Patent · US Expired

Printhead with multiple ink feeding channels

US6719913B2 · kind B2 · utility

5Cited by
7References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 2002
Grant dateApr 13, 2004
Priority date
Expiry dateJun 27, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2002/14411
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A thermal ink jet printhead (40) for the emission of droplets of ink on a print medium (46) comprises a reservoir (103) containing ink (142), a die (61), a slot (102) engraved in said die (61) and a plurality of ejectors (73), each of which in turn comprises a chamber (74), a resistor (27) and a nozzle (56), each of said chambers (74) being put in fluid communication with said slot (102) through a plurality of elementary ducts (72) lying on a different plane from the bottom (67) of said chamber (74).

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