Method and apparatus for forming stretch blow molded containers
AssigneeGraham Packaging Company, L.P.
InventorsKent Goss, Paul Kelley, Scott Bysick, Philip Sheets
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Abstract
The present invention relates to a base assembly (100) for forming a base portion of a plastic container. The base assembly comprises a base pedestal (104), a base mold attached to the base pedestal, a push rod (102) movable between a first position and a second position with respect to the base mold to reposition a portion of the plastic container, and an activation mechanism adapted to move the push rod between the first position and the second position.
Claims15
A base assembly for a stretch blow molding apparatus forming a base portion of a plastic container, the base assembly comprising:
- a unified one-piece base pedestal;
- a unified one-piece base mold comprising at least one curved contact surface that forms at least one downward convex cavity of said plastic container attached to the base pedestal;
- a unified one-piece push rod movable between a first position and a second position with respect to the unified one-piece base mold to reposition a portion of the plastic container;
- and
- an activation mechanism adapted to move the push rod between the first position and the second position, wherein said base assembly is suitable for stretch blow molding.
Dependencies are inferred from the claim text.