Back to results
US 2003/0146273 A1Published application
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.
Claims49
A method for constructing an improved bottom seal for cups, the method comprising the steps of:
- forming a u-shaped channel about the periphery of a bottom blank;
- forming a top blank into a generally cylindrical shape;
- and
- coupling one edge of the top blank to the u-shaped channel of the bottom blank.
1 more element
A cup with an improved bottom seal for cups, the cup comprising:
- a bottom blank having a u-shaped channel about a periphery of the bottom blank;
- and
- a top blank, wherein one edge of the top blank is coupled to the u-shaped channel.
Dependencies are inferred from the claim text.