Ejector Mechanism (i.e., Print Head) Patents (Class 347/20)
  • Patent number: 11975540
    Abstract: A head chip prevented from deteriorating in printing quality is provided. The head chip is provided with an intermediate plate which has a plurality of columns of communication hole groups for each channel column, the communication hole group having communication holes individually communicated with ejection channels of an actuator plate and arranged in a line in an X direction. The communication holes adjacent to each other in the X direction are arranged so as to be shifted in a Y direction from each other. The intermediate plate is provided with a non-penetrating groove closed by a nozzle plate, and a penetrating hole communicated with the non-penetrating groove, and communicated with an outside of the head chip through a non-ejection channel. A part of the non-penetrating groove is located in an inter-communication hole region.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: May 7, 2024
    Assignee: SII PRINTEK INC.
    Inventor: Tooru Mine
  • Patent number: 11945238
    Abstract: A liquid ejecting device includes: a printing unit including a liquid ejecting head configured to eject a liquid to a medium and a head holder configured to form an air cooling path, and a cooling mechanism configured to cause air in the air cooling path to flow therethrough to air-cool the liquid ejecting head, wherein the printing unit is provided so as to be movable with respect to a transport path along which the medium is transported, the cooling mechanism includes a first air hole and a second air hole that are configured to be coupled to the air cooling path, and the air cooling path is coupled to one of the first air hole and the second air hole corresponding to a position of the printing unit.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: April 2, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Yoshihisa Saka, Tetsuji Yatsunami, Yoshikane Tsuchihashi, Yoshinori Yanagisawa, Kohei Usuda
  • Patent number: 11901331
    Abstract: A polymerizable composition includes at least one monomer, a photoinitiator capable of initiating polymerization of the monomer when exposed to light, and a phosphor capable of producing light when exposed to radiation (typically X-rays). The material is particularly suitable for bonding components at ambient temperature in situations where the bond joint is not accessible to an external light source. An associated method includes: placing a polymerizable adhesive composition, including a photoinitiator and energy converting material, such as a down-converting phosphor, in contact with at least two components to be bonded to form an assembly; and, irradiating the assembly with radiation at a first wavelength, capable of conversion (down-conversion by the phosphor) to a second wavelength capable of activating the photoinitiator, to prepare items such as inkjet cartridges, wafer-to-wafer assemblies, semiconductors, integrated circuits, and the like.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: February 13, 2024
    Assignee: IMMUNOLIGHT, LLC
    Inventors: Zakaryae Fathi, James Clayton, Harold Walder, Frederic A. Bourke, Jr.
  • Patent number: 11890859
    Abstract: A sheet heater includes a first conveyance belt configured to convey a sheet on which a liquid has been discharged in a conveyance direction, a heating unit facing the first conveyance belt, the heating unit configured to heat the sheet conveyed by the first conveyance belt, and a second conveyance belt disposed upstream of the first conveyance belt in the conveyance direction, the second conveyance belt configured to convey the sheet to the first conveyance belt. A surface temperature of the second conveyance belt is lower than a surface temperature of the first conveyance belt when the first conveyance belt and the second conveyance belt convey the sheet.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: February 6, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kohki Asada, Kazuaki Kamihara, Masato Ogawa, Hiroshi Sawase, Yoshihiro Takahashi, Ryusaku Hida, Kenji Nozawa, Genichiroh Kawamichi
  • Patent number: 11827018
    Abstract: A droplet ejector for a printhead comprises: a substrate having a mounting surface and an opposite nozzle surface; a nozzle-forming layer formed on at least a portion of the nozzle surface of the substrate; a fluid chamber defined at least in part by the substrate and at least in part by the nozzle-forming layer, the fluid chamber having a fluid chamber outlet defined at least in part by a nozzle portion of the said nozzle-forming layer, the said nozzle portion comprising an inner portion located closer to the fluid chamber outlet and an outer portion located closer to a periphery of the nozzle portion; and either or both of an inner actuator arrangement formed on the inner portion of the nozzle portion of the nozzle-forming layer and an outer actuator arrangement formed on the outer portion of the nozzle portion of the nozzle-forming layer.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: November 28, 2023
    Assignee: 3C PROJECT MANAGEMENT LIMITED
    Inventor: Gregory John McAvoy
  • Patent number: 11794489
    Abstract: The present invention concerns a facility (1) for printing surfaces of parts comprising: —apart support (3) mounted on a movement device (4) having at least five degrees of freedom, —at least one spray printing head and means (8) for sensing speeds and/or coordinates mounted on a support (11), —means (10) capable of controlling the printing means and the movement device (4), the movement device (4) and the support (11) being arranged opposite each other and a spatial reference frame (X, Y, Z) being assigned to said fixed support structure (11). A printing facility (1) characterised in that the printing means (5) consist of at least two monochromatic or bi-chromatic printing heads that are able to rotate and/or move in translation with at least one degree of freedom.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: October 24, 2023
    Assignees: SMRC AUTOMOTIVE HOLDINGS NETHERLANDS B.V., ROBO
    Inventors: Jérome Boniface, Romuald Richebourg, Michel Demarchi
  • Patent number: 11775630
    Abstract: An example apparatus includes a packaging container, and any of a label and an electronic tag detachably connected to the packaging container and including an electrical code set for electrical authentication upon removal of any of the label and the electronic tag from the packaging container and being affixed to a device associated with the packaging container, wherein the electrical authentication is to validate the packaging container and the device as original equipment manufacturer components. Any of the label and the packaging container is altered upon removal of the label from the packaging container.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: October 3, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Scott K. Hymas, Gabriel S. McDaniel, Dennis A. Abramsohn, Christopher P. Murschel
  • Patent number: 11766685
    Abstract: Ultrafine bubbles with a diameter of less than 1.0 ?m are generated in liquid by causing film boiling in liquid by means of a heater.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: September 26, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masahiko Kubota, Kenji Takahashi, Ikuo Nakazawa, Akitoshi Yamada, Nobuhisa Tanahashi, Yoshio Kinoshita
  • Patent number: 11760092
    Abstract: An inkjet head including a flow path unit and a plurality of actuator units, each of the plurality of actuator units has a parallelogram shape defined by two sets of opposing sides, which is substantially parallel to a first direction and a second direction intersecting with each other along a plane, the side of the actuator unit parallel to the second direction is substantially parallel to that of an adjacent actuator unit and is shifted from that of the adjacent actuator unit in the second direction, the plurality of actuator units are inclined with respect to two contour lines of a flow path unit, the two contour lines being parallel with each other and extending in a longitudinal direction of the flow path unit, and centers of gravity of contours of the plurality of actuator units are arranged on substantially one straight line which is parallel to the contour lines.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: September 19, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Atsuo Sakaida
  • Patent number: 11648770
    Abstract: A control section controls an ejection operation to eject liquid in each of a first state in which the liquid flows from a supply tank to a liquid ejection head in a supply channel, the liquid flows from the liquid ejection head to a collection tank in a collection channel, and the liquid flows from the collection tank to the supply tank in a feedback channel, and a second state in which the liquid flows from the supply tank to the liquid ejection head in the supply channel and the liquid flows from the supply tank to the liquid ejection head and the liquid flows from the collection tank to the liquid ejection head in the collection channel.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: May 16, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Hiroki Kobayashi, Takahiro Kanegae
  • Patent number: 11590778
    Abstract: A printing system includes: a media feed chassis including a plurality of fixed roller shafts, each roller shaft having a rotatable roller for guiding print media through a media feed path; and inkjet modules mounted on the media feed chassis for printing on the print media. Each inkjet module includes: a support chassis seated on the media feed chassis; a maintenance chassis mounted on the support chassis; and a print bar chassis mounted on the maintenance chassis, the print bar chassis having inkjet printheads mounted thereon.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: February 28, 2023
    Inventor: Mark Profaca
  • Patent number: 11518167
    Abstract: A liquid jet device includes a head body configured to jet droplets from a nozzle, a frame at which the head body is positioned, a grounding portion configured to contact a first side surface of the head body in a removal direction from the frame to electrically couple the head body to the frame, and a first pin serving as a pin for positioning the head body with respect to the frame, wherein a contact position between the first side surface and the grounding portion and a position of the first pin overlap in a normal direction of the first side surface.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: December 6, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Masaki Kobayashi
  • Patent number: 11491784
    Abstract: When performing on-sheet preliminary ink ejection, a control unit (a) determines a nozzle that performs the on-sheet preliminary ink ejection, (b) randomly selects on a print sheet an ejection position candidate of an ink droplet ejected from the determined nozzle, (c) determines whether the selected ejection position candidate is included by a mask area that includes a postprocessing object, (d1) if the selected ejection position candidate is not included by the mask area, sets as the selected ejection position candidate an ejection position of an ink droplet ejected from the determined nozzle, and (d2) if the selected ejection position candidate is included by the mask area, does not set as the selected ejection position candidate an ejection position of an ink droplet ejected from the determined nozzle and sets an ejection position of an ink droplet ejected from the determined nozzle outside of the mask area.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: November 8, 2022
    Inventor: Akira Yuki
  • Patent number: 11465413
    Abstract: A head unit control device that controls a head unit including a plurality of ejection portions that includes a first ejection portion and a second ejection portion and a determination portion that determines a liquid ejection state of the first and second ejection portion, and includes a reception portion that receives, as one data set, determination result information including first determination information indicating a determination result of the liquid ejection state of the first ejection portion from the determination portion and second determination information indicating a determination result of the liquid ejection state of the second ejection portion from the determination portion, and ejection portion information including information indicating the number of the plurality of ejection portions included in the head unit, from the head unit, and an ejection control portion that controls the plurality of ejection portions based on the one data set received by the reception portion.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: October 11, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Osamu Shinkawa
  • Patent number: 11453793
    Abstract: The invention provides an inkjet method for producing a solder mask in the manufacture of a Printed Circuit Board. By using a solder mask inkjet ink containing at least one photoinitiator, at least one free radical polymerizable compound and at least one mercapto functionalized carboxylic acid as adhesion promoter, a high quality solder mask withstanding the high thermal stress during the soldering process while maintaining excellent physical properties, may be produced.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: September 27, 2022
    Assignees: AGFA-Gevaert NV, Electra Polymer Ltd.
    Inventors: Rita Torfs, Marion Sauvageot, Johan Loccufier
  • Patent number: 11440316
    Abstract: A recording apparatus includes a recording head including a plurality of ejection ports and a recording element, a driving unit configured to apply a driving pulse to drive the recording element, a temperature detection unit configured to detect a temperature change in a vicinity of the recording element, a determination unit configured to determine an ink ejection state of each of the ejection ports on the basis of the temperature change detected by the temperature detection unit, an acquisition unit configured to acquire information about atmospheric pressure around the recording head, and a setting unit configured to, when the determination unit determines the ink ejection state, set the driving pulse to be applied by the driving unit to the recording element on the basis of the information about the atmospheric pressure acquired by the acquisition unit.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: September 13, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kohei Sato, Yuhei Oikawa
  • Patent number: 11434383
    Abstract: Provided are an ink composition for ink jet printing, and an image forming method and a recorded material using the ink composition for ink jet printing. The ink composition for ink jet printing includes: a colorant represented by the following Formula 1; resin particles; a water-soluble organic solvent; and water. In Formula 1, Y1 and Y2 each independently represent a non-metal atomic group which forms an aliphatic ring or a heterocycle, M+ represents a proton or a monovalent alkali metal cation or organic cation, L1 represents a methine chain consisting of 5 or 7 methine groups, and a methine group at a center of the methine chain has a specific substituent.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: September 6, 2022
    Assignee: FUJIFILM CORPORATION
    Inventors: Misato Sasada, Toshiyuki Makuta, Daisuke Sasaki, Akihiro Hara
  • Patent number: 11426750
    Abstract: Application of liquid material is carried out without causing variations in discharge amount even on a stage under heating while temperature of a liquid material is adjusted by a temperature control device. A liquid material discharge device includes a discharge port, a liquid chamber in communication with the discharge port, and a temperature control device adjusting a temperature of the liquid chamber, the liquid material discharge device discharging the liquid material from the discharge port while a workpiece and the discharge port are moved relative to each other. The liquid material discharge device also includes a coolant flow path through which a coolant for heat exchange with the temperature control device flows, and a discharge control device controlling a discharge operation. An application device including the liquid material discharge device and an application method using the application device are also provided.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: August 30, 2022
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11401430
    Abstract: A white ink containing a white pigment, a polycarbonate urethane resin, a polyether urethane resin, and water; and a recording method using the white ink. An ink set provided with the white ink and at least one color ink, the color ink being an aqueous ink containing a coloring agent, the white ink and the color ink differing in surface tension at 25° C. by ±0-3 mN/m; and a recording method using the ink set.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: August 2, 2022
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Akitsu Hanazato, Hisamitsu Arakawa, Yuta Hagiwara, Motohiro Seki
  • Patent number: 11404362
    Abstract: A wiring substrate includes a wiring layer and an insulation layer covering the wiring layer. The insulation layer includes an opening partially exposing the wiring layer. A seed layer continuously covers a wall surface of the opening and an upper surface of the insulation layer. The wiring substrate also includes a metal layer, a metal post, and an outer coating plating layer. The opening is filled with the seed layer and the metal layer formed on the seed layer. The metal post is formed on the metal layer and on the seed layer that is located on the insulation layer. The outer coating plating layer includes an upper portion, entirely covering an upper surface of the metal post, and a side portion, entirely covering a side surface of the metal post and exposing an outer end surface of the seed layer. The side portion is thinner than the upper portion.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: August 2, 2022
    Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventor: Takashi Arai
  • Patent number: 11377722
    Abstract: A coating method for a component with at least one aperture includes providing a component having at least one aperture formed in a surface thereof; additively manufacturing a hollow member on a portion of the surface to define a space above each aperture, the portion of the surface being adjacent to the aperture, the hollow member having an inner peripheral geometry complementary to a peripheral geometry at least one of aperture; applying at least one coating over the surface of the component and around hollow member to form an applied coating having an applied coating thickness; and removing at least a portion of the hollow member to make a top portion of the hollow member coplanar with the applied coating to expose the space through the applied coating; wherein a lower portion of the hollow member remains to define the space through the applied coating.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: July 5, 2022
    Assignee: General Electric Company
    Inventors: David Allen Singletary, John Thomas Zanetti, Kassy Moy Hart, William Clifford Ross, Jose Troitino Lopez, Anderson Viaro Mattos, Fernando Jorge Casanova
  • Patent number: 11359107
    Abstract: An ink set containing an inkjet ink and a treatment liquid used in combination with the inkjet ink, wherein the inkjet ink contains a pigment, a water-soluble organic solvent, a surfactant and water, the water-soluble organic solvent contains a glycol ether-based organic solvent having a specific structure, the treatment liquid contains a coagulant, the coagulant contains calcium nitrate in an amount of 6.8 to 20.8% by mass relative to the total mass of the treatment liquid, and the amount of compounds contained in the treatment liquid that have three or more hydroxyl groups is not more than 15% by mass relative to the total mass of the treatment liquid.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: June 14, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD
    Inventors: Mayuko Okamoto, Atsushi Yoda, Norio Suzuki, Kazuhiro Jonai
  • Patent number: 11287661
    Abstract: A wearable display device includes a first display device and a second display device configured to display images correspondingly to left and right eyes, a first flexible board extending from the first display device to the second display device and configured to transmit a signal, and a second flexible board disposed overlapping the first flexible board. The first flexible board includes a surface overlapping the second flexible board and an opposite surface from the surface overlapping the second flexible board, the opposite surface being shielded, and the second flexible board includes a surface overlapping the first flexible board and an opposite surface from the surface overlapping the first flexible board, the opposite surface being shielded.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: March 29, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yasuhiro Terashima
  • Patent number: 11279163
    Abstract: A fabric printable medium includes a fabric base substrate including yarn strands and voids among the yarn strands; a finishing coating attached to the yarn strands of the fabric base substrate to form coated yarn strands; and pore spaces among the coated yarn strands and coinciding with at least some of the voids of the fabric base substrate. The finishing coating includes a crosslinked polymeric network. The fabric printable medium further includes a fire retardant coating applied to aback-side of the coated yarn strands.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: March 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Xulong Fu
  • Patent number: 11267240
    Abstract: Provided is an inkjet printing apparatus including: a print head configured to eject a metallic ink containing silver particles; a carriage configured to scan the print head; and a control unit configured to control the print operation so as to print an image on a print medium by causing the print head to eject the metallic ink onto the print medium and thereby form dots on the print medium while causing the carriage to scan the print head a plurality of times over a predetermined region on the print medium, wherein the control unit controls the print operation so as to print the image by causing the print head to eject the metallic ink at the same pixel position on the print medium in two or more printing scans and thereby generate a superimposed dot.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: March 8, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsukasa Doi, Hiromitsu Yamaguchi, Akitoshi Yamada
  • Patent number: 11242465
    Abstract: Aqueous inkjet ink compositions, methods of preparing the inkjet ink compositions, inkjet ink cartridges containing the aqueous inkjet ink composition, methods of filling a print cartridge with the aqueous inkjet ink composition, and methods of printing an image on a substrate using the inkjet ink composition are disclosed.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: February 8, 2022
    Assignee: Sun Chemical Corporation
    Inventors: Wenbin Hong, Mihaela Madaras, Peter John Lyon
  • Patent number: 11203035
    Abstract: A coating apparatus is connectable to both an image forming apparatus and a sheet feeder. The coating apparatus includes a coater, a carry-in entrance, and an ejector. The coater coats a recording medium with a treatment liquid. The carry-in entrance is on one of two exterior wall surfaces facing each other. The recording medium is conveyed from the sheet feeder through the carry-in entrance. The ejector is on another of the two exterior wall surfaces. The ejector ejects the recording medium to the image forming apparatus. A position of the carry-in entrance on the one of the exterior wall surfaces matches a position of the ejector on said another of the exterior wall surfaces.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: December 21, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshihiro Nakagaki, Kenji Nozawa
  • Patent number: 11189775
    Abstract: A composite substrate has: a first substrate having a first bump protruding therefrom; and a second substrate having a first surface in contact with the first bump, and a second surface opposite to the first surface, the second surface having a second bump protruding therefrom, the second substrate being laminated on the first substrate in a thickness direction perpendicular to the first surface. The first bump and the second bump are partially overlapped with each other as viewed in the thickness direction. The second bump has a rigidity which is lower than a rigidity of the first bump.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: November 30, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Keita Hirai
  • Patent number: 11173723
    Abstract: The present invention relates in particular to a method and a device for a spatially resolved production of a location dependent textured coating. The method includes the steps of provisioning a two-dimensional representation, evaluating a data record of the two-dimensional representation, determining local structures of the two-dimensional representation, determining the type and location of at least one texture that is produced on at least one region of the two-dimensional representation, provisioning a fluid coating material, and applying the fluid coating material to at least one region of the two-dimensional representation.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: November 16, 2021
    Assignee: ACTEGA Schmid Rhyner AG
    Inventors: Dirk Schlatterbeck, Roland Rüedi
  • Patent number: 11155087
    Abstract: There is provide a liquid discharge head including: a supply manifold; a feedback manifold; and a plurality of individual flow channels having: a supply portion, a descender portion, and a feedback portion. The supply manifold has a plurality of supply ports, and the feedback manifold has a plurality of feedback ports. At least part of the supply manifold overlaps with the feedback manifold in the second direction. The plurality of pressure chambers have first pressure chambers forming a first pressure chamber array and second pressure chambers forming a second pressure chamber array. The first pressure chamber array is arranged at one side, of the supply manifold, in a third direction and the second pressure chamber array is arranged at the other side, of the supply manifold, in the third direction. The first pressure chamber array and the second pressure chamber array are connected to the supply manifold.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: October 26, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shohei Koide, Keita Hirai, Keita Sugiura, Hiroshi Katayama
  • Patent number: 11148420
    Abstract: A liquid discharge head includes a drive base, a flexible wiring substrate, and a mask plate. The drive base includes an array of nozzles on a surface of the drive base, a plurality of actuators corresponding to the array of nozzles, and a plurality of electrodes on the surface of the drive base and electrically connected to the plurality of actuators. The flexible wiring substrate is electrically connected to the plurality of electrodes. The mask plate covers a portion of the surface of the drive base, the plurality of electrodes, and an end portion of the flexible wiring substrate. The mask plate includes a recess portion facing the drive base.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: October 19, 2021
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Shinichiro Hida
  • Patent number: 11141975
    Abstract: According to one embodiment, a size of an element substrate is reduced, and a printhead using the element substrate can print high-quality image. The multilayer structured element substrate comprises a plurality of print elements, and a circuit configured to input a data signal and a clock signal used for driving the plurality of print elements. And, a print element array formed by arranging the plurality of print elements in line is diagonally arranged with respect to a side constituting an outer shape of the element substrate. A print element at one end of the print element array is a dummy element not contributing to printing. The circuit is provided not only at the same position as that of the dummy element but also in a layer different from that of the dummy element.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: October 12, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hidenori Yamato, Masataka Sakurai
  • Patent number: 11135845
    Abstract: A liquid discharge head includes a plurality of nozzles to discharge liquid, a plurality of pressure chambers communicating with the nozzles, a plurality of individual flow paths communicating with the plurality of pressure chambers, and a common flow path communicating with the plurality of individual flow paths. Further, each individual flow path includes a first flow path portion and a second flow path portion each having a fluid resistance higher than a fluid resistance of a pressure chamber of the plurality of pressure chambers that communicates with the individual flow path, and a third flow path portion disposed between the first flow path portion and the second flow path portion, the third flow path portion having a fluid resistance lower than the fluid resistance of the first flow path portion and the third resistance of the second flow path portion.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: October 5, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Shiomi Andou, Takahiro Yoshida, Takayuki Nakai
  • Patent number: 11124006
    Abstract: To print a security feature on a medium a method is suggested, comprising inkjet printing an ink including one or more pigments, wherein at least one pigment satisfies the formula ??? ? ? gd 4 12 ? ? k B ? T > 1 and whereas ?? is the density difference between pigment and ink vehicle; g is the earth acceleration constant; d is the pigment particle diameter D90; kB is the Boltzmann constant; and T is the temperature. Inkjet printing of the ink is performed by a flextensional ink jet print head structure and printing is performed to provide one or more security features on the medium.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: September 21, 2021
    Assignee: SICPA HOLDING SA
    Inventor: Thibaut Martini
  • Patent number: 11111404
    Abstract: A printing method includes a white ink application step of ejecting a white ink from a printing head to apply the white ink onto a printing medium, a non-white ink application step of ejecting a non-white ink containing a non-white coloring material from a printing head to apply the non-white ink onto the printing medium, and a treatment liquid application step of applying a treatment liquid containing a flocculant onto the printing medium. The white ink contains a white pigment and inorganic fine particles having a smaller volume average particle size than the white pigment.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: September 7, 2021
    Inventor: Ippei Okuda
  • Patent number: 11104144
    Abstract: A liquid ejecting head includes a substrate where a first nozzle and a second nozzle that eject liquid. The substrate is formed with a plurality of hole portions which communicate with a supply liquid chamber and in each of which a meniscus for absorbing pressure variation of liquid inside the supply liquid chamber is formed. The plurality of hole portions include a first hole portion. A distance between an end portion of a first supply flow path on a side of the supply liquid chamber and the first hole portion is equal to a distance between an end portion of a second supply flow path on a side of the supply liquid chamber and the first hole portion.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: August 31, 2021
    Assignee: Seiko Epson Corporation
    Inventor: Tsutomu Nishiwaki
  • Patent number: 11097541
    Abstract: A liquid discharging head including a flow path member with layered plates is provided. The flow path member includes a common flow path, pressure-chamber inclusive flow paths, discharging flow paths, at least one supplying flow path. The pressure-chamber inclusive flow paths are formed in a part of the plates belonging to a first plate group and are arrayed in the first direction. The discharging flow paths are formed in another part of the plates belonging to a second plate group. The at least one supplying flow path is formed in at least one of the plates belonging to a third plate group. The third plate group includes at least one of the part of the plates belonging to the second plate group. The at least one supplying flow path has a connecting portion connected with at least two of the pressure-chamber inclusive flow paths.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 24, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Taiki Tanaka
  • Patent number: 11097542
    Abstract: There is provided a liquid discharge head including a channel unit. The channel unit includes: first and second individual channel groups including a plurality of first and second individual channels; two supply manifolds and two return manifolds; and bypass channels communicating with the two supply manifolds or with the two return manifolds. A relationship of |P1|>|P2| is satisfied, wherein P1 is a first pressure of the supply manifold provided commonly for the first individual channel group, P2 is a second pressure of the supply manifold provided commonly for the second individual channel group, ?P1 is a third pressure of the return manifold provided commonly for the first individual channel group, and ?P2 is a fourth pressure of the return manifold provided commonly for the second individual channel group.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: August 24, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shotaro Kanzaki, Toshihiro Kishigami
  • Patent number: 11065873
    Abstract: A liquid ejection apparatus includes a supply manifold, a return manifold, and a plurality of individual channels. The supply manifold and the return manifold are elongate and vertically overlap each other, and liquid flows therein. Each individual channel connects the supply manifold and the return manifold and includes a supply throttle connected, at a supply-manifold-side opening thereof, to the supply manifold, a return throttle connected, at a return-manifold-side opening thereof, to the return manifold, a nozzle from which liquid is ejected, and a descender connecting the supply throttle and the return throttle, and connected to the nozzle. The supply-manifold-side opening of the supply throttle is positioned to vertically overlap a central area of the supply manifold in a width direction, and the return-manifold-side opening of the return throttle is positioned to vertically overlap a central area of the return manifold in the width direction.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: July 20, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Katayama, Shohei Koide, Keita Hirai, Keita Sugiura
  • Patent number: 11059290
    Abstract: A fluid ejection device includes a fluid slot, three laterally adjacent fluid ejection chambers each having a drop ejecting element therein, a fluid circulation path communicated with each of the three laterally adjacent fluid ejection chambers, and a fluid circulating element within the fluid circulation path, with at least two laterally adjacent fluid ejection chambers of the three laterally adjacent fluid ejection chambers to substantially simultaneously eject drops of fluid therefrom such that the drops of fluid are to coalesce during flight.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: July 13, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Alexander Govyadinov, Tsuyoshi Yamashita, Nicholas McGuinness, David P Markel, Erik D Tornianen
  • Patent number: 11051512
    Abstract: Stable, solid triamine compositions are disclosed. The pressed, cast, extruded or other solid compositions are suitable for antimicrobial, sanitizing and disinfectant applications. Ready-to-use solutions are obtained by dissolving the solid triamine compositions with water and the methods of use thereof are particularly suitable for cleaning, disinfecting, sanitizing, rinsing and/or lubricating. Beneficially, the solid triamine compositions are at least partially neutralized, allowing activity of 90% and greater of the biocidal triamine, and provide at least substantially similar or superior performance and micro efficacy to liquid formulations.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: July 6, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Erik C. Olson, Carter M. Silvernail, Gregory G. Griese
  • Patent number: 11043096
    Abstract: A method for detecting a fault with electrical hardware installed in an enclosure. The method includes a step of measuring the concentration of volatile organic compounds, of microparticles and of gases. The measurements are corrected on the basis of climate data and then calculations of drift and change of concentration are performed. An alarm is emitted when a set of drift or change of concentration thresholds are crossed. A device implementing the method and to an electrical enclosure equipped with such a device.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: June 22, 2021
    Assignee: Schneider Electric Industries SAS
    Inventors: Frederic Bonnard, Daniel Moustrou, Emir Boumediene, Yannick Neyret
  • Patent number: 11034167
    Abstract: A printing system includes: a media feed chassis including a plurality of fixed roller shafts, each roller shaft having a rotatable roller for guiding print media through a media feed path; and one or more inkjet modules mounted on the media feed chassis for printing on the print media. Each inkjet module has a support chassis seated on a set of roller shafts, and the support chassis includes a base having a set of notches defined therein, the roller shafts being received within the notches.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: June 15, 2021
    Inventor: Mark Profaca
  • Patent number: 11028281
    Abstract: Described herein are free radically polymerizable aqueous inkjet compositions that include water, a water-soluble or water-dispersible component polymerizable by free radical polymeration, and one or more water-soluble organic solvents in compliance with following Formula I: ?(Xn·Hn·Bn)????(I), where ? is 2,000,000. The variables of the formula are defined herein. Also described are printed articles that include the inkjet compositions of the disclosure. The inkjet compositions dry rapidly while remaining fluid during printing, thereby avoiding clogging in the print head.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: June 8, 2021
    Assignee: Sun Chemical Corporation
    Inventors: Andrew Balch, Derek Ronald Illsley
  • Patent number: 11018163
    Abstract: The present disclosure provides a fan-out structure and a method for manufacturing the same, and a display panel, relating to the field of display technology. The fan-out structure includes a plurality of fan-out units for connecting a drive circuit to a display area, wherein each of the fan-out units includes a fan-out line, and at least one of the fan-out units further includes a resistance adjustment unit connected to a corresponding fan-out line, and the resistance adjustment unit is configured to make a resistance difference between different fan-out units smaller than a first threshold.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: May 25, 2021
    Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yunze Li, Ni Yang, Zhijian Qi, Qi Hu, Jianfeng Liu
  • Patent number: 11001086
    Abstract: An up-down moving mechanism includes a support member; an up-down moving member that is formed separately from the support member and can be moved up and down with respect to the support member; a screw shaft for moving up and down the up-down moving member; a nut member that is screwed onto the screw shaft; a guide rail that guides the up-down moving member in a vertical direction; a guide block that slidably engages with the guide rail; and a gas spring that includes a cylinder and a piston rod biased in a direction projecting out from the cylinder, and that biases the up-down moving member toward an upper side with respect to the support member. To the support member, the screw shaft is rotatably attached, the guide rail is fixed, and the piston rod is attached.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 11, 2021
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Sho Koshiba
  • Patent number: 10981397
    Abstract: Machine for printing objects having outer surfaces to be printed, the machine including a frame, and at least two treatment units and a printing unit attached on the frame, the printing unit including at least one inkjet printhead suitable for ejecting inkjets along a printing direction, and a turret mounted rotating relative to the frame around a rotation axis, and including four object holders spaced regularly apart at 90° around the rotation axis, and suitable for holding the objects and rotating them around four object-holder axes perpendicular to the rotation axis, the turret being movable successively between four positions, at least one of the object holders being across from the printing unit in each of the positions, while two others of the object holders are across from the treatment units, the printing machine including a turret support with an adjustable incline around a pivot axis relative to the frame.
    Type: Grant
    Filed: October 7, 2018
    Date of Patent: April 20, 2021
    Assignee: MACHINES DUBUIT
    Inventor: Jean-Louis Dubuit
  • Patent number: 10946641
    Abstract: In a control device, a controller is configured to perform: executing a first print printing a first partial image in a first printing area and a second print printing a second partial image in a second printing area; setting a first ink pressure value for the first print; obtaining a recovery value to be recovered in a time period from completion of the first print to start of the second print; calculating a residual pressure value based on the first ink pressure value and the recovery value; setting a second ink pressure value for the second print using the residual pressure value; and determining whether the second ink pressure value reaches a threshold value. A first mode of print is performed when the second ink pressure value does not reach the threshold value. A second mode of print is performed when the second ink pressure value reaches the threshold value.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: March 16, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shin Hasegawa, Masashi Kuno, Shota Morikawa, Satoru Arakane, Yoshiharu Furuhata
  • Patent number: 10947402
    Abstract: An inkjet method for producing a solder mask in the manufacture of a Printed Circuit uses a solder mask inkjet ink containing at least one photo-initiator, at least one free radical polymerizable compound and at least one allyl sulfone compound as adhesion promoter. A high quality solder mask withstanding the high thermal stress during the soldering process while maintaining excellent physical properties is produced.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: March 16, 2021
    Assignees: AFGA-GEVAERT NV, ELECTRA POLYMER LTD
    Inventors: Johan Loccufier, Rita Torfs, Marion Sauvageot
  • Patent number: 10928369
    Abstract: The invention relates to a method for calibrating an electronic nose, said electronic nose comprising a plurality of optical sensors arranged on a surface and capable of being in contact with a gaseous medium of interest, said optical sensors being capable of delivering a signal representative of the local optical index of the gaseous medium of interest when they are excited by photons, the method being characterized in that it comprises the following steps: after having placed the electronic nose in a gaseous medium of interest at the initial pressure (P0) and the initial temperature (T0): a) sending photons in the direction of the sensors so as to excite said sensors; b) measuring the signal delivered by each of the sensors, this measurement providing as many responses as there are sensors; c) modifying the pressure and/or temperature of the gaseous medium of interest; d) repeating step b); and e) for each sensor, determining a correction factor such as a variation in the signal between steps d) and b) corr
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: February 23, 2021
    Assignees: ARYBALLE TECHNOLOGIES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, COMMISSARIAT A L'ENERGIE ATOMIQUE, UNIVERSITE GRENOBLE ALPES
    Inventors: Cyril Herrier, Yanxia Hou-Broutin, Francois-Xavier Gallat, Thierry Livache, Tristan Rousselle