Seiko Epson Corporation

Seiko Epson Corporaition

Manabu Yamaguchi

Hiroyuki Kawate

Hiroyoshi Ozeki

Takumi Nagashima

Tadahiro Mizutani

Yoshiaki Shimizu

Akihiro Toya

Tetsuya Takamoto

Takuma Ozawa

Satoshi Oya

Taku Ishizawa

Shun Oya

Yoshihiro Koizumi

Koichi Toba

Tadashi Watanabe

Keigo Yamasaki

Kotoya Aruga

Hiroyushi Ozeki

There is provided an ink replenishment container for replenishing ink into an ink tank via an ink inlet flow path member, the ink replenishment container including a container main body, an ink outlet forming portion having a tubular portion, a spring valve having a valve body mounted in the tubular portion and a spring for urging the valve body toward the ink outlet, and a sealing member mounted in the tubular portion and having a sealing end configured to contact with the valve body in a valve close state, in which the sealing member has a cylindrical inner peripheral wall and an elastic membrane portion extending from the inner peripheral wall toward a center, and the elastic membrane portion is formed with a slit-shaped gap passing through a center portion including the center.

Ink replenishment container

A manufacturing method of a liquid storage body includes: preparing a pre-restored storage body that has a bag to which a connection member is attached, and that is thereby sealed, the connection member being provided with a liquid outlet port, a storage-body-side electrical connection portion, a first receiving portion that receives a first positioning portion, and a second receiving portion that receives a second positioning portion; forming a communication portion that is in communication with the internal space of the bag by processing the bag; injecting a liquid from the communication portion into the internal space of the bag; and closing the communication portion so as to seal the bag.

Manufacturing method of liquid storage body and restored liquid storage body

There is provided a technique of improving the mounting position of a liquid container relative to a liquid ejection device. The liquid container configured to be mountable to and dismountable from a case of the liquid ejection device includes a bag-like member that has flexibility and that includes a containing portion provided to contain a liquid inside thereof; and connection member that is located at an end of the bag-like member. The connection member includes a liquid outlet configured such that a liquid introducing element of the liquid ejection device is inserted in the liquid outlet; a container-side electrical connecting structure configured such that a device-side electrical connecting structure of the liquid ejection device is connected with the container-side electrical connecting structure; and two guided elements configured such that at least respective parts of two guide elements of the case are fitted in the two guided elements in a state that the liquid container is placed in the case. In a mounting state that the liquid container is mounted to the liquid ejection device, the liquid outlet is located between the two guided elements, and the container-side electrical connecting structure is located between one of the two guided elements and the liquid outlet.

Liquid container

A liquid supplier can be attached to and detached from a case of a liquid ejection device, and includes a connection member located at an end of the case. The connection member includes a liquid outlet member including a liquid outlet port and a connection port, a container-side electric connector, a first receiving portion that receives a first positioning portion of the liquid ejection device, and a second receiving portion that receives a second positioning portion of the liquid ejection device. The width of the liquid supplier in the Z direction is smaller than a width in the Y direction and a width in the X direction. The liquid supplier further includes a tube whose one end is connected to the connection port, and into which liquid is injected from another end that is located outside the liquid ejection device.

Liquid supplier, liquid supply system, and method of manufacturing liquid supplier

A liquid container includes: a flexible bag provided with a liquid container that internally contains the liquid; a liquid outlet member attached to a one end portion of the bag; and a connection member that is attached to the one end portion of the bag so as to cover the liquid outlet member and a portion of the one end portion of the bag from the outside. The bag includes a sealed portion on an outer periphery side relative to the liquid container, the sealed portion includes a one end portion-side sealed portion, and a first width, which is a width of the one end portion-side sealed portion in at least a surrounding region of the connection member, is larger than a second width, which is a width of the sealed portion at other ends of the bag.

Liquid container and liquid ejection device

Liquid and sedimentary components are kept from remaining in a bag of a liquid container. The liquid container includes a flexible bag in which a liquid storage portion for containing a liquid is provided, a liquid outlet member that is attached to one edge portion of the bag, and has a liquid outlet portion for leading out the liquid to a liquid ejection apparatus, a spacer member arranged in the liquid storage portion, and a liquid outlet tube that constitutes a flow path of liquid extending in the liquid storage portion from the liquid outlet member toward the spacer member. The spacer member is arranged at a position separated from an end portion of the liquid storage portion, and at least one directing channel extending from the end portion side of the liquid storage portion in a direction approaching the spacer member is formed in the liquid storage portion.

A packing member includes a first section arranged to face a first face of a flexible bag of the liquid container along a DW plane that includes the D direction and the W direction; a second section arranged to face a second face of the bag along the DW plane, and sandwiches the bag in the T direction in cooperation with the first section; a fixing portion that fixes the first section and the second section in a state of sandwiching the bag in the T direction; and a pressurizing portion that presses the region of a portion of the bag sandwiched between the first section and the second section in a fixed state where the bag is fixed between the first section and the second section by the fixing portion, such that pressure in the liquid storage portion rises.

Packing member for liquid container

The liquid container is detachable from a case of a liquid ejection apparatus. The liquid container has a bag-shaped member that is flexible and has a storage portion for storing a liquid therein, and a connection member attached to the bag-shaped member. The connection member has a liquid introducing outlet into which a liquid introducing portion of the liquid ejection apparatus is inserted, a container-side electrical connection unit to which an apparatus-side electrical connection unit of the liquid ejection apparatus is connected, and a handle that pivots with respect to the connection member. In a state where the liquid container is arranged in the case, the handle is provided at a position exposed to the outside of the case, and when the liquid container is mounted to/removed from the case, the handle is brought into a second orientation in which the handle is pivoted from a first orientation.

The liquid container has a spacer member provided in the liquid storage portion. When three directions orthogonal to each other are assumed to be a D direction, a T direction, and a W direction, in the D direction, a direction from a liquid outlet portion toward the other edge portion of the bag is assumed to be a +D direction, and the opposite direction to the +D direction is assumed to be a &#x2212;D direction, and a direction in which the dimension of the outer shape of the liquid container is smallest is assumed to be the T direction, and the spacer member has, on the +D direction side, a face inclined such that the dimension in the T direction of the spacer member increases from the +D direction side toward the &#x2212;D direction side.

A liquid containing member that can supply a liquid having a uniform concentration of a precipitating component to a liquid ejecting portion is provided. A liquid containing member includes: a liquid containing portion that can contain ink; a liquid supply port for supplying the ink contained in the liquid containing portion to a liquid ejection head; and a communication channel that is in communication with the liquid containing portion and the liquid supply port. The communication channel has a first end that is positioned at a lower end on the gravity direction side in the liquid containing portion and can suck the ink, and a second end that is positioned closer to the anti-gravity direction side than the first end is, and can suck the ink, in an in-use state in which the ink is supplied from the liquid supply port to the liquid ejection head.

Liquid containing member

Provided is a liquid ejection device including a liquid container tray that can suppress change in orientation and position of a liquid container on a support surface due to the difference in size of the liquid container. The liquid ejection device includes: a casing including a guide wall: a liquid container tray configured to support a liquid container: and a recording head that ejects liquid supplied from the liquid container that is supported by the liquid container tray to a medium. The liquid container tray is configured to be inserted to or removed from a casing along the guide wall, and includes a support surface that supports the liquid container and a movable wall configured to move in at least one direction on the support surface.

Liquid container tray and liquid ejection device

A liquid ejecting apparatus includes: a printing head; and a liquid supply unit. The printing head has a reservoir, a plurality of liquid supply ports connected to the reservoir, and a liquid introduction inlet. A first liquid supply port and a second liquid supply port are positioned at ends of the plurality of liquid supply ports in a first direction. Outer periphery of the liquid introduction inlet includes one end section and another end section in the first direction. The one end section is closer to the first liquid supply port than the second liquid supply port. The liquid includes a first liquid with a high content of pigment, and a second liquid with a lower content of pigment. The liquid supply unit supplies the second liquid to the one end section of the liquid introduction inlet.

Growing community of inventors

Shiojiri, Japan

Manabu Yamaguchi