Carbonated beverage container with footed base structure
First Claim
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1. A plastic blow molded biaxially oriented carbonated beverage container comprising:
- a body including a neck finish merging with a shoulder portion which in turn merges with a sidewall portion which in turn merges with a base structure;
a longitudinal axis defined and extending centrally through said body, said base structure having at least three downwardly projecting feet circumferentially disposed about said longitudinal axis and said base structure to support said container, said base structure also including a relatively rigid strap formation extending substantially radially outward and upward from a central region of said base structure and between said strap, said strap formation being divided at an upper end thereof into divergent separated strap formations which in turn merge with said sidewall portion of said container, a deformable region located between said separated strap formations and radially outward of said feet, said deformable region being adapted to bulge outward when said container is pressurized and said strap formations being pivotable about said feet as a result of said deformable region bulging outward when pressurized thereby moving said upper ends of said strap formations outward and said lower ends of said strap formations and said central region of said base upward.
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Abstract
A one piece plastic container for carbonated beverages has a footed base structure. The upper portion of the base structure includes hollow projections between which are formed relatively stiff strap formations. A deformable open region at the upper end of the strap formations is easily deformed and expands in a controlled fashion when the container is pressurized. Outward movement of the open region causes outward movement of the upper ends of the strap formations which then pivot about the feet causing the lower ends of the strap formations and the central region of the base structure to move upwardly.
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Citations
19 Claims
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1. A plastic blow molded biaxially oriented carbonated beverage container comprising:
a body including a neck finish merging with a shoulder portion which in turn merges with a sidewall portion which in turn merges with a base structure;
a longitudinal axis defined and extending centrally through said body, said base structure having at least three downwardly projecting feet circumferentially disposed about said longitudinal axis and said base structure to support said container, said base structure also including a relatively rigid strap formation extending substantially radially outward and upward from a central region of said base structure and between said strap, said strap formation being divided at an upper end thereof into divergent separated strap formations which in turn merge with said sidewall portion of said container, a deformable region located between said separated strap formations and radially outward of said feet, said deformable region being adapted to bulge outward when said container is pressurized and said strap formations being pivotable about said feet as a result of said deformable region bulging outward when pressurized thereby moving said upper ends of said strap formations outward and said lower ends of said strap formations and said central region of said base upward.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
Specification