Patent ID: 7174762

Claim:
A method of manufacturing an easy open can end member comprising the steps of: providing a can end shell having a public side and an opposing product side, the can end shell including a center panel disposed about a longitudinal axis, a generally U-shaped countersink, an annular arcuate chuck wall, and a curl defining an outer perimeter of the can end shell, the generally U-shaped countersink joining the chuck wall with the center panel; providing upper and lower tooling for reforming the can end shell; supporting the can end shell between the upper and lower tooling; providing relative movement between the can end shell and the upper and lower tooling to reform the can end shell; moving the center panel downwardly by said providing relative movement step wherein the U-shaped countersink is removed extending an area of the center panel radially outwardly; and moving the annular arcuate chuck wall downwardly by said providing relative movement step to form a folded portion between the annular arcuate chuck wall and the center panel.