Dampening-inking unit for offset printing machines
US4440081A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1982 |
| Grant date | Apr 3, 1984 |
| Priority date | — |
| Expiry date | Nov 19, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F7/36
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Dampening-inking unit for offset printing machines for forming and feeding an ink-water emulsion to a plate cylinder including a first and a second distributor roller, two inking rollers disposed between the first and second distributor rollers and connected to one another by an intermediate roller, the first distributor roller being a dampening-medium distributor roller in contact with one of the two inking rollers at a given contact location, means for driving the dampening-medium distributor roller, a fountain roller dipping into a dampening-medium tank, and a metering roller engageable with the fountain roller, the metering roller being also engageable with the one of the two inking rollers at a given contact location, the contact location of the metering roller and the one inking roller being upstream of the contact location of the dampening-medium distributor roller and the one inking roller, as viewed in direction of rotation of the one inking roller, the dampening-medium distributor roller having a rough chromium outer cylindrical surface for driving the first inking roller and for intensively working-in dampening medium applied to the one inking roller into an ink film dis…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.