Seiko Epson Corporation

Seiko Espon Corporation

Tadahiro Mizutani

Atsushi Kobayashi

Izumi Nozawa

Taku Ishizawa

Shun Oya

Hidetoshi Kodama

Ryoichi Tanaka

Hiroyuki Nakamura

Takumi Nagashima

Noriyuki Fukasawa

Kazumasa Harada

Naomi Kimura

Satoshi Nakata

Shoma Kudo

Yoshihiro Koizumi

Yoshiaki Shimizu

Koichi Toba

Takayuki Shiota

Makoto Kobayashi

Hiroyuki Kawate

Hiroaki Sakai

Shinichi Kamoshida

Ken Ikuma

Hitoshi Igarashi

Noriaki Okazawa

Tomoyuki Nakano

Hiroyuki Kobayashi

Kazuyoshi Ohashi

Masaru Takahashi

Yoshinao Miyata

Akihiro Toya

Kenta Anegawa

Manabu Yamada

Katsumi Okamoto

Masaru Kobashi

Hisashi Koike

Yoshiyuki Okazawa

Manabu Akahane

Kazutoshi Matsuzaki

Hidetaka Kawata

Tadashi Watanabe

Tetsuya Takamoto

Hideki Okumura

Manabu Yamaguchi

Ryota Takahashi

Hiroyoshi Ozeki

Takuma Ozawa

Atsunori Kitazawa

Akio Ito

Ryosuke Teramoto

Masatoshi Moteki

Hideo Shimamura

Hiroto Hanba

Seigo Miyazawa

Satoshi Oya

Tomoyuki Higuchi

Katsunori Ono

Hiroshi Shirotori

Yasuaki Hirai

Masato Haga

Tomoo Kubota

Kotoya Aruga

Kazuhiro Nishiwake

Mao Otashiro

Kenji Matsuyama

Yasuhiko Yoshikawa

Noriyuki Koyanagi, I

Shigeki Nakata

There is provided an ink replenishment container for replenishing an ink by engaging with an engaging portion included in a printer. The ink replenishment container includes a cylindrical ink outlet, a wall disposed around the ink outlet outside the ink outlet in a radial direction around a central axis of the ink outlet and extending in an axial direction along the central axis, and a recess-and-projection portion disposed in at least one location of an outer peripheral surface of the ink outlet, an inner peripheral surface of the wall, and a space between the outer peripheral surface of the ink outlet and the inner peripheral surface of the wall, the recess-and-projection portion engaging with the engaging portion of the printer, in a state where the printer is replenished with the ink.

Ink replenishment container and printer

An ink refill container includes: a container body portion; an ink-outlet forming portion coupled to the container body portion and including a cylindrical portion having an ink outlet; a sealing member provided in the cylindrical portion and having an opening that enables insertion and removal of an ink introduction conduit; a valve member provided to be configured to come into contact with the sealing member; a spring member configured to urge the valve member toward the sealing member; and a valve holder holding at least the valve member and the spring member, and the valve holder includes an engagement portion configured to detachably engage at least one of the ink-outlet forming portion and the container body portion.

Ink refill container

An attachment that is detachably mounted to a cartridge mounting unit of a printing apparatus, the cartridge mounting unit including a liquid introduction portion that receives a liquid, and a restricting mechanism that restricts a rotation movement of an incompatible cartridge in a rotation mounting direction to be mounted by interfering with the incompatible cartridge, the attachment including a release portion that releases restriction by the restricting mechanism by pushing a part of the restricting mechanism in a pre-determined insertion direction, and a maintaining portion that maintains a mounted state of the attachment in cooperation with the cartridge mounting unit.

Attachment and printing system

A cartridge including a first guide rib and a second guide rib that extend in the Y direction and project outward in the X direction. In an attachment state in which a cap is attached to the cartridge, the cap includes a sealing wall having a liquid holding portion that faces the liquid supply portion, a first projecting rib projecting in a direction opposite to a projecting direction of the first guide rib, a second projecting rib projecting in a direction opposite to a projecting direction of the second guide rib, a first recessed portion that is formed between the sealing wall and the first projecting rib and accommodates the first guide rib, and a second recessed portion that is formed between the sealing wall and the second projecting rib and accommodates the second guide rib.

Cap and cartridge unit

A printer includes: a first ink tank; a second ink tank, both mounted on an X-Y plane; and a window that enables a liquid level of each of the first and second ink tanks to be visually checked from an outside of the printer, the window being disposed in an X-Z plane or a Y-Z plane. The X-Y plane, X-Z plane and Y-Z plane are defined by X-, Y-, and Z-axes, which are mutually orthogonal to. Each of the first and second ink tanks includes a first segment and a second segment, the first segment for arranging the first ink tank and the second ink tank side by side in a direction along the Y-axis, the second segment positioned out of alignment with the first segment in the X-axis direction. At least one of the first segment and the second segment has a visual check section facing the window.

Printer

An ink refill container for refilling a printer having an ink inlet flow-path member with ink includes: a container body portion configured to store ink; and an ink-outlet forming portion coupled to the container body portion and having a cylindrical portion forming an ink outlet. The ink-outlet forming portion includes a valve disposed in the cylindrical portion and configured to be opened by the ink inlet flow-path member inserted in the cylindrical portion, and closed by withdrawal of the ink inlet flow-path member from the cylindrical portion; a sealing member disposed at the ink outlet and configured to be in contact with the valve in a closed state of the valve; a holder member configured to hold at least one of the valve and the sealing member; and a fixing portion configured to fix the holder member to the cylindrical portion.

An ink refill container includes a container main body including an ink storage chamber, an ink outlet-forming portion provided on an end portion of the container main body forming an ink outlet that allows the ink to flow out from the ink storage chamber, and a valve provided in the ink outlet-forming portion configured to openably seal the ink outlet, in which the ink outlet-forming portion includes a positioning portion on an outer side of the ink outlet-forming portion. in which the positioning portion is closer to the container main body than the valve is to the container main body in a central axis direction of the ink outlet, and in which the positioning portion partially abuts against an ink tank when the valve is opened for refilling the ink to the ink tank, to thereby position the valve relative to the ink tank.

Ink refill container, ink refill system, and ink refill adapter

An ink refill container configured to refill an ink tank with ink includes a container main body having an ink chamber; an ink outlet forming portion provided at an edge of the container main body including an ink outlet configured to allow ink to flow out from the ink chamber; a valve provided in ink outlet forming portion and configured to seal the ink outlet in an openable and closable manner; and a positioning structure configured to abut on part of the ink tank and position the valve relative to ink tank when valve is opened. The positioning structure has a positioning surface located on an opposite side to a container main body side where the container main body is located, across the valve and extends in a direction intersecting with a center axis of the ink outlet.

Ink refill container and ink refill system

A liquid holding member includes a bottom surface, and a plurality of convex portions projecting from the bottom surface. Each of the convex portions includes a plurality of surfaces. The convex portions are molded integrally with the bottom surface.

Liquid holding member, cap, and cartridge

Ink cartridge

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

When a known lid member was merely applied to a bottle that contains ink, there was room for improvement in terms of the operation of the lid member and the way how to bring attention to the handling thereof. A bottle set is provided that includes: a bottle that includes an ink container that contains ink, and an outflow port through which the ink in the ink container flows out to the outside; and a lid member that is configured to attach to and detach from the bottle, and is configured to cover the outflow port in a state of being attached to the bottle. The lid member includes a colored portion that has optical transparency and is colored with a color corresponding to a type of the ink contained in the ink container in at least a portion of the lid member.

Bottle set and bottle

There is provided an ink replenishment container for replenishing ink into an ink tank via an ink inlet flow path member having a plurality of flow paths, the ink replenishment container including a container main body, an ink outlet forming portion, and an outlet valve unit. The outlet valve unit includes a valve housing mounted to provide a gap with an inner peripheral surface of a tubular portion in the tubular portion, a sealing member, and a valve body movable between a valve close state in contact with the sealing member and a valve open state separated from the sealing member. The valve body has a partition contact portion capable of contacting a partition of the ink inlet flow path member. The valve housing has a through-hole that communicates with the gap, and the through-hole communicates with the ink inlet flow path member in the valve open state.

Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.

Ink bottle and bottle set

Growing community of inventors

Shiojiri, Japan

Tadahiro Mizutani