Patent · US Active

End closure with coined panel radius and reform step

US10967412B2 · kind B2 · utility

1Cited by

17References

11Claims

0Family size

Assignee

Stolle Machinery Company, LLC · US

Inventors

Mark Mitchell · Dalton, US
Aaron E. Carstens · Centerville, US
Craig Allen McEldowney · Russia, US

Key dates

Filing date	Oct 31, 2017
Grant date	Apr 6, 2021
Priority date	—
Expiry date	Dec 21, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65D2517/0082
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A method of forming a can end shell is provided which includes providing a can end shell having a central panel portion, a first panel radius around the central panel portion, a chamfer extending from the first panel radius, and a second panel radius around the chamfer, coining the can end shell to form a coined section in the first panel radius around at least a portion of the circumference of the central panel portion, and reforming the can end shell to form a step in the chamfer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.