| 摘要 |
In a traditional split mold insert significant load pressures can be exerted on top and bottom projecting portions of the insert during the mold opening stage. Provided is a split mold insert and a mold stack incorporating the same.The split mold insert (214) for defining, at least partially, a neck area of a preform suitable for blow molding into a final-shaped article, in particular, is provided. The split mold insert (214) comprises a body (402) having (i) a cavity defining portion (404) for defining, in use, a portion of the neck area and (ii) a top projecting portion (406) and a bottom projecting portion (408) located at opposite sides of the body (402), a first female taper portion (410) associated with the top projecting portion (406), a second female taper portion (412) associated with the bottom projecting portion (408), the first female taper portion (410) and the second female taper portion (412) for cooperating, in use, with a first male taper (209) of a first mold component (208b) and a second male taper (203) of a second mold component (202), respectively, for aligning the body (402) into an operational configuration.
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