Body-necking a wall-ironed can
US6253597A · kind A · utility
10Cited by
8References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1999 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Sep 15, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D51/2615
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Method for manufacturing a metal, body-necked can with an ironed wall, for example one intended for being provided on one open side with an easily opening lid in order thereby to form a beverage can, comprising the stages of reducing the diameter of the can with the ironed wall by necking the wall up a considerable part of the height of the can, to be referred to as body-necking, and applying a neck rim by necking the top rim of the can, whereby prior to being body-necked the can is first necked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.