Global Patent Index - EP 1641622 A1

EP 1641622 A1 20060405 - INK JET PRINTER WITH INK PRESSURE CONTROL

Title (en)

INK JET PRINTER WITH INK PRESSURE CONTROL

Title (de)

TINTENSTRAHLDRUCKER UND TINTENDRUCKKONTROLLE

Title (fr)

IMPRIMANTE A JET D'ENCRE A COMMANDE DE PRESSION D'ENCRE

Publication

EP 1641622 A1 20060405 (EN)

Application

EP 04748724 A 20040708

Priority

  • NL 2004000498 W 20040708
  • NL 1023848 A 20030708

Abstract (en)

[origin: WO2005002860A1] An Ink jet printer, for instance for printing textile, paper, packagings such as food packages, for instance cardboard boxes, food cans, milk packs or the like, has an ink circuit which comprises: at least one supply container (1) for ink; a first pump (6) connecting thereto via a first conduit (62); at least one electrically controlled ink jet head (12) connecting thereto via a second conduit (73, 74); a buffer vessel (75) which is arranged in the second conduit and of which the infeed (33) is located higher than the outfeed (34) and the ink level (35) is situated at a height between the height of the infeed and the height of the outfeed; an air tank (10) connecting above the ink level to the buffer vessel; and pressure adjustment (21) means for adjusting the air pressure in the air tank and thereby holding the height of the ink level constant within chosen tolerances.

IPC 1-7

B41J 2/175

IPC 8 full level

B41J 2/175 (2006.01)

CPC (source: EP)

B41J 2/175 (2013.01); B41J 2/17566 (2013.01)

Citation (search report)

See references of WO 2005002860A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005002860 A1 20050113; AT E378185 T1 20071115; DE 602004010125 D1 20071227; DE 602004010125 T2 20080731; EP 1641622 A1 20060405; EP 1641622 B1 20071114; ES 2297447 T3 20080501

DOCDB simple family (application)

NL 2004000498 W 20040708; AT 04748724 T 20040708; DE 602004010125 T 20040708; EP 04748724 A 20040708; ES 04748724 T 20040708