Global Patent Index - EP 1013459 A1

EP 1013459 A1 2000-06-28 - Air handling for an ink jet printhead

Title (en)

Air handling for an ink jet printhead

Title (de)

Luftbehandlung für Tintenstrahldruckkopf

Title (fr)

Traitement d'air pour tête d'impression à jet d'encre

Publication

EP 1013459 A1 (EN)

Application

EP 99309504 A

Priority

US 21108498 A

Abstract (en)

In a continuous ink jet printing system, the printhead is pressurized by the flow of filtered air supplied by the printhead docking station to which it is attached or docked. The printhead docking station has at least one fan (2) for moving air and for transferring the air from the printhead docking station into the printhead. The printhead receives air for the printhead docking station, and directs the air flow to the region around the jet array. The directing of air flow to the region around the jet array can also include reduction of air leakage from the printhead in regions which are away from the jet array region, such as by the use of a seamless cover, and eyelid sealing. Plenum (7) located in at least the printhead and/or printhead docking station serve to distribute the air across the width of the printhead. Filter media located in at least the printhead and/or printhead docking station are used to clean the air supplied to the printhead by the printhead docking station. In this way, filtered air is supplied to the ink jet printhead by the printhead docking station to which it is attached. The use of a one piece printhead cover and seals around the movable eyelid minimize air leakage from the printhead, ensuring the needed air flow in the critical region around the jets. <IMAGE>

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

B41J 29/377

IPC 8 full level (invention and additional information)

B41J 2/18 (2006.01); B41J 2/01 (2006.01); B41J 2/185 (2006.01); B41J 29/377 (2006.01)

CPC (invention and additional information)

B41J 29/377 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

EP 1013459 A1 20000628; EP 1013459 B1 20050928; CA 2292410 A1 20000614; DE 69927467 D1 20051103; DE 69927467 T2 20060629; JP 2000218832 A 20000808

INPADOC legal status


2009-04-30 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2008-12-31 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2008-11-14 [REG FR ST] NOTIFICATION OF LAPSE

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2008-10-31 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Effective date: 20080603

2008-07-23 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20071129

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2006-10-04 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2006-09-06 [26N] NO OPPOSITION FILED

- Effective date: 20060629

2006-06-02 [ET] FR: TRANSLATION FILED

2005-11-03 [REF] CORRESPONDS TO:

- Document: DE 69927467 P 20051103

2005-09-28 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB

2005-09-28 [REG GB FG4D] EUROPEAN PATENT GRANTED

2004-06-30 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: EASTMAN KODAK COMPANY

2001-04-04 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010214

2001-03-14 [AKX] PAYMENT OF DESIGNATION FEES

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2001-02-21 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001221

2000-06-28 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB

2000-06-28 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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