Device for fixing by suction an offset printing plate or like plate in planar state
US4479435A · kind A · utility
14Cited by
16References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1983 |
| Grant date | Oct 30, 1984 |
| Priority date | — |
| Expiry date | Jul 21, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S101/45
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for fixing by suction a printing plate comprises: a casing whose interior is partitioned into a large number of compartments having open front faces; a perforated punching plate fixed to the casing to cover the open front faces of all compartments; a valve device mounted on a valve port formed on the rear side of each compartment; and a negative pressure source connected by way of the valve ports to respective compartments and applying suction to all valve devices, whereby the printing plate placed on the punching plate is fixed by suction tightly thereagainst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.