Method of making multilayer preforms which resist delamination and in a reduced cycle time. A first array of preforms are molded onto a first array of cores in an associated array of mold cavities, the cores and preforms are removed from the mold cavities as soon as possible without significant physical...http://www.google.com.au/patents/US5582788?utm_source=gb-gplus-sharePatent US5582788 - Method of cooling multilayer preforms
