterior feature formed thereon. The mold device comprises a mold defining a mold cavity, and a central exterior rod being movable within the mold cavity. The central exterior rod includes a locating feature formed therewith that is engagable with the at least one exterior feature of the preform for maintaining a central orientation of the preform within the mold cavity during forming.