Manufacturing process to produce a necked container
US8322183B2 · kind B2 · utility
17Cited by
67References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2010 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Apr 26, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D51/2638
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention provides a necking system including a plurality of necking dies each necking dies having an at least partially non-polished necking surface and a non-polished relief following the necking surface. The present invention further provides a method of necking a metal container including providing a metal blank; shaping the blank into a bottle stock; and necking the metal bottle stock, wherein necking includes at least one necking die having an at least partially non-polished necking surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.