Global Patent Index - EP 0992864 A2

EP 0992864 A2 2000-04-12 - Ink layer fixing

Title (en)

Ink layer fixing

Title (de)

Farbauftragsfixierung

Title (fr)

Fixage d'une couche d'encrage

Publication

EP 0992864 A2 (DE)

Application

EP 99117814 A

Priority

  • DE 19846669 A
  • DE 19857044 A

Abstract (en)

The equipment has an infra red lamp (1) for heating the toner (7) deposited on the copier and/or laser printing paper (6). A primary reflector (4) concentrates the infrared beam on to the paper. A quartz glass tube (8) acts as a spectral filter. Provision can be made to prevent stray reflection of the beam on to other printer components and to cool the reflectors.

Abstract (de)

Die Erfindung betrifft die Fixierung eines Farbauftrages (7) auf einem blattartigen und/oder endlosen Träger (6), insbesondere von Tonerpulver auf Kopierpapier und/oder Laserdruckpapier, wobei der Farbauftrag (7) erwärmt wird, um eine dauerhafte Verbindung mit dem Träger (6) und insbesondere eine Vernetzung des Toners zu erzielen. Erfindungsgemäß wird der Farbauftrag (7) mit Infrarotstrahlung bestrahlt, so daß der Farbauftrag (7) durch Absorption zumindest eines Teils der Infrarotstrahlung erwärmt und fixiert wird. Insbesondere wird als Strahlungsquelle der Infrarotstrahlung eine Infrarotlampe verwendet, die vorzugsweise bei Emissionstemperaturen von 2500 K oder höher betrieben wird. <IMAGE>

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

G03G 15/20

IPC 8 full level (invention and additional information)

G03G 15/20 (2006.01)

CPC (invention and additional information)

G03G 15/2007 (2013.01)

Designated contracting state (EPC)

DE FR GB IT NL

EPO simple patent family

DE 29823683 U1 19990930; EP 0992864 A2 20000412; EP 0992864 A3 20010816; EP 0992864 B1 20050629

INPADOC legal status


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