PREFORM ASSEMBLY, CONTAINER ASSEMBLY AND METHOD OF MANUFACTURE

摘要

A method of making a plastic container having a body and a finish with at least one external thread includes providing a plastic preform (24) having a body (26) and a neck (28) and blow molding the body of the preform to form the body (12) of the container. Either prior to or subsequent to blow molding the container body, the preform neck is radially and circumferentially expanded. A finish ring (14) having at least one external thread (16) is secured to the external surface of the neck after expansion of the neck.