Flexible bottom profile for drawn and ironed beverage can
US4732292A · kind A · utility
30Cited by
21References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 5, 1981 |
| Grant date | Mar 22, 1988 |
| Priority date | — |
| Expiry date | May 5, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/917
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bottom profile for a can in which a center domeshaped portion is provided circumscribed by an annulus which may be flat or formed with a concentric bead or provided with various shaped depressions, the annulus merging at its outer edge with the cover edge of a frustoconical portion which at its upper edge merges into the can body wall, the inner edge of the annulus merging with the marginal edge portion of the dome and the depressions defining radial arrays of ribs or strength imparting configurations of different shapes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.