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US 6,662,996 B2Granted
Cup and method for making cup with integrally formed u-shaped bottom channel
AssigneeGeorgia-Pacific Corporation
InventorTimothy P. Hartjes
Life of this patent
Estimating the term…
Abstract
The present invention provides a cup less likely to leak by forming a u-shaped channel about a periphery of a bottom blank, forming a top blank into a generally cylindrical shape, and coupling an edge of the top blank to the u-shaped channel of the bottom blank.
Claims24
A cup with an improved bottom seal for cups, the cup comprising:
- a bottom portion having a u-shaped channel about a periphery of the bottom portion;
- and
- a top portion, wherein one edge of the top portion is coupled to the u-shaped channel.
Dependencies are inferred from the claim text.