Rivet in a converted can end, method of manufacture, and tooling

Details Rivet in a converted can end, method of manufacture, and tooling Rivet in a converted can end, method of manufacture, and tooling

1996-11-08

1998-05-26

Larson, Lowell A.

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

723792, B21D 5144

Patent

active

057551340

ABSTRACT:
An easy open can end having an improved rivet structure integrally formed thereon for the attachment of a pull tab, a method of further forming a can end to incorporate the improved rivet, and tooling for accomplishing the method. The further formation of the can end includes the steps of bubble formation, first button formation, and final rivet formation.

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patent: 4678096 (1987-07-01), LaBarge et al.
patent: 5038956 (1991-08-01), Saunders
patent: 5119664 (1992-06-01), Schubert

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