Expanding die and method of shaping containers
US8555692B2 · kind B2 · utility
9Cited by
68References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2011 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Mar 22, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S72/715
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention provides an expansion die for manufacturing containers including a work surface including a progressively expanding portion and a land portion; and an undercut portion positioned following the land portion of the work surface. The present invention further provides a process for manufacturing shaped containers including providing a container stock having a first diameter; expanding at least a portion of the container stock to a second diameter with at least one expansion die; and forming an end of the container stock to accept a container lid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.