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US 7,097,446 B2Granted
Blow-molded container and closure, and method and apparatus for making same
AssigneeGraham Packaging Company, L.P.
InventorMatthew A. Crider
Life of this patent
Estimating the term…
Abstract
A blow-molded plastic container and reinforced lid are simultaneously produced in a blow mold. A lid is reinforced by having a portion of the lid formed by blow molding techniques and another portion of the lid formed by compression molding techniques. The container and lid combination, a method for making the combination and apparatus for making the combination are provided.
Claims4
Apparatus for manufacturing a container and associated closure, comprising:
- a set of mold blocks moveable from an open position to a closed position to capture an extruded parison therein, and moveable from said closed position to said open position for releasing a container body and closure therefrom;
- said mold blocks, when closed, cooperating to form a blow molded container forming cavity and a separate closure forming cavity which includes a blow-molding section and a compression molding section;
- a first blow pin extendable into said container forming cavity for forming a blow-molded container body therein;
- and
- a second blow pin extending into said blow molding section of said closure forming cavity for forming a blow molded portion of the closure, said compression molding section forming a remaining integral compression molded portion of the closure.
2 more elements
Dependencies are inferred from the claim text.