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US 12,202,030 B2Granted
Can end with a coined rivet, tooling assembly therefor and a method of forming
AssigneeStolle Machinery Company, LLC
InventorsChristopher Lawrence Macke, Dennis Cornelius Stammen
Life of this patent
Estimating the term…
Abstract
A can end including a central panel and a coined rivet disposed on the central panel. A press, a station, and/or a tooling assembly structured to form a coined rivet as well as a method to form the coined rivet is also provided.
Claims7
A press structured to form a can end from sheet material, said sheet material having a base thickness, said sheet material formed into a shell including a bubble, said bubble including a rivet portion top portion, said can end having a product side and a public side, said press comprising:
- a frame;
- an upper tooling assembly including a first coining surface, said upper tooling assembly movably coupled to said frame;
- a lower tooling assembly including a second coining surface, said lower tooling assembly coupled to said frame;
- said first coining surface structured to move between a first position, wherein said first coining surface is spaced from said second coining surface, and a second position, wherein said first coining surface is a coining distance from said second coining surface;
- said first coining surface and said second coining surface structured to simultaneously engage opposing sides of a center of the rivet portion top portion disposed between said first coining surface and said second coining surface;
- and
- wherein, when said first coining surface and said second coining surface are in said second position, said first coining surface and said second coining surface coin the rivet portion top portion including the center of the rivet portion top portion to form a coined rivet top portion from the rivet portion top portion including the center of the rivet portion top portion.
4 more elements
Dependencies are inferred from the claim text.