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US 2004/0016762 A1Published application
Base for food containers
AssigneePactiv Corporation
InventorsThomas J. Hayes, James N. Gomoll
Life of this patent
Estimating the term…
Abstract
A base for a food container includes a pattern of rib units in a side wall of the container. The rib units are formed at multiple angles and depths to provide strength to the side wall. The base also includes a bottom with ribs of alternating heights and angles that provide strength to the bottom.
Claims50
A base for a food container, comprising:
- a side wall,
- a bottom wall, and
- a plurality of first rib units formed in said side wall, each said first rib unit includes a first female rib and a first male rib.
A plastic container bottom, comprising:
- a bottom wall;
- a plurality of depressions in said bottom wall, said depressions extending below said bottom wall;
- a plurality of first ribs formed in said bottom wall and extending to a first elevation;
- and
- a plurality of second ribs formed in said bottom wall and extending to a second elevation.
2 more elements
A plastic container, comprising:
- a bottom wall;
- a side wall;
- a plurality of first rib units formed in said side wall, each said first rib unit includes a first female rib and a first male rib;
- a plurality of first ribs formed in said bottom wall and extending to a first elevation above said bottom wall, a plurality of depressions formed in said bottom wall and extending below said bottom wall, and a plurality of second ribs formed in said bottom wall and extending to a second elevation above said bottom wall.
1 more element
Dependencies are inferred from the claim text.