Back to results
US 11,691,193 B2Granted
Shell with expandable rivet button and tooling therefor
AssigneeStolle Machinery Company, LLC
InventorsDennis Cornelius Stammen, Mark Mitchell, Christopher Macke
Life of this patent
Estimating the term…
Abstract
A can end including a central panel with an expandable bubble disposed thereon is provided. The use of an expandable bubble allows for an expandable rivet button and thereafter an expandable rivet that has an enhanced overlap of a tab body. Such an expandable rivet allows for the use of a metal sheet with a thinner base thickness.
Claims4
A can end comprising:
- a central panel, said central panel having a base thickness;
- and
- an expandable rivet button disposed on said central panel,
- wherein the base thickness of the central panel is between about 0.0080 inch and about 0.0060 inch,
- wherein said expandable rivet button has a generally planar top portion and a generally cylindrical sidewall,
- wherein said expandable rivet button top portion has a thickness of between about 0.0050 inch and 0.0077 inch, and
- wherein said expandable rivet button has a height of between about 0.059 inch and about 0.039 inch.
4 more elements
Dependencies are inferred from the claim text.