Patent · US Expired

Inking system for lithographic printing

US5031529A · kind A · utility

9Cited by
6References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 19, 1990
Grant dateJul 16, 1991
Priority date
Expiry dateApr 19, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41F31/08
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Ink is applied to a lithographic printing plate from an engraved roller provided with a plurality of cells in its surface. Ink is introduced into the cells by an inking device comprising a pressurized substantially closed ink duct defined by an axially extending sealing member contacting or close to the surface and an axially extending doctor blade in contact with the surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.