Ram for metal can shaper
US6199420A · kind A · utility
36Cited by
7References
4Claims
0Family size
Inventor
Key dates
| Filing date | Apr 28, 1997 |
| Grant date | Mar 13, 2001 |
| Priority date | — |
| Expiry date | Apr 28, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D51/2615
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A machine for the forming of the body member of two-piece metal cans uses a carrier upon which are mounted six or more pairs of ram assemblies. The rams are driven by cam action on a fixed track and the rams each carry a pair of wheels which ride on the track. Each of the rams is rectangular in cross-section, to counteract centrifugal force, and is an aluminum alloy coated with a Teflon-ceramic coating so that the ram is light in weight and does not require a liquid lubricant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.