Patent · US Expired

Ink supply control device for printing machines and a method therefor

US6453812B1 · kind B1 · utility

6Cited by
7References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 2000
Grant dateSep 24, 2002
Priority date
Expiry dateMar 10, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41F33/00
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Prior to printing work, the operator of the printing machine selectively inputs a kind of the printing paper (such as one of coated paper, mat-coated paper, and non-coated paper and so on) through a paper-type input portion 17. A CPU 11 controls the supply of ink according to the type of printing paper to be used as a result of controlling one of the operation of ink fountain keys, an ink fountain roller, and an ink ductor roller using an ink fountain key controller 21, an ink fountain roller controller 22, and an ink ductor roller controller 23.

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