Patent · US Expired

Inking mechanism for offset printing machines

US4573407A · kind A · utility

11Cited by
5References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 29, 1982
Grant dateMar 4, 1986
Priority date
Expiry dateOct 29, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41F31/00
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Inking unit for an offset printing machine with a plate cylinder which includes an ink applicator roll with an elastic surface cooperatively engaging the plate cylinder for delivering ink to the plate cylinder, an ink feeding system and an inking cylinder cooperating with the ink feeding system for receiving ink therefrom and cooperatively engaging the ink applicator roll so as to feed the ink in a continuous film thereto, the ink applicator roll having a diameter approximately equal to the diameter of the plate cylinder and being located downstream from the inking cylinder in ink feed direction, the ink applicator roll being rotatable in a given direction, and means for transfering dampening medium to the ink applicator roll in the given rotary direction thereof at a location of the ink applicator roll downstream of the location at which the ink applicator roll is in engagement with the inking cylinder and upstream of the location at which the ink applicator roll is in engagement with the plate cylinder.

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