Patent · US Expired

Cleaning and repairing fluid for printhead cleaning

US6726304B2 · kind B2 · utility

16Cited by
26References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 1998
Grant dateApr 27, 2004
Priority date
Expiry dateNov 6, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J29/17
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink jet printing apparatus having a cleaning station that cleans the orifice plate with a cleaning liquid. The cleaning liquid includes a hydrophobic additive that has a strong affinity for the orifice plate material and which coats the orifice plate to form a protective coating. If a portion of the protective coating is removed, that portion will be repaired by the additive.

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