Global Patent Index - EP 0931654 A1

EP 0931654 A1 19990728 - Ink jet nozzle head

Title (en)

Ink jet nozzle head

Title (de)

Tintenstrahldüsenkopf

Title (fr)

Tête à buse à jet d'encre

Publication

EP 0931654 A1 19990728 (EN)

Application

EP 99200091 A 19990112

Priority

  • EP 99200091 A 19990112
  • EP 98200190 A 19980123

Abstract (en)

Ink jet nozzle head comprising: means (12) defining a nozzle (16) and an ink channel (18) connected to said nozzle, a diaphragm (20) covering at least a portion of said ink channel (18), actuator means (24) capable of deflecting the diaphragm, and bump means (32) arranged for concentrating the force of the actuator means that is applied to the diaphragm, characterized in that the diaphragm (20) has at least two layers (28, 30), and the bump means (32) form a spacer intervening between these two layers. <IMAGE>

IPC 1-7

B41J 2/14; B41J 2/16

IPC 8 full level

B41J 2/14 (2006.01); B41J 2/16 (2006.01)

CPC (source: EP)

B41J 2/14274 (2013.01); B41J 2/1612 (2013.01); B41J 2/1623 (2013.01); B41J 2/1626 (2013.01); B41J 2/1632 (2013.01); B41J 2/1635 (2013.01); B41J 2002/14379 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0931654 A1 19990728; EP 0931654 B1 20031203

DOCDB simple family (application)

EP 99200091 A 19990112