METHOD FOR CONVERTING A DESIGN OF AN ORIGINAL PREFORM AND A RELATED MOLD STACK FOR THE MOLDING THEREOF

摘要

Disclosed herein, amongst other things, is a method for converting a design ofan original preformthat is blow moldable to form a container into a converted preform having lessmolding material thatis blow moldable to form the same container. The method includes retaining aneck finish and bodyof the original preform on the converted preform. The method further includesreplacing the originalbase of the original preform with a converted base having an outer basesurface that joins with anouter body surface of the body at an base split-line of the original base andthat fits offset within anouter body surface of the original base, whereby the converted preform has areduced total length,disregarding any gate vestige that may be formed thereon, relative to a totallength of the originalpreform.