| 摘要 |
The present invention relates to a molding machine (1) which is developed in order to produce a thin walled and lightweight pet preform; essentially comprises at least one cavity piece (2) which forms the body part during the plastic injection of the pet preform, at least one neck-ring (3) which forms the mouth (neck) of preform during the plastic injection of the pet preform, at least one core piece (4) which forms the internal part during the plastic injection of the pet preform, at least one lock ring (5) which is mounted on the core piece (4) and enables the neck ring (3) and the core piece (4) to be locked in the same axis; and wherein the core piece (4) includes at least one channel part (6) in its structure to which the hydraulic oil is transferred and at least one cylinder part (7) in which the hydraulic oil is filled. |
