Patent · US Expired

Retractable coater assembly including a coating blanket cylinder

US4934305A · kind A · utility

20Cited by
18References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 1989
Grant dateJun 19, 1990
Priority date
Expiry dateJun 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.