Liquid jet structure, ink jet type recording head and printer

Details Liquid jet structure, ink jet type recording head and printer Liquid jet structure, ink jet type recording head and printer

B - Operations, Transporting

41

J

B41J 2/135 (2006.01) B41J 2/14 (2006.01) B41J 2/16 (2006.01)

Patent

CA 2278601

A liquid jet structure equipped with a nozzle (11) for jetting a liquid (6), characterized in that the flow passage (140, 130) inside the nozzle is set in such a fashion that its degree of affinity for the liquid (6) to be jetted varies depending on the flowing direction of the liquid. The straight moving property of the droplets can be improved and the diameter of the droplets can be stabilized by controlling this affinity. This liquid jet structure is suitable for an ink jet recording head.

On décrit une structure de jet de liquide, équipée d'une buse (11) pour pulvériser un liquide (6) se caractérisant en ce que le passage d'écoulement (130, 140) à l'intérieur de la buse est conçu de telle manière que son degré d'affinité pour le liquide (6) à pulvériser varie en fonction du sens d'écoulement du liquide. La propriété de déplacement rectiligne des gouttes peut être améliorée et le diamètre des gouttes peut être stabilisé par régulation de cette affinité. La structure de jet de liquide convient pour une tête d'écriture à jet d'encre.

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