Patent ID: 7258538

Claim:
A mold assembly for blow molding comprising first and second mating mold components, each mating mold component comprising molding surfaces open to a mating face of the mold component and defining the exterior of an article to be molded from a tubular parison, first and second mold inserts comprising molding surfaces and being joined by at least one fastener and at least one height insert comprising molding surfaces and received in a gap of adjustable height between the first and second mold inserts, the gap being adjusted by adjustment of the fasteners, the height of and number of height inserts selected according to a desired longitudinal extension of the article to be molded, each height insert being retained in the mating mold component by at least one of the fasteners joining the first and second mold inserts, the fasteners retaining the height inserts being retained with the mold component during insertion and removal of the height insert.