Ink metering with individual ink knives respectively extending over the entire width of the inking zones
US4387648A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1980 |
| Grant date | Jun 14, 1983 |
| Priority date | — |
| Expiry date | Jun 12, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F31/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Ink duct for offset of letterpress printing machines with an ink metering unit formed of a plurality of zone-wide metering elements disposed closely adjacent one another and adjustable to zonally varying ink-gap thicknesses, and an ink duct roller forming part of the ink duct, including support and metering regions formed on the metering elements, the support regions being constantly in at least indirect contact under spring pressure with the ink duct roller, each of the metering regions of the respective metering elements extending over the entire respective zone width, the respective metering region, as viewed in rotary direction of the ink duct roller, being disposed downstream from and at such a spacing behind the support regions that ink located between the support and metering regions can spread axially and distribute uniformly over the entire zone width, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.