Metallic beverage can end with improved chuck wall and countersink
US7100789B2 · kind B2 · utility
71Cited by
147References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2003 |
| Grant date | Sep 5, 2006 |
| Priority date | — |
| Expiry date | May 14, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2517/0062
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention describes a beverage can end which utilizes less material and has an improved internal buckle strength based on the geometric configuration of a chuck wall, inner panel wall and central panel, and which utilizes an inwardly oriented concave arch on the chuck wall with a radius of curvature between about 0.015 inches and 0.080 inches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.