MOLD DESIGN WITH IMPROVED COOLING

摘要

A mold is provided for use with a wheel-type blow mold machine. The mold has first and second parts. The first part has a first molding portion with a longitudinal end in the longitudinal direction of the mold and a first end portion adjoining the first molding portion at the longitudinal end of the first molding portion and having a free edge opposite the first molding portion, the free edge being non-parallel to the longitudinal direction and the transverse direction. The first part has an outer cooling circuit and an inner cooling circuit. The inner cooling circuit is a split tube with a firs t passage of the split tube being for directing a cooling fluid to the first e nd portion and a second passage of the split tube being for directing the cooli ng fluid from the first end portion.