PREFORM FOR BIAXIALLY ORIENTED CONTAINER AND METHOD OF MOLDING THE SAME

摘要

Preform for a biaxially oriented container consisting primarily of polyethylene terephthalate and molding method thereof. A mouth fastening portion of the preform is formed by a thermoplastic resin having a high heat distortion temperature and the drum and bottom are formed by a multi-layered structure having an intermediate layer made of a thermoplastic resin which is heat resistant or has a high gas barrier property.