Global Patent Index - EP 0945272 A3

EP 0945272 A3 2000-01-26 - Print head for an ink jet printer

Title (en)

Print head for an ink jet printer

Title (de)

Druckkopf für einen Tintenstrahldrucker

Title (fr)

Tête d'impression pour une imprimante à jet d'encre

Publication

EP 0945272 A3 (EN)

Application

EP 99106319 A

Priority

JP 2824898 D

Abstract (en)

[origin: EP0945272A2] A print head for an ink jet printer of the present invention includes a plurality of nozzles (6) for ejecting ink, an ink passage (3a,3,3b,5) fluidly communicated to the nozzles (6), and a filter (4) disposed in the ink passage (3a,3,3b,5). The ink passage (3a,3,3b,5) has a hydrophobic wall (9) upstream of the filter (4) and a hydrophilic wall (10) downstream of the filter. The print head is capable of reducing the deposition of bubbles on a nozzle portion and thereby insuring desirable printing free from defective ink ejection. <IMAGE>

IPC 1-7 (main, further and additional classification)

B41J 2/175

IPC 8 full level (invention and additional information)

B41J 2/175 (2006.01)

CPC (invention and additional information)

B41J 2/17523 (2013.01); B41J 2/17563 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0945272 A2 19990929; EP 0945272 A3 20000126

INPADOC legal status


2004-02-04 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030729

2002-06-19 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: FUJI XEROX CO., LTD.

2000-10-04 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: DE FR GB IT

2000-03-08 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000104

2000-01-26 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-01-26 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI

1999-09-29 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): DE FR GB IT

1999-09-29 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI