Can bodies
US5261558A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 1992 |
| Grant date | Nov 16, 1993 |
| Priority date | — |
| Expiry date | Dec 17, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/906
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A metal can body for a beverage can comprises a bottom end wall 2 and a generally cylindrical side wall 3; the side wall comprising a bottom portion 4 connected to the bottom wall, a central portion 5 extending upwardly from the bottom portion, and a top portion 6 extending upwardly from the central portion and terminating in an open end. The top portion 6 and bottom portion 4 are of greater wall thickness than the central portion 5 and are respectively connected to the central portion through upper and lower annular zones 7, 8 of reducing wall thickness. The side wall is provided with a plurality of parallel externally convex longitudinal ribs 10 equally spaced around the circumference and terminating within the zones 7, 8 of reducing wall thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.