Process and arrangement for production of printing plate support
US4897168A · kind A · utility
15Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1988 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | May 3, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S204/09
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a roughened printing plate support of aluminum or an alloy thereof, which shows equally distributed tubular depressions. Furthermore, a process for the production of the printing plate-support is disclosed, in which roughening is performed in an acidic electrolyte by means of a pulsed direct current. The invention also relates to arrangements which are suitable for carrying out the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.