Patents Assigned to Mimaki Engineering Co., Ltd.
  • Publication number: 20230027651
    Abstract: A shaping device shaping an object by forming and layering each layer based on slice images indicating cross-sectional shapes and color arrangements of the object include: a color ink ejection position determining means determining presence/absence of ejection of each ink of colors for coloring to each ejection position constituting the layer based on the slice image corresponding to the layer; a clear ink ejection position determining means determining necessity of ejection of a clear ink to each ejection position based on presence/absence of ejection of ink of each color for coloring to each ejection position determined in the color ink ejection position determining means; and a layer forming means causing a color ink head and the clear ink head to eject ink of each color and the clear ink to each ejection position as determined by the color ink ejection position and clear ink ejection position determining means.
    Type: Application
    Filed: January 8, 2021
    Publication date: January 26, 2023
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventor: Takeaki Kazaana
  • Publication number: 20230014306
    Abstract: A molding device includes a color inkjet head that ejects a color ink, and a clear inkjet head that ejects a clear ink. The color ink is ejected from the color inkjet head and layered to color and form a molded object, and the clear ink is ejected from the clear inkjet head to compensate the layering amount of the color ink. The molding device includes an input part that inputs the compensation amount of the clear ink such that the impact frequency of the clear ink becomes low at a place where the impact frequency of the color ink in coloring and forming the molded object is high, and the impact frequency of the clear ink becomes high at a place where the impact frequency of the color ink is low for each layer forming the molded object.
    Type: Application
    Filed: December 10, 2020
    Publication date: January 19, 2023
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Masayuki Furuse, Shunta Hanaoka
  • Patent number: 11554598
    Abstract: An inkjet printer capable of improving uniformity of the quality of an image printed on a recording medium is provided and includes: a table formed with a support surface that supports a recording medium; an inkjet head formed with a nozzle that ejects ink; a Y-bar that supports the inkjet head to be movable in a main scanning direction; two lifting mechanisms capable of changing a Y-bar tilt serving as a tilt of the Y-bar with respect to the support surface; a head gap sensor that detects a head gap, which is a distance from the recording medium to the nozzle of the inkjet head; and a tilt adjustment portion that adjusts the Y-bar tilt by the two lifting mechanisms to a tilt that reduces variations of the head gaps detected by the head gap sensor at each of multiple positions in the main scanning direction.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: January 17, 2023
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Sho Koshiba
  • Publication number: 20220410563
    Abstract: The disclosure more appropriately creates a product of printing closer to the target state. A printing system (10) that creates a product of printing includes a printer (16) that is a printing apparatus that executes a printing step, a steaming machine (18) that is a device for a predetermined step that is a device that executes a predetermined step, and a control device (12); where the control device (12) acquires printed matter information that is information indicating a state of a printed matter obtained by performing the printing step by the printer (16), and adjusts a condition of a step to be executed in the steaming machine (18) based on information indicating a state of the target product and the printed matter information such that a product in a state closer to a state indicated by target product information is obtained.
    Type: Application
    Filed: November 6, 2020
    Publication date: December 29, 2022
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventor: Yuhei Horiuchi
  • Publication number: 20220388312
    Abstract: The disclosure more appropriately determines a condition of a step executed at the time of creating a product of printing. A printing system (10) that creates a product of printing by performing at least printing includes a printer (16) which is a printing apparatus that executes a printing step of performing printing by ejecting ink; a washing machine (20) which is a post-processing machine that executes a post-processing step on a printed matter obtained by performing the printing step in the printer (16); and a control device (12) that determines a condition of a post-processing step based on a condition of the printing step.
    Type: Application
    Filed: November 25, 2020
    Publication date: December 8, 2022
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Tsukasa Takeda, Tomohiko Takizawa
  • Patent number: 11518094
    Abstract: A nozzle check suitable for production of a three-dimensional shaped object is performed. A production method of a three-dimensional shaped object M configured to laminate unit layers (L1, L2, . . . ), in which a nozzle checking step inspects at least a part of nozzles (6) for ejecting ink for forming a particular unit layer, which is performed after having started production in a case where a timing of the nozzle check is before forming the particular unit layer and this unit layer is a lowermost layer (L1), and is performed after having formed a unit layer that is located directly under the particular unit layer in a case where the timing of the nozzle check is before forming the particular unit layer and this layer is not the lowermost layer (L1).
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: December 6, 2022
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Kazuhiro Ochi
  • Publication number: 20220379546
    Abstract: A shaping apparatus includes an inkjet head forming one shaped layer by performing multiple main scans of ejecting an ink droplet of a curable ink that cures according to light of a predetermined wavelength toward a shaping table while reciprocating in a main scanning direction; a light source provided at least at one position on a front side in a forward or return direction in the main scan with respect to the inkjet head and irradiating an ink dot formed by the ink droplet with light; and a flattening unit flattening an upper surface of the ink dot. A shaped object is formed by layering the shaped layer. In the shaping apparatus, the ink dot is flatted by the flattening roller in the return movement without completely curing the ink dot by controlling the on/off state or illuminance of the light source during at least one of the main scans.
    Type: Application
    Filed: November 18, 2020
    Publication date: December 1, 2022
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Masayuki Furuse, Shunta Hanaoka
  • Publication number: 20220363065
    Abstract: Since ink is not heated at a protrusion connecting an ink supplying device and a print head chip or the like, the viscosity of the ink increases, and the fluidity may not be maintained in some cases. An inkjet printer 1 for solving the above problem includes an inkjet head 300 that ejects ink; a protrusion 310 provided to protrude from the inkjet head 300 and configured to circulate the ink to the inkjet head 300; and an ink flow path portion 6 that supplies the ink to the protrusion 310; where the ink flow path portion 6 includes an ink warming block 200 that heats the ink, and a conducting portion 210 that is formed in the ink warming block 200 itself or separately from the ink warming block 200 and through which heat from the ink warming block 200 is conducted is adjacently disposed outside the protrusion 310.
    Type: Application
    Filed: November 16, 2020
    Publication date: November 17, 2022
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventor: Soichiro Takehana
  • Publication number: 20220355598
    Abstract: A tube pump that sends a fluid includes a tube, a roller, and a roller holder. In the roller holder, a guide groove is formed that receives a shaft of the roller and defines a range in which the roller is movable with respect to the roller holder. The roller holder has an inner side surface and an outer side surface as surfaces defining the guide groove in the roller holder. The inner side surface has a protrusion protruding toward the outer side surface.
    Type: Application
    Filed: March 7, 2022
    Publication date: November 10, 2022
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: TOMOYA KAWAI, Toshihiro Kimura
  • Patent number: 11491704
    Abstract: A forming device that forms a 3D object includes a head section including a plurality of nozzle rows, and a scanning driving section that causes the head section to carry out a scanning operation; where the head section includes a first nozzle row group, a second nozzle row group, and a support nozzle row group; in an operation of at least one of the forming modes, the forming device forms at least one part of the 3D object using the first nozzle row group and the second nozzle row group and forms a support layer in a periphery of the 3D object; and when a maximum value of a material dischargeable in unit time in one scanning operation is defined as a material discharging ability, the material discharging ability of the support nozzle row group is greater than the material discharging ability of the first nozzle row group.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: November 8, 2022
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventors: Kunio Hakkaku, Kazuhiro Ochi, Masakatsu Okawa
  • Patent number: 11491776
    Abstract: A composition for model materials (4a) is used for shaping an optically shaped article by an inkjet optical shaping method, comprises a monofunctional monomer (A) and an oligomer (B) as a photocurable component, further, comprises no polyfunctional monomer (C) as a photocurable component, or comprises a polyfunctional monomer (C) as a photocurable component at 3.0 parts by weight based on 100 parts by weight of a whole composition for model materials, the oligomer (B) has a hydroxyl group or an amino group, and a total molar fraction of the hydroxyl group and the amino group in a total amount of the photocurable components is less than 5.0%. The composition for model materials (4a) can afford an optically shaped article that has flexibility, and does not crack even when it is bent.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: November 8, 2022
    Assignees: MAXELL, LTD., MIMAKI ENGINEERING CO., LTD.
    Inventors: Katsuyuki Kito, Taeko Izumo, Masakatsu Okawa, Kenta Hongo
  • Patent number: 11496651
    Abstract: In this print method, assuming that the number of stacking of ink layers in a thickest portion in a thickly-piled portion is N, in a histogram preparation step ST2, a histogram of luminance values of grayscale image data prepared in an image data preparation step ST1 is prepared, and in luminance value range setting steps ST3 to ST10, a luminance value of predetermined gradations of the histogram is divided into N and N luminance value ranges are set. In the luminance value range setting steps ST3 to ST10, a division position of the luminance value of the predetermined gradations is adjusted while the histogram displayed on a predetermined display is checked.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: November 8, 2022
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Keita Nishio
  • Patent number: 11491813
    Abstract: A method for producing a printed product is provided. The method capable of producing the printed product is superior in a friction fastness and a texture. And, a printing system is also provided. The method includes a printing step in which an ink composition for inkjet, containing a colorant and a crosslinkable binder component, is inkjet-printed onto a textile good to obtain a print body; and a heat-treatment step in which, by heat-treatment of the print body with steam, the crosslinkable binder component is caused to melt or soften, and to crosslink to be a film, thereby fixing the colorant to fibers of the textile good. The printing system includes a printing apparatus and a heat-treatment equipment with which a print body after printing is heat-treated with steam.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: November 8, 2022
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Tetsuro Takeuchi
  • Patent number: 11491778
    Abstract: A printing device that performs printing on a medium includes an inkjet head, a main scan driving unit, a sub scan driving unit, and a control unit, where the control unit sets a sub-scanning movement amount based on a basic movement amount, which is a basic movement amount set according to print conditions, and a value indicating a distance for increasing or decreasing the sub-scanning movement amount in the print conditions set at the time of inputting an input correction value. Furthermore, a storage is further provided, which stores a first correction coefficient used when the basic movement amount is within a first range, and a second correction coefficient used when the basic movement amount is within a second range smaller than the first range, and the control unit sets the sub-scanning movement amount based on the basic movement amount and the calculated correction value.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: November 8, 2022
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventors: Youichi Ichikawa, Shuhei Hanaoka
  • Publication number: 20220348026
    Abstract: A raised shape is appropriately formed on a medium. A printing device 10 includes inkjet heads 102y to 102k that are a plurality of color ink heads, an inkjet head 102w that is a light reflective ink head, and a controller 30. The controller 30 causes the inkjet heads 102y to 102k and the inkjet head 102w to form a layered ink region and an image region on the medium 50. The layered ink region is a region including a plurality of colored regions (four-color regions) that are colored regions formed by causing at least two inkjet heads among the plurality of inkjet heads 102y to 102k to eject ink, and a plurality of white layers that are light reflecting regions formed on the colored region. The colored regions in the layered ink region are superimposed with at least the white layer interposed therebetween.
    Type: Application
    Filed: July 27, 2020
    Publication date: November 3, 2022
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Keita Nishio, Izumi Mizukami
  • Patent number: 11485067
    Abstract: A resin composition for a modeling material for use in shaping a modeling material (4) by an ink-jet photofabrication method, the resin composition comprising, based on 100 parts by weight of the whole resin composition, 19 to 49 parts by weight of a water-insoluble monofunctional ethylenically unsaturated monomer (A), 15 to 50 parts by weight of a di- or more-functional polyfunctional ethylenically unsaturated monomer (B), 10 to 45 parts by weight of an oligomer (C), and a photopolymerization initiator (D). By this resin composition for a modeling material, a photofabrication product having good dimensional accuracy can be obtained.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: November 1, 2022
    Assignees: MAXELL, LTD., MIMAKI ENGINEERING CO., LTD.
    Inventors: Katsuyuki Kitou, Taeko Izumo
  • Patent number: 11485068
    Abstract: A manufacturing method for a shaped object for manufacturing the shaped object used as a parts when creating a three-dimensional object assembled by combining multiple parts, where the shaped object including a surface region, an end region, and an inner region is shaped. A surface colored portion, which is a portion to be colored in the surface region, is formed, so that a light entering from a side opposite to the inner region is reflected by the inner region to an outside of the shaped object. And, an end colored portion, which is a portion to be colored in the end region, is formed to have a light reflectivity higher than that of the surface colored portion using a coloring material and a light reflective material.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: November 1, 2022
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Kenji Harayama
  • Patent number: 11474762
    Abstract: A printing system that performs printing includes a printing apparatus in which at least a part thereof is configured by a unit part which is a replaceable function component. The printing apparatus is controlled using a command group including a printer control command which is a command for controlling the printing apparatus and a unit inspection command which is a command used for an inspection of the unit part. At least a part of the printing apparatus is configured by a plurality of unit parts having different functions. The plurality of unit parts are configured to be inspected using the unit inspection command.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: October 18, 2022
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Satoshi Hamamura
  • Publication number: 20220324242
    Abstract: There is provided an inkjet printer including a platen that supports a recording medium; an inkjet head having a nozzle surface that ejects ink, which cures by being irradiated with light, toward the recording medium; a light irradiation device that irradiates the ink attached to the recording medium with light; and a carriage that is mounted on the inkjet head and the light irradiation device, and is scanned with respect to the platen; where an uneven portion for suppressing stray light from the light irradiation device from reaching the nozzle surface is provided in a portion closer to the nozzle surface than the light irradiation device in a scanning direction; and the uneven portion is provided at a position facing a space on a path of the stray light from the light irradiation device to the nozzle surface in a space between the portion and the platen.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 13, 2022
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventor: Soichiro Takehana
  • Publication number: 20220324224
    Abstract: Misalignment between landing positions is appropriately corrected. A printing device 10 that performs printing by an inkjet method includes an inkjet head 102, a carriage 100, a main scan driving part 18 (carriage drive mechanism), a detection mechanism 106, and a controller 30. The controller 30 detects a position where a concentration is the highest among concentrations of a correction pattern changing depending on positions in a main scanning direction, calculates magnitude of misalignment between a landing position of ink ejected from the inkjet head 102 when the carriage 100 moves to a first direction side and a landing position of the ink ejected from the inkjet head 102 when the carriage 100 moves to a second direction side based on a detection result of the position where the concentration is the highest, and corrects the misalignment between the landing positions based on a calculation result.
    Type: Application
    Filed: September 28, 2020
    Publication date: October 13, 2022
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventor: Takuhide Misaizu