摘要:
An ink tank is attachable to the attachment section by positioning first engagement sections at first fitting sections on the attachment section and then locking a second engagement section to a second fitting section of the attachment section by rotating the tank. The multiple supply ports are arranged on a bottom face of the tank such that the supply ports are on both sides of a center line in a width direction of the tank, and that distances between each of abutting centers configured to abut ink receiving parts of the attachment section, and the first engagement section side in a direction along a center line are mutually different. It is possible to avoid reception of a reactive force to the ink receiving parts at one time when rotating and attaching the tank, and to achieve stable attachment while suppressing excessive inclination of the tank at the time of attachment.
摘要:
By solving the problem of unstable ink supply which occurs due to bubble stagnation in a communication portion at a high ink supply rate per unit time when a fiber absorbent is used as a negative pressure generating member in the ink tank or ink supply system in which a negative pressure generating member container is adjacent to a liquid container, the present invention provides an ink tank and a liquid supply system which supply ink stably.
摘要:
An ink supply system which includes an ink jet head for discharging ink and an ink tank retaining ink to be supplied to the ink jet head through a passage. A negative pressure generating container is provided along the passage, and generates negative pressure by a restoring force at the time of being deformed. With the ink supply system thus structured, it becomes possible to perform stable recording, because the fluctuation of flow resistance due to the fluctuation of discharge amount is made smaller, and also, there is almost no fluctuation of pressure along the carriage operation. Also, the retaining amount of ink becomes suitably greater for the performance of higher speed printing, and the replacement of ink tanks is possible, while ink still remains in the negative pressure generating container, hence making it possible to essentially prevent a complete ink depletion.
摘要:
A liquid container includes an outer wall constituting a casing, an inner wall constituting an inner bladder for accommodating liquid, with the inner bladder having an outer shape substantially equivalent to an inner shape of the outer wall, and the inner bladder having a flexibility and being separable from the casing, and a pinch-off portion where portions of the inner wall are welded to each other and are pinched by the outer wall to be supported by the outer wall. The inner wall includes a thicker portion having a larger thickness than another portion of the inner wall at both sides of the welded portion, and a cavity is provided between an outer surface of the thicker portion of the inner wall and an inner surface of a corresponding portion of the outer wall.
摘要:
To provide a recording liquid feed path, recording liquid container, and recording liquid feed device having the same, as well surface modifying method for the recording liquid feed device to feed efficiently a recording liquid for ejection through a feed tube. If the interior of the feed tube is not rendered hydrophilic as shown in FIG. 3A, air which has passed through a wall of the feed tube forms a bubble, which bubble adheres to an inner surface of the feed tube and obstructs a flow of the recording liquid. But if the inner surface of the feed tube is rendered hydrophilic to form a hydrophilic surface as shown in FIG. 3B, the recording liquid is conducted along the hydrophilic surface at the inner surface portion of the feed tube with the bubble adhered thereto, so that the adhesion area of the bubble to the feed tube inner surface is reduced and the bubble floats from the inner surface. Consequently, when the recording liquid is fed, the bubble can be removed easily by the flow of the recording liquid and thus the flow of the recording liquid can be prevented from being obstructed by the bubble.
摘要:
An ink container for containing ink to be supplied to a recording head, the ink container includes an ink container casing; an ink supplying portion provided in the ink container casing and constituting an opening for permitting supply of the ink to the recording head; and an inclined portion provided in a region of the casing which is above, in a use state of the ink container, the ink supplying portion on a side of the casing having the ink supplying portion, the inclined portion being inclined toward inside of the casing.
摘要:
A liquid ejection head cartridge includes a head portion for ejecting liquid; a liquid supply portion for supplying the liquid to the recording head portion; an air vent for fluid communication with ambience and a negative pressure producing member accommodating container accommodating a negative pressure producing member capable of retaining liquid therein; a liquid reservoir having a liquid reservoir portion for containing liquid and constituting a substantially sealed space except for a communication portion with the negative pressure producing member accommodating container; a container holder for holding the liquid reservoir and the negative pressure producing member accommodating container which are in fluid communication with each other through the communicating portion and having a liquid supply path to the recording head from a liquid supply portion of the negative pressure producing member accommodating container; wherein the recording head portion, the negative pressure producing member accommodating container and the liquid reservoir are independently separable from the container holder.
摘要:
An ink tank provided with a supply port for supplying the ink contained therein and an electric contact for information transmission is smoothly and securely attached to an attachment section of a printing apparatus while achieving secure connection of an electric contact section at the same time. The ink tank is configured to be attachable to the attachment section by positioning a first engagement section at a first fitting section on the attachment section, and then by rotating the ink tank around the positioned first engagement section to lock a second engagement section to a second fitting section on the attachment section. The supply port and a positioning section for the contact are disposed on the bottom face of the ink tank so as to be on the respective two sides of the center line in the width direction of the ink tank therebetween.
摘要:
An ink tank provided with a supply port for supplying the ink contained therein and an electric contact for information transmission is smoothly and securely attached to an attachment section of a printing apparatus while achieving secure connection of an electric contact section at the same time. The ink tank is configured to be attachable to the attachment section by positioning a first engagement section at a first fitting section on the attachment section, and then by rotating the ink tank around the positioned first engagement section to lock a second engagement section to a second fitting section on the attachment section. The supply port and a positioning section for the contact are disposed on the bottom face of the ink tank so as to be on the respective two sides of the center line in the width direction of the ink tank therebetween.
摘要:
An ink tank provided with a supply port for supplying the ink contained therein and an electric contact for information transmission is smoothly and securely attached to an attachment section of a printing apparatus while achieving secure connection of an electric contact section at the same time. The ink tank is configured to be attachable to the attachment section by positioning a first engagement section at a first fitting section on the attachment section, and then by rotating the ink tank around the positioned first engagement section to lock a second engagement section to a second fitting section on the attachment section. The supply port and a positioning section for the contact are disposed on the bottom face of the ink tank so as to be on the respective two sides of the center line in the width direction of the ink tank therebetween.