Retractable coater assembly including a coating blanket cylinder
US4934305A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1989 |
| Grant date | Jun 19, 1990 |
| Priority date | — |
| Expiry date | Jun 13, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F23/08
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An addition to a multi-color lithographic offset printing press comprising a self-contained coating unit moveable into and out of operative relationship with the last stage impression cylinder without interrupting or disrupting printing taking place in this last stage. The coating unit includes a special blanket cylinder, a transfer roller and doctor or metering means to control the amount of coating material on the transfer roller. Inclined tracks are provided to guide the coating unit into and out of operative relationship with the impression roller of the last printing stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.