公开(公告)号：US20200094566A1

公开(公告)日：2020-03-26

申请号：US16577788

申请日：2019-09-20

Applicant: SEIKO EPSON CORPORATION

Inventor： Keita ICHIHARA ,  Kazuyuki HIRATA

IPC: B41J2/175

Abstract: A liquid housing container includes a suppressing portion at one end portion of a first surface-portion film and one end portion of a second surface-portion film, and at another end portion of the first surface-portion film and another end portion of the second surface-portion film. The suppressing portion suppresses spreading of a gap between the one end portion of the first surface-portion film and the one end portion of the second surface-portion film, and spreading of a gap between the other end portion of the first surface-portion film and the other end portion of the second surface-portion film.

公开(公告)号：US20240001686A1

公开(公告)日：2024-01-04

申请号：US18217881

申请日：2023-07-03

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro KARASAWA ,  Kazuyuki HIRATA

IPC: B41J2/19 ,  B41J2/175

CPC classification number: B41J2/19 ,  B41J2/17513 ,  B41J2/17523 ,  B41J2002/17516

Abstract: A liquid container includes: a bag having flexibility configured to store liquid inside; a liquid outlet member mounted on one end of the bag and having a liquid outlet section to discharge the liquid to a liquid ejecting apparatus; a gas absorption unit movably disposed in the bag and having (i) a space holding member that forms an internal space of the gas absorption unit, and (ii) a gas transmission film that defines an inside of the internal space and an outside with the internal space decompressed to a pressure lower than an atmospheric pressure; and a plurality of liquid outlet pipes coupled to the liquid outlet section and disposed in the bag, the plurality of liquid outlet pipes having an inlet, which are configured to allow the liquid introduced from the inlet to flow to the liquid outlet section. Lengths of the plurality of liquid outlet pipes are different.

公开(公告)号：US20230018269A1

公开(公告)日：2023-01-19

申请号：US17864964

申请日：2022-07-14

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro KARASAWA ,  Naoki NAITO ,  Yuji AOKI ,  Kazuyuki HIRATA ,  Kiyoteru KATSUKI

IPC: B41J2/175

Abstract: Provided is a liquid container configured to be detachably attached to a printer body. The liquid container includes a liquid containing portion, a supplying passage member, and an adapter. The liquid containing portion is a portion for containing liquid. The supplying passage member has a supplying passage in liquid communication with the liquid containing portion, the liquid contained in the liquid containing portion being supplied toward the printer body through the supplying passage. The adapter is mounted on the supplying passage member and configured to couple the supplying passage to the printer body. The adapter and the supplying passage member are joined by snap fitting.

公开(公告)号：US20150070447A1

公开(公告)日：2015-03-12

申请号：US14476193

申请日：2014-09-03

Applicant: SEIKO EPSON CORPORATION

Inventor： Hiroshi NOSE ,  Kazuyuki HIRATA ,  Yuji AOKI

IPC: B41J2/175

CPC classification number: B41J2/17513 ,  B41J2/17523 ,  B41J2/17553

Abstract: The liquid container includes a liquid containing body having a flexible bag-shaped liquid containing section configured to contain liquid and a supply member that is connected to the liquid containing section and has a supply port configured to supply the liquid from the liquid containing section to an outside, and a case member configured to contain the liquid containing body. The case member has a first surface in which an opening section is formed to expose the supply port, and a second surface opposed to the first surface. The case member further has opposing sections that are opposed through the liquid containing section and are configured to contact with the liquid containing section in a position of a +Y-direction, which is a direction from the first surface to the second surface, than a joint section between the liquid containing section and the supply member.

Abstract translation: 液体容器包括：液体容纳体，其具有构造成容纳液体的柔性袋状液体容纳部分和与液体容纳部分连接的供给部件，并且具有供给口，其构造成将液体从液体容纳部供给到 以及构造成容纳所述液体容纳体的壳体构件。 壳体构件具有第一表面，在该第一表面中形成开口部分以暴露供给口，以及与第一表面相对的第二表面。 壳体构件还具有通过液体容纳部分相对的相对部分，并且构造成在从第一表面到第二表面的方向的+ Y方向的位置处与液体容纳部分接触，而不是 液体容纳部和供给部之间的接合部。

公开(公告)号：US20200307229A1

公开(公告)日：2020-10-01

申请号：US16829505

申请日：2020-03-25

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro KARASAWA ,  Kazuyuki HIRATA ,  Yuji AOKI

IPC: B41J2/175

Abstract: A liquid storage container that is equipped in a liquid ejection apparatus and supplies liquid to the liquid ejection apparatus is provided. The liquid storage container includes: a liquid storage box forming an outer shell of the liquid storage container; and a liquid storage bag accommodated in the liquid storage box, the liquid storage bag having a flexibility for storing liquid therein, wherein regardless of a posture of the liquid storage box, a first inner circumferential length of the liquid storage bag in one cross-section is larger than a second inner circumferential length of the liquid storage box in the one cross-section.

公开(公告)号：US20160311228A1

公开(公告)日：2016-10-27

申请号：US15096699

申请日：2016-04-12

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuji AOKI ,  Masahiro KARASAWA ,  Kazuyuki HIRATA

IPC: B41J2/175

CPC classification number: B41J2/17563 ,  B41J2/17513 ,  B41J2/1752 ,  B41J2002/17516

Abstract: A liquid supply unit configured to supply a liquid to a liquid inlet of a liquid jet apparatus. The liquid supply unit includes a liquid housing part configured to house a liquid, a liquid outlet configured to draw the liquid from inside the liquid housing part to outside the liquid housing part, and a filter provided upstream of the liquid outlet in a channel of the liquid that is drawn from inside the liquid housing part to outside the liquid housing part via the liquid outlet. The filter includes a first filter and a second filter that are constituted by a plurality of fibers laminated in a flow direction of the liquid. The first filter is provided upstream of the second filter in the channel of the liquid, and the first filter and the second filter differ in coarseness.

Abstract translation: 液体供给单元，其构造成将液体供给到液体喷射装置的液体入口。 液体供应单元包括：液体容纳部分，其构造成容纳液体;液体出口，其构造成将液体从液体容纳部分的内部抽出到液体容纳部分的外部;以及过滤器，设置在液体出口的上游， 从液体容纳部分的内部经由液体出口从液体容纳部分抽出的液体。 过滤器包括由在液体的流动方向上层叠的多根纤维构成的第一过滤器和第二过滤器。 第一过滤器设置在液体通道中的第二过滤器的上游，并且第一过滤器和第二过滤器的粗糙度不同。

公开(公告)号：US20240001684A1

公开(公告)日：2024-01-04

申请号：US18217676

申请日：2023-07-03

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro KARASAWA ,  Kazuyuki HIRATA

IPC: B41J2/175

CPC classification number: B41J2/17563 ,  B41J2/17513 ,  B41J2/17523 ,  B41J2002/17516 ,  B41P2235/31

Abstract: A liquid container includes: a bag having flexibility configured to store liquid inside; a liquid outlet member attached to one end of the bag and having a liquid outlet section to discharge the liquid to a liquid ejecting apparatus; a spacer member disposed in the bag, the spacer member including a filter chamber in which a filter that filters the liquid is disposed; and a liquid outlet pipe disposed in the bag and coupled to the filter chamber and the liquid outlet member, the liquid outlet pipe being configured to flow the liquid filtered by the filter to the liquid outlet section. The liquid outlet pipe has flexibility.

公开(公告)号：US20200164655A1

公开(公告)日：2020-05-28

申请号：US16694140

申请日：2019-11-25

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro KARASAWA ,  Kazuyuki HIRATA

IPC: B41J2/175 ,  B41J2/19

Abstract: A gas-absorbing apparatus disposed in a liquid housing that has a supply port portion for supplying the liquid to an external, includes a space retaining member that forms an internal space of the gas-absorbing apparatus, and a gas-permeable film that partitions off an inside of the internal space from an outside in a state where the internal space is depressurized to a pressure lower than atmospheric pressure, the gas-absorbing apparatus being separate from the supply port portion.

公开(公告)号：US20180244053A1

公开(公告)日：2018-08-30

申请号：US15906523

申请日：2018-02-27

Applicant: SEIKO EPSON CORPORATION

Inventor： Keita ICHIHARA ,  Kazuyuki HIRATA ,  Ryota TAKAHASHI

IPC: B41J2/175

CPC classification number: B41J2/1753 ,  B41J2/17526 ,  B41J2/1754 ,  B41J2/17553

Abstract: Provided is a technique that makes it possible to mitigate impact acting on a liquid container. The liquid container includes a liquid storage portion that is surrounded by a plurality of wall portions, and contains liquid therein, and a plurality of contact portions that are provided on a first wall portion among the plurality of wall portions, and are in contact with terminals on-the-apparatus-side provided in a liquid consumption apparatus. The contact portions are provided at a position close to a first edge side, at least some of the plurality of contact portions form at least one column arranged along the first edge side, the liquid container includes protruding portions outward of outer contact portions, and the protruding portions are provided between an end portion the first edge side of the outer contact portions and the first edge side in a direction from the first edge side toward the column.