Invention Grant
US09358710B2 Preform and a mold stack for producing the preform 有权
预制件和用于生产预成型件的模具叠层

Preform and a mold stack for producing the preform
Abstract:
Disclosed is a preform (300) suitable for subsequent blow-molding into a final-shaped container. The preform comprises a neck portion (302); a gate portion (306); and a body portion (304) extending between said neck portion and said gate portion; the gate portion including an upwardly-bound region (324) defined between the inner and outer walls thereof, substantially whole of the upwardly-bound region extending in a direction towards the neck portion (302).
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