Patent · US Expired

Ink jet recording apparatus for recovering recording head

US5561448A · kind A · utility

47Cited by
14References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 12, 1993
Grant dateOct 1, 1996
Priority date
Expiry dateMar 12, 2013

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2202/12
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink jet recording apparatus which records by discharging ink onto a recording medium comprises recording head for recording on the recording medium by discharging ink through discharge ports; an ink tank for storing the ink; a first ink flow channel for passing the ink from the ink tank to the recording head; a second ink flow channel for passing the ink from the recording head into the ink tank; a third ink flow channel communicating the ink tank with the first ink channel; a filter provided in the first ink flow channel; and a back flow prevention valve provided in the first, the second and the third ink flow channels.

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