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US 9,636,878 B2Granted
Molding apparatus and method for applying positive pressure to molded container
AssigneeAmcor Limited
InventorsLuke A. Mast, Peter Bates, Bradley Wilson
Life of this patent
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Abstract
A method of forming a container includes blow molding a primary form of the container inside a primary mold. The primary form has an exterior surface. The method also includes applying a fluid to the exterior surface of the primary form to shrink the primary form and to form a shrunken form of the container. Furthermore, the method includes blow molding a secondary form of the container from the shrunken form inside a secondary mold.
Claims16
A method of forming a container comprising:
- blow molding a primary form of the container inside a primary mold, the primary form having an exterior surface;
- applying a fluid to the exterior surface of the primary form to shrink the primary form and to form a shrunken form of the container;
- and
- blow molding a secondary form of the container from the shrunken form inside a secondary mold;
- wherein applying the fluid occurs while the primary form is inside the primary mold.
2 more elements
Dependencies are inferred from the claim text.