B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/305 (2006.01) B41J 2/175 (2006.01)
Patent
CA 2198806
The invention is directed to an ink cartridge for use in printing an ink on a print medium with an electronic printer. The ink cartridge includes an ink disposed therein having a viscosity of between approximately 1.5 and 10 centipoise. An ink cartridge has an unfelted foam therein. The foam carries the ink and has a plurality of pores disposed substantially in communication with each other. The pores have an effective porosity of between approximately 60 and 90 pores per inch. The ink cartridge further has a printhead assembly disposed in fluid communication with the foam. The foam has an effective porosity, dependent on the viscosity of the ink, wherein ink is allowed to flow from the foam to the printhead assembly during periods of operation, and is substantially prevented from flowing from the printhead assembly during periods of inoperation.
L'invention a pour objet une cartouche d'encre servant à l'impression à l'encre sur un support d'impression au moyen d'une imprimante électronique. La cartouche d'encre contient une encre de viscosité comprise approximativement entre 1,5 et 10 centipoises. Une cartouche d'encre renferme une mousse non feutrée. La mousse est porteuse de l'encre et comporte une pluralité de pores substantiellement en communication les uns avec les autres. La porosité effective de la mousse se situe approximativement entre 60 et 90 pores par pouce. La cartouche d'encre a en outre une tête d'impression en communication fluide avec la mousse. La porosité effective de la mousse permet à l'encre, selon sa viscosité, de s'écouler de la mousse à la tête d.'impression durant les périodes de fonctionnement de l'imprimante, et l'empêche substantiellement de s'écouler de la tête d'impression durant les périodes de non-fonctionnement.
Harshbarger Kenneth James
Suthar Ajay Kanubhai
Lexmark International Inc.
Smart & Biggar
LandOfFree
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