Method of manufacturing self cooling beverage container
US6253440A · kind A · utility
10Cited by
18References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 13, 1999 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Jan 13, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49915
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of forming a flange in the bottom of a container by first removing a portion of the container bottom and then forming or swaying the material around the opening to form a flange extending away from the container bottom. A valve and valve cup assembly along with a heat exchange unit are positioned adjacent the flange and the combination is crimped to permanently affix the heat exchange unit to the bottom of the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.