Method, device and apparatus for the surface treatment of metal can bodies, in particular of Al or alloys thereof
US5435899A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1993 |
| Grant date | Jul 25, 1995 |
| Priority date | — |
| Expiry date | Oct 29, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D13/14
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An apparatus for cleaning, rinsing and coating a metal can body comprising a tank for containing a liquid, an electrically conductive nozzle maintained in a substantially vertical direction and means for supporting a can body inverted over the nozzle. An electrical contact is disposed in an upper portion of the tank directly above the nozzle and the can body is free to move upwardly between the nozzle and the electrical contact under the force of liquid flowing through the nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.