Gravure press for making multicolor proofs
US4072103A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1976 |
| Grant date | Feb 7, 1978 |
| Priority date | — |
| Expiry date | Oct 26, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41P2235/31
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A hand fed gravure press primarily for use in making multicolor proofs. A carriage assembly for moving relative to the press bed and comprising an impression cylinder for holding the paper, an ink distribution system for consistently applying a selectable quantity of ink at a predetermined location, a doctor blade spaced a distance from the ink system for spreading the ink across a printing plate and a cleaning unit for removing excess or dried ink from the plate after printing is completed. A control system for regulating the movement of the carriage assembly and the operation of the ink distribution system, the doctor blade and the cleaning unit. The ink distribution system comprising a plurality of reservoirs for separately storing a different color ink, a plurality of channeled cylinders each connected to a respective reservoir for receiving and temporarily retaining a selectable quantity of ink and a plurality of actuators each connected to a corresponding channeled cylinder for dispensing the temporarily retained ink onto the printing plate at a predetermined location. The cleaning unit comprises an applicator for spraying solvent on the surface of the printing plate, two opp…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.