Ink feeder of a printing press and ink scraper with separated ink guide
US5979319A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Sep 11, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41P2231/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink feeder comprises a plurality of ink tanks for storing inks and wetting water, disposed in a transverse direction of an ink fountain roller, a vane wheel disposed at the bottom of an ink tank, an ink pump for feeding ink, an ink feed blade for adjusting the quantity of ink supplied from the ink pump to the ink fountain roller to a constant value, and a coupling for transmitting the driving force of a single motor to the vane wheel and the ink pump provided to each ink tank. The ink tanks, the ink pump, the ink feed nozzle, the ink feed pipe and the ink feed blade mechanism may be built into one unit, and this unit can be fitted to and removed from the main body of the printing press. The ink feeder may be equipped with an ink scraper comprising scraped ink separators arranged parallel in the axial direction of the scraping doctor support device. Each of the scraped ink separators may include an ink guide plate for guiding the ink scraped from the surface of the doctor roller, provided at the bottom, and color mixture preventive walls for preventing mixture of adjacent inks, provided on both sides of the guide plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.