# US 9,039,150 B2 · Liquid container and liquid ejecting apparatus

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- Number: US 9,039,150 B2
- Document ID: US9039150B2
- Status: Granted
- Kind: B2
- Application number: 14/187,368
- Filed: 2014-02-24
- Published: 2014-08-28
- Granted: 2015-05-26
- Earliest claimed: 2013-02-25
- Assignees: Seiko Epson Corporation
- Applicants: Seiko Epson Corporation
- Inventors: Takayoshi Kagata
- Web page: https://patentgrep.com/patent/US9039150B2

## CPC

- B41J 2/17503: {Ink cartridges}
- B41J 2/1752: {Mounting within the printer}
- B41J 2/17546: {electronically}
- B41J: TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS

## Abstract

A liquid container includes a liquid which generates gases over time due to a chemical change in components; a liquid storage chamber in which the liquid is stored; a liquid flow port which communicates with the liquid storage chamber, via which the liquid inside the storage chamber flows out; and an information holding portion which holds time information on manufacturing of the liquid container.

## Claims

### Claim 1

A liquid ejecting apparatus comprising:
a liquid container including:
a liquid which generates gases over time due to a chemical change in components;
a liquid storage chamber in which the liquid is stored;
a liquid flow port which communicates with the liquid storage chamber, via which the liquid inside the liquid storage chamber flows out; and
an information holding portion which holds time information on manufacturing of the liquid container;
a cartridge holder on which the liquid container is mounted;
a head which ejects liquid which is supplied from the liquid container;
a flow path which causes a liquid flow port of the liquid container and the head to communicate with each other;
an information obtaining device which obtains time information;
a discharging device which discharges gases; and
a controller which controls the discharging device according to the time information which is obtained by the information obtaining device.

### Claim 2 (depends on 1)

The liquid ejecting apparatus according to claim 1,
wherein at least one of the components is a base metal pigment.

### Claim 3 (depends on 2)

The liquid ejecting apparatus according to claim 2,
wherein the base metal pigment is coated using a protective film, and is contained with a concentration of 5% by mass or less with respect to a total amount of the liquid.

### Claim 4 (depends on 1)

The liquid ejecting apparatus according to claim 1,
wherein the time information includes at least one piece of information among the following pieces of information of (1) to (4):
(1) a date and/or a time based on an activity of manufacturing the liquid, or components thereof,
(2) a date and/or a time based on an activity of storing the liquid in the liquid container,
(3) an elapsed period from a date and/or a time based on the activity of manufacturing the liquid, or the components thereof, and
(4) an elapsed period from a date and/or a time based on the activity of storing the liquid in the liquid container.

### Claim 5 (depends on 1)

The liquid ejecting apparatus according to claim 1,
wherein the liquid container is not open to ambient air.

### Claim 6 (depends on 1)

The liquid ejecting apparatus according to claim 1,
wherein the liquid flow port is provided at a position which is an upper side with respect to a center in a vertical direction of the liquid container.

### Claim 7 (depends on 1)

The liquid ejecting apparatus according to claim 1,
wherein the controller determines whether or not the contoller is possible to use the liquid based on the time information.

### Claim 8 (depends on 1)

The liquid ejecting apparatus according to claim 1,
wherein the liquid container is mounted on the cartridge holder by being inclined to a level surface so that the liquid flow port is located on a side which is far from the level surface.