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US 7,108,469 B2Granted
Can end
AssigneeCrown Cork & Seal Technologies Corporation
InventorLeonard Anthony Jenkins
Life of this patent
Estimating the term…
Abstract
A can end (1) having a chuck wall (3) which is inclined at an angle of between 30° and 60°. The chuck wall (3) is provided with an image (9) such as a logo, pattern, printed or etched image, typically for promotional purposes.
Claims13
A method of manufacturing a can end comprising the steps of:
- i) providing a coil of metal;
- ii) stamping the coil into a plurality of blanks;
- iii) forming each blank into an end shell comprising a radially outer seaming flange, a chuck wall adjacent the seaming flange, a center panel and an axially downward countersink joining the center panel to the chuck wall, the chuck wall being inclined to an axis perpendicular to the center panel at an angle of between 30° and 60°;
- iv) converting the shell to an easy open can end by the steps of:
- a) forming a score on a portion of the center panel, and
- b) forming a tab and attaching the tab to the center panel, and;
- v) providing an image on the chuck wall of the can end.
4 more elements
Dependencies are inferred from the claim text.