Liquid discharging head, head cartridge, liquid discharging...

B - Operations – Transporting – 41 – J

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B41J 2/05 (2006.01) B41J 2/14 (2006.01) B41J 2/16 (2006.01)

Patent

CA 2210377

A liquid discharging head comprises a discharge opening for discharging a liquid, a bubble generation region for generating a bubble in a liquid, and a movable member disposed so as to face the bubble generation region and arranged as displaceable between a first position and a second position more distant from the bubble generation region than the first position, wherein the movable member has the narrowest space in the bubble generation region and is displaced from the first position to the second position by pressure based on generation of the bubble in the bubble generation region, and wherein the bubble is made to expand greater downstream than upstream with respect to a direction toward the discharge opening, by displacement of the movable member.

Une tête de distribution de liquide comprend un orifice de distribution d'un liquide, une zone de production de bulles pour produire une bulle dans un liquide, et une pièce mobile faisant face à la zone de production de bulles et qui peut être déplacée entre une première position et une seconde position plus éloignée de la zone de production de bulles que la première position, où la pièce mobile a l'espace le plus étroit dans la zone de production de bulles et est déplacée de la première position à la seconde par la pression causée par la production de la bulle dans la zone de production de bulles, et où la bulle peut prendre plus d'expansion en aval qu'en amont en direction de l'orifice de distribution, en raison du déplacement de la pièce mobile.

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