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公开(公告)号：US10894425B2
公开(公告)日：2021-01-19
申请号：US16301925
申请日：2017-03-08
Applicant: Hitachi, Ltd.
Inventor： Kohhei Aida , Yasuhiko Tada , Hiroshi Sasaki , Masahiro Kawasaki
IPC: B41J2/045 , B41J2/195 , C09D11/50 , B41J2/21 , G01K11/12 , B41J2/01 , B41J2/175 , B43K5/18 , B42D25/378
Abstract: This printing device is provided with a first ink container that contains a first ink; a second ink container that contains a second ink; temperature adjusting units that adjust the temperature of the first ink contained in the first ink container and/or the temperature of the second ink contained in the second ink container; a nozzle that sprays the inks; and a control unit that controls the first temperature adjusting unit and the second temperature adjusting unit.
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公开(公告)号：US20200376835A1
公开(公告)日：2020-12-03
申请号：US16882996
申请日：2020-05-26
Applicant: SEIKO EPSON CORPORATION
Inventor： Yukihiro HANAOKA , Toshiro MURAYAMA
Abstract: A liquid ejecting system includes a liquid ejecting head having a nozzle ejecting liquid, a supply channel communicating with the nozzle, and a recovery channel communicated with the nozzle, and circulates the liquid in the liquid ejecting head through the supply channel and the recovery channel. The supply channel includes a pressurizing section and a first buffer mechanism disposed between the nozzle and the pressurizing section. The recovery channel includes a decompression section and a second buffer mechanism disposed between the nozzle and the decompression section. The first buffer mechanism is configured to increase a buffer capacity as the supply channel is pressurized. The second buffer mechanism is configured to reduce a buffer capacity as the recovery channel is decompressed.
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公开(公告)号：US10850532B2
公开(公告)日：2020-12-01
申请号：US15974695
申请日：2018-05-09
Applicant: MIMAKI ENGINEERING CO., LTD.
Inventor： Misaki Watanabe
Abstract: To allow printing through a more appropriate method when carrying out printing using a two-liquid type ink. A fixing agent amount setting method of setting a usage amount of a fixing agent, which is liquid for fixing an ink, which is a colored ink, on a medium, where a fixing agent density, which is an amount of the fixing agent to eject per unit area is made to correspond with a colored ink density, which is an amount of the ink to eject per unit area, and set to a value smaller than or equal to an upper limit value of a fixing agent density corresponding to a maximum fixing agent density at which color unevenness does not occur on the medium.
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公开(公告)号：US10780706B2
公开(公告)日：2020-09-22
申请号：US16299181
申请日：2019-03-12
Applicant: Shusaku Shiomoto , Manabu Seo , Ikuo Katoh , Waka Lin
Inventor： Shusaku Shiomoto , Manabu Seo , Ikuo Katoh , Waka Lin
Abstract: Provided is discharging device including liquid droplet discharging unit configured to discharge liquid droplet containing a light-emitting particle that undergoes luminescence in response to irradiation of light, light irradiating unit configured to irradiate liquid droplet discharged by liquid droplet discharging unit with the light, light detecting unit configured to detect luminescence by light-emitting particle contained in liquid droplet in response to irradiation of the light emitted by light irradiating unit, and average particle number calculating unit configured to determine presence/absence of light-emitting particle in liquid droplet based on whether light detecting unit has detected luminescence by light-emitting particle, and calculate average particle number, which is average, among all liquid droplets discharged, in number of light-emitting particles contained per liquid droplet, based on ratio of liquid droplets containing no light-emitting particle relative to all the liquid droplets discharged, the ratio being calculated based on the presence/absence of light-emitting particle.
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公开(公告)号：US10730313B2
公开(公告)日：2020-08-04
申请号：US16016855
申请日：2018-06-25
Applicant: SEIKO EPSON CORPORATION
Inventor： Keigo Sugai
Abstract: A liquid ejecting apparatus includes a liquid chamber that communicates with a nozzle, a communication flow path that communicates with the liquid chamber and that has a first opening into which a liquid flows, a discharge flow path that discharges the liquid and that has a second opening into which the liquid flows, a supply flow path capable of supplying the liquid to the communication flow path and the discharge flow path, and a first slide portion disposed between the supply flow path and the communication flow path and having a first through hole that enables the supply flow path to communicate with the communication flow path. The first slide portion, by sliding along the opening surface of the first opening, changes the position of the first through hole with respect to the communication flow path and changes the flow path resistance of the communication flow path.
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Patent Agency Ranking
公开(公告)号：US20200215829A1
公开(公告)日：2020-07-09
申请号：US16819183
申请日：2020-03-16
Applicant: MIMAKI ENGINEERING CO., LTD.
Inventor： Masaru OHNISHI
IPC: B41J11/00 , B41M7/00 , C09D11/40 , C09D11/328 , C09D11/326 , C09D11/322 , C09D11/30 , C09K3/00 , B41J11/46 , B41J3/60 , B41J3/407 , B41J3/28 , B41J2/195
Abstract: To suppress the risk of ink bleeding and thereby attain an improved printing quality, a printing apparatus 10 is provided that carries out an inkjet printing operation for a medium 50. The printing apparatus 10 includes inkjet heads 102 that eject droplets of ink using inkjet technique; and ultraviolet light sources 104 that radiate ultraviolet light. The ink ejected from the inkjet heads 102 contains an ultraviolet absorbent that absorbs ultraviolet light, and a solvent that dissolves or disperses the ultraviolet absorbent. The ejected ink is adherable to the medium 50 and fixable by evaporating the solvent. The ultraviolet light sources 104 irradiate the ink adhered to the medium 50 with ultraviolet light so as to volatilize and remove at least part of the solvent from the ink.
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公开(公告)号：US20200147974A1
公开(公告)日：2020-05-14
申请号：US16681456
申请日：2019-11-12
Applicant: SEIKO EPSON CORPORATION
Inventor： Shun OYA , Yoshihiro KOIZUMI
Abstract: In a state in which a liquid storage body is installed in a liquid ejecting apparatus, at least part of the upper edge of a liquid storage section and at least part of the lower edge of the liquid storage section are in contact with a case and a first inner surface of the liquid storage section and its second inner surface opposite to the first inner surface are separated from each other. The liquid storage section is structured so that as a liquid is supplied, the first inner surface and second inner surface gradually approach each other and, at the same time, come into contact with each other from top to bottom, forming, at the bottom of the interior of the liquid storage section, a liquid flow path through which the liquid flows from the liquid storage section to the liquid supply section.
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公开(公告)号：US10647122B2
公开(公告)日：2020-05-12
申请号：US15165340
申请日：2016-05-26
Applicant: Dover Europe Sàrl
Inventor： Joao Paulo Ribeiro , Jean-Pierre Arpin , Francis Pourtier
Abstract: A method of calibrating an inkjet printer, which comprises a fluid circuit (4), a print head (1) connected to the fluid circuit through an umbilical (19), this method comprising at least the following functions: calculate a difference between the viscosity of the ink used in the circuit, and a theoretical viscosity of this ink; as a function of this difference, correct data representative of a characteristic function that relates the pressure at a point referred to as the reference point in the fluid circuit or the print head, the ink density, the ink viscosity, the operating temperature and a velocity referred to as the nominal velocity of the ink jet generated by the print head, to form corrected data for said characteristic function.
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公开(公告)号：US20200047516A1
公开(公告)日：2020-02-13
申请号：US16656729
申请日：2019-10-18
Applicant: FUJI XEROX CO., LTD.
Inventor： Yutaka KIUCHI , Hajime AIKYO , Mitsuhiro MATSUMOTO
Abstract: A production system acquires a plan of production of plural types of products to he produced through sequential attachment of prints, determines an order of production of the prints to be attached to the plural types of products, respectively, and produces the prints in the determined production order.
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公开(公告)号：US10549543B2
公开(公告)日：2020-02-04
申请号：US16237769
申请日：2019-01-02
Applicant: Takaya Kubodera , Yuta Moriwaki
Inventor： Takaya Kubodera , Yuta Moriwaki
Abstract: A liquid discharge apparatus includes a liquid discharge head including a supply port, a recovery port, and nozzles to discharge a liquid from the nozzles, a circulation channel connected to the supply port and the recovery port of the liquid discharge head to circulate the liquid through the liquid discharge head, and a cap to cap a nozzle surface of the liquid discharge head in which the nozzles are formed and to suck the liquid from the nozzles in a maintenance operation. The circulation channel includes an individual supply channel communicating with the supply port of the liquid discharge head, an individual recovery channel communicating with the recovery port of the liquid discharge head to circulate the liquid through the liquid discharge head, a supply-side fluid resistance variable section disposed in the individual supply channel to vary fluid a resistance of the individual supply channel.
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