Patent · US Expired

Ink jet recording apparatus with efficient circulation recovery

US5231424A · kind A · utility

45Cited by
13References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1991
Grant dateJul 27, 1993
Priority date
Expiry dateFeb 25, 2011

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 filter provided in the first ink flow channel; and a back flow prevention valve provided in the second ink flow channel.

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