Method and apparatus for holding a printing plate on a vacuum drum
US5947028A · kind A · utility
5Cited by
6References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1998 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | May 7, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41P2227/62
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The holding of metal printing plates on a rotating drum using vacuum is greatly improved by bending at least one edge of the plate with a curvature approximately matching the drum curvature. Plate can be bent back to flat shape after unloading.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.