Patent · US Expired

Orifice plate for ink jet printer

US4549188A · kind A · utility

16Cited by
7References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 9, 1984
Grant dateOct 22, 1985
Priority date
Expiry dateJan 9, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/1629
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An orifice plate for an ink jet printer is disclosed. The orifice plate includes a plurality of sections of glass capillaries of equal length bonded vertically in a ceramic sheet in equidistant linear alignment. The face of one end of each capillary is flush with the bottom (unexposed) face of the ceramic sheet and the other end of the capillary projects from the top (exposed) face of the ceramic sheet. The bottom face of the ceramic sheet is bonded to a rigid support plate having a plurality of openings in communication with each of the glass capillaries. A method for preparing the novel orifice plates also is disclosed.

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