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US 2024/0278477 A1Published application
Two-step hdpe preform and container with high axial stretch ratio
AssigneeAmcor Rigid Packaging USA, LLC
InventorMichael WURSTER
Life of this patent
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Abstract
A method for forming a container from a high-density polyethylene preform by one-step or two-step injection stretch blow molding. The method includes inserting the preform in a mold. The preform has a preform axial length. The method further includes blow-molding the preform into the mold to form the container, including stretching the preform to form the container with a container axial length that is 2.5-5 times greater than the preform axial length.
Claims17
A method for forming a container from a high-density polyethylene preform by injection stretch blow molding, the method comprising:
- inserting the preform in a mold, the preform having a preform axial length;
- and
- blow-molding the preform into the mold to form the container, including stretching the preform to form the container with a container axial length that is 2.5-5 times greater than the preform axial length.
Dependencies are inferred from the claim text.