公开(公告)号：US11571902B2

公开(公告)日：2023-02-07

申请号：US17215346

申请日：2021-03-29

Applicant: KYOCERA Document Solutions Inc.

Inventor： Masato Usui ,  Yasuko Takaori

IPC: B41J2/165

Abstract: A recording head recovery system includes a recording head, a cleaning liquid tank for storing cleaning liquid, a cleaning liquid supplying path which connects together the cleaning liquid tank and the recording head, a liquid supply mechanism which is provided in the cleaning liquid supplying path, and a controller. The controller performs recording head recovery operation including cleaning liquid supplying operation for supplying the cleaning liquid from liquid supplying openings of the recording head, wiping operation for wiping an ink ejection face of the recording head while a wiper retains the cleaning liquid, and backflow operation for controlling the liquid supply mechanism to make the cleaning liquid in the cleaning liquid supplying path to flow from the cleaning liquid supplying openings to the cleaning liquid tank.

公开(公告)号：US20130127953A1

公开(公告)日：2013-05-23

申请号：US13676971

申请日：2012-11-14

Applicant: Kyocera Document Solutions Inc.

Inventor： Noriaki Furukawa ,  Noriaki Ozawa ,  Yasuko Takaori

IPC: B41J2/045

CPC classification number: C09D11/107 ,  B41J2/045 ,  B41J2/04581 ,  B41J2/2107 ,  C09D11/322 ,  C09D11/38

Abstract: An ink for an ink-jet recording apparatus contains water, a pigment, a resin, 1,3-propanediol, and an organic solvent. The resin has a weight-average molecular weight of 30,000 to 150,000. The content of the resin is 1.5% to 6.0% by mass with respect to the mass of the ink. The total content (P+Q) of the content of the glycerol (P) and the content of the 1,3-propanediol (Q) in the ink is 15% to 40% by mass with respect to the mass of the ink. The mass ratio (P/Q) is 0.25 to 1.00.

Abstract translation: 用于喷墨记录装置的油墨包含水，颜料，树脂，1,3-丙二醇和有机溶剂。 树脂的重均分子量为30,000〜150,000。 相对于油墨的质量，树脂的含量为1.5〜6.0质量％。 相对于油墨质量，油墨中甘油（P）的含量和1,3-丙二醇（Q）的含量的总含量（P + Q）为15〜40质量％。 质量比（P / Q）为0.25〜1.00。

公开(公告)号：US11479741B2

公开(公告)日：2022-10-25

申请号：US16687169

申请日：2019-11-18

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yasuko Takaori ,  Noriaki Ozawa

IPC: C11D1/10 ,  B41J2/165 ,  C09D11/02 ,  C09D11/06

Abstract: A wash fluid for use in an inkjet recording apparatus contains water, a coconut oil fatty acid surfactant, an organic deliquescent agent, a polyhydric alcohol, and a basic inorganic compound. The polyhydric alcohol is an alkanediol. The coconut oil fatty acid surfactant is contained in an amount of at least 0.01% by mass and no greater than 3.00% by mass. The organic deliquescent agent is contained in an amount of at least 0.10% by mass and no greater than 30.00% by mass.

公开(公告)号：US10053592B2

公开(公告)日：2018-08-21

申请号：US15796090

申请日：2017-10-27

Applicant: KYOCERA Document Solutions Inc.

Inventor： Noriaki Ozawa ,  Yasuko Takaori

IPC: C09D11/40 ,  B41J2/165 ,  C09D11/322 ,  C09D11/38 ,  C09D11/54

CPC classification number: C09D11/40 ,  B41J2/1652 ,  B41J2/16538 ,  B41J2/16552 ,  B41J2002/16558 ,  C09D11/322 ,  C09D11/38 ,  C09D11/54

Abstract: An ink set includes a water-based ink and a water-based cleaning liquid. The water-based ink and the water-based cleaning liquid each contain at least 1.0% by mass and no greater than 4.0% by mass of a deliquescent agent. The water-based cleaning liquid further contains a nonionic surfactant and a diol. The deliquescent agent that the water-based ink contains and the deliquescent agent that the water-based cleaning liquid contains each include at least one of sorbitol, trimethylolpropane, and 1,3-bis(2-hydroxyethyl)-5,5-dimethylhydantoin. The nonionic surfactant has an HLB value determined by Griffin method of at least 14 and no greater than 16. The diol includes at least one of triethylene glycol and 1,3-propanediol.

公开(公告)号：US12173170B2

公开(公告)日：2024-12-24

申请号：US18159037

申请日：2023-01-24

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yasuko Takaori

IPC: C09D11/38 ,  C09D11/322 ,  C09D11/36

Abstract: An inkjet ink contains a pigment, resin particles, dipropylene glycol monomethyl ether, triethylene glycol monobutyl ether, and propylene glycol. The resin particles contain polycarbonate polyurethane resin. The resin particles have a percentage content of at least 2.0% by mass and no greater than 9.0% by mass. The dipropylene glycol monomethyl ether has a percentage content of at least 7.0% by mass and no greater than 27.0% by mass. The triethylene glycol monobutyl ether has a percentage content of at least 4.0% by mass and no greater than 12.0% by mass. The propylene glycol has a percentage content of at least 4.0% by mass and no greater than 18.0% by mass.

公开(公告)号：US09016845B2

公开(公告)日：2015-04-28

申请号：US13676971

申请日：2012-11-14

Applicant: Kyocera Document Solutions Inc.

Inventor： Noriaki Furukawa ,  Noriaki Ozawa ,  Yasuko Takaori

IPC: B41J2/045 ,  C09D11/107 ,  B41J2/21 ,  C09D11/322 ,  C09D11/38

CPC classification number: C09D11/107 ,  B41J2/045 ,  B41J2/04581 ,  B41J2/2107 ,  C09D11/322 ,  C09D11/38

Abstract: An ink for an ink-jet recording apparatus contains water, a pigment, a resin, 1,3-propanediol, and an organic solvent. The resin has a weight-average molecular weight of 30,000 to 150,000. The content of the resin is 1.5% to 6.0% by mass with respect to the mass of the ink. The total content (P+Q) of the content of the glycerol (P) and the content of the 1,3-propanediol (Q) in the ink is 15% to 40% by mass with respect to the mass of the ink. The mass ratio (P/Q) is 0.25 to 1.00.

Abstract translation: 用于喷墨记录装置的油墨包含水，颜料，树脂，1,3-丙二醇和有机溶剂。 树脂的重均分子量为30,000〜150,000。 相对于油墨的质量，树脂的含量为1.5〜6.0质量％。 相对于油墨质量，油墨中甘油（P）的含量和1,3-丙二醇（Q）的含量的总含量（P + Q）为15〜40质量％。 质量比（P / Q）为0.25〜1.00。

公开(公告)号：US08795425B2

公开(公告)日：2014-08-05

申请号：US13777712

申请日：2013-02-26

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yasuko Takaori ,  Noriaki Furukawa ,  Takashi Somete ,  Susumu Hiroshima

IPC: C09D11/02

CPC classification number: C09D11/38 ,  C09D11/322

Abstract: An ink for ink-jet recording apparatuses, includes water, a pigment dispersion, and a super-penetrating agent and a high SP organic solvent respectively having a predetermined solubility parameter (SP value). All of differences (ΔSPs) between SP values of the neighboring organic solvents are from 0.5 to 5.0 in order of SP values thereof, and the difference of SPmax−SPmin is 12 or less in which SPmax is the highest SP value of an organic solvent among organic solvents in the high SP organic solvent and SPmin is the smallest SP value of an organic solvent among organic solvents in the super-penetrating agent.

Abstract translation: 喷墨记录装置用墨水，具有分别具有规定溶解度参数（SP值）的水，颜料分散液，超渗透剂和高SP有机溶剂。 相邻有机溶剂的SP值之间的所有差异（＆Dgr; SP）以SP值的顺序为0.5至5.0，并且SPmax-SPmin的差异为12或更小，其中SPmax是有机物的最高SP值 高SP有机溶剂中有机溶剂中的溶剂和SPmin是超渗透剂中有机溶剂中有机溶剂的最小SP值。

公开(公告)号：US10137692B2

公开(公告)日：2018-11-27

申请号：US15806414

申请日：2017-11-08

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yasuko Takaori ,  Noriaki Ozawa

IPC: B41J2/165 ,  C09D9/04

Abstract: A water-based cleaning liquid for inkjet recording apparatus use contains at least 0.10% by mass and no greater than 10.00% by mass of a nonionic surfactant, at least 0.50% by mass and no greater than 30.00% by mass of a deliquescent agent, and a pH adjuster. The nonionic surfactant contains polyoxyalkylene alkylamine. The deliquescent agent includes at least one of sorbitol, trimethylolpropane, and 1,3-bis(2-hydroxyethyl)-5,5-dimethylhydantoin. The pH adjuster includes an alkali metal salt. The water-based cleaning liquid for inkjet recording apparatus use has a pH of at least 7.5 and no greater than 8.5.

公开(公告)号：US20140063104A1

公开(公告)日：2014-03-06

申请号：US14012930

申请日：2013-08-28

Applicant: KYOCERA Document Solutions Inc.

Inventor： Takashi Somete ,  Noriaki Furukawa ,  Yasuko Takaori ,  Susumu Hiroshima

IPC: B41J2/045

CPC classification number: B41J2/04581 ,  B41J2/04508 ,  B41J2/04513 ,  B41J2/04536 ,  B41J2/04571 ,  B41J2/04588

Abstract: An inkjet recording apparatus according to one aspect of the present disclosure includes nozzle, pressuring chambers, piezoelectric element, ambient condition obtaining portion, application portion, and control portion. Control portion causes application portion to output ejection driving-voltage by which piezoelectric element is deformed so as to eject droplets from nozzles in printing period in printing state, and causes application portion to output vibration driving-voltage by which piezoelectric element is vibrated so as to vibrate meniscus in each nozzle in non-printing period between printing periods in printing state. Control portion changes the number of times piezoelectric element is vibrated in non-printing period, based on ambient condition obtained by ambient condition obtaining portion, or zero shear viscosity of ink which is calculated or obtained according to obtained ambient condition, and causes application portion to output vibration driving-voltage by which piezoelectric element is vibrated the number of times having been changed.

Abstract translation: 根据本公开的一个方面的喷墨记录装置包括喷嘴，加压室，压电元件，环境条件获得部分，施加部分和控制部分。 控制部分使得施加部分输出喷射驱动电压，压电元件变形，从而在打印状态下的打印周期中从喷嘴喷射液滴，并且使施加部分输出压电元件振动的振动驱动电压，从而 在打印期间的非打印期间在每个喷嘴中振动弯液面。 控制部分根据环境条件获得部分获得的环境条件或根据获得的环境条件计算或获得的油墨的零剪切粘度，在非打印期间改变压电元件振动的次数，并将应用部分 压电元件振动的输出振动驱动电压变化次数。

公开(公告)号：US11859095B2

公开(公告)日：2024-01-02

申请号：US17553123

申请日：2021-12-16

Applicant: KYOCERA Document Solutions Inc.

Inventor： Noriaki Ozawa ,  Yasuko Takaori ,  Toyotsune Inoue

IPC: C09D11/54 ,  B41M5/00 ,  C09D11/107 ,  C09D11/322 ,  C09D11/38 ,  C09D11/40 ,  B41J2/21 ,  B41J2/01

CPC classification number: C09D11/54 ,  B41J2/01 ,  B41J2/2107 ,  B41M5/0023 ,  C09D11/107 ,  C09D11/322 ,  C09D11/38 ,  C09D11/40 ,  B41J2/211 ,  B41J2/2114

Abstract: An ink set includes an inkjet ink and a recording head filling liquid. The inkjet ink includes a pigment, a pigment coating resin, a first alkali metal ion, and water. The recording head filling liquid includes polyethylene glycol, a second alkali metal ion, a surfactant, and water. The polyethylene glycol has a mass average molecular weight of at least 180 and no greater than 800. A content ratio of the surfactant in the recording head filling liquid is greater than 0.00% by mass and no greater than 0.10% by mass. The first and second alkali metal ions each contain at least one of Li+, Na+, and K+.