Retractable coater assembly including a coating blanket cylinder
US5178678A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1990 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Jun 27, 2010 |
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 an impression cylinder on the press unit (e.g. the impression cylinder of the last press unit) without interrupting or disrupting printing taking place in this last stage. The coating unit includes a special blanket cylinder, a transfer cylinder and doctor or metering means to control the amount of coating material on the transfer cylinder. Inclined tracks are provided to guide the coating unit into and out of operative relationship with the impression cylinder of the last printing stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.