Suction Patents (Class 347/30)
  • Patent number: 10837978
    Abstract: The present invention provides a method for removing liquid from the interior of a flow channel tip, which enables both to reduce the amount of liquid remaining and prevent the time spent removing the liquid from being longer than necessary. The method comprises: suctioning a liquid within a flow channel, the liquid being suctioned into the interior of a liquid suction implement inserted into a first through-hole of a flow channel tip; and removing the liquid within the flow channel. This method comprises: a first suction step for suctioning some of the liquid within the flow channel at a first suction speed; and a second suction step for suctioning the liquid remaining within the flow channel at a second suction speed that is less than the first suction speed, the second suction step being performed in continuation from the first suction step.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: November 17, 2020
    Assignee: Konica Minolta, Inc.
    Inventors: Atsuo Iwashita, Youichi Aoki, Koji Miyazaki
  • Patent number: 10836986
    Abstract: A bioreactor system (1A; 1B) includes a variable volume container (3) having a flexible outer wall (27, 29) defining a cell-culture chamber for containing a fluid culture medium, and anchorage dependent cells in suspension. A agitator unit of the system (1A; 1B) is in fluid communication with first, second and third fluid ports (43, 45, 47A; 47B) for performing controlled replenishment of the culture medium in the cell-culture chamber, to admit fresh nutritive culture medium into the cell-culture chamber and for allowing draining of waste culture medium from the cell-culture chamber. The agitator unit further has a roller (15) for pinching the outer wall of the variable volume container (3) to thereby increase its a volume that forms the cell-culture chamber, starting from the initial minimum volume area (23), and means for gently agitating the cell-culture chamber.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: November 17, 2020
    Assignee: SCINUS CELL EXPANSION B.V.
    Inventors: Emerentius Gerardus Roosloot, Rudolf Hendrikus Jozef Das, Joost Dick De Bruijn, Pieter Theo Elias Van Santen
  • Patent number: 10821736
    Abstract: A liquid discharge head includes a discharge port; a flow passage; a discharge port part; a supply flow passage; and a recovery flow passage. The flow passage, the supply flow passage, and the recovery flow passage are configured such that the liquid inside the flow passage is capable of being circulated between the inside of the flow passage and the outside of the flow passage. An opening of the discharge port is configured such that a liquid surface of the liquid within the opening of the discharge port has a first region and that a second region, and a viscosity of the liquid in the first region is 1.2 or more times higher than a viscosity of the liquid in the second region.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: November 3, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shingo Okushima, Yoshiyuki Nakagawa, Kazuhiro Yamada, Yasuhiko Osaki, Naozumi Nabeshima
  • Patent number: 10814634
    Abstract: A capping station is configured for storing a printhead during printer inactivity to preserve the operational status of the nozzles in the printhead. Each capping station has a housing having at least one wall and a floor configured to enclose a volume partially, and a plate having a textured surface that is positioned at a predetermined distance from a top surface of the at least one wall of the housing. The textured surface is made of a resilient material that has cells that contain flushing fluid. A printhead is pushed within the volume of the housing to engage the textured surface of the plate to press the flushing fluid into the faceplate of the printhead. The flushing fluid and the proximity of the textured surface keep ink on the faceplate and within the nozzles of the faceplate from drying.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: October 27, 2020
    Assignee: Xerox Corporation
    Inventors: Robert E. Rosdahl, Jr., Paul S. Bonino
  • Patent number: 10786993
    Abstract: There is provided a liquid ejecting apparatus including: a liquid-ejecting-portion configured to eject a liquid from a nozzle; a cap configured to be relatively move with respect to the liquid-ejecting-portion and configured to form a closed space in which the nozzle is open between the cap and the liquid-ejecting-portion; a negative-pressure-generation-mechanism configured to generate a negative pressure; a pressure chamber configured to accumulate the negative pressure by driving the negative-pressure-generation-mechanism; a discharge flow path that communicates with the cap and the pressure chamber; a discharge flow path opening/closing mechanism configured to open and close the discharge flow path; a volume variable mechanism configured to change a volume of the pressure chamber; and a controller that controls the negative-pressure generation-mechanism, the discharge flow path opening/closing mechanism, and the volume variable mechanism.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: September 29, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Ryo Inoue
  • Patent number: 10780700
    Abstract: A printing unit includes a printing device including a metal component, and a print head that prints a print-target image onto a print medium; and a capping device including a cap covering the print head, an elastic member that urges the cap toward the print head, and a magnet that attracts the metal component.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: September 22, 2020
    Assignee: CASIO COMPUTER CO., LTD.
    Inventor: Fumihiro Osakabe
  • Patent number: 10780692
    Abstract: A droplet discharging apparatus includes: a droplet discharger including a pressure chamber, an actuator and a nozzle provided corresponding to the pressure chamber, and a discharge flow path coupled to the pressure chamber, the droplet discharger performing a recording process by discharging liquid in the pressure chamber from the nozzle in the form of droplets; and a return flow path coupled to the discharge flow path and forming a circulation path. The droplet discharging apparatus performs as a maintenance operation for the droplet discharger, a first discharge operation of causing the liquid in the pressure chamber to be discharged toward the return flow path via the discharge flow path when no droplets are discharged from the nozzle during the recording process.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: September 22, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Atsushi Ono, Hitotoshi Kimura
  • Patent number: 10744784
    Abstract: The present invention is intended to provide a tube pump which can suppress occurrence of a back flow of liquid in a tube at the time of reverse rotation of a second rotating body, with a simple configuration. The tube pump includes a tube; a case; a roller making a specific movement; a first rotating body having a guiding part which guides the roller in an arc radial direction of the arc-shaped wall surface of the case; and a second rotating body having a roller position regulating part acting on a position in an arc radial direction of the arc-shaped wall surface of the case of the roller.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: August 18, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventor: Katsuyuki Yokoi
  • Patent number: 10730307
    Abstract: Various defects that occur when a water-repellent or defoaming layer is formed on a contact portion of a liquid container are reduced. A method for manufacturing a liquid container for containing a liquid includes: (a) preparing a pre-formation liquid container in which a surface layer has not been formed; (b) bringing an aqueous solution obtained by adding water to one of a defoaming agent and a water-repellent agent into contact with a surface of a contact portion with which the liquid is brought into contact, of the pre-formation liquid container; and (c) drying, after the step (b), the contact portion to form the surface layer that is formed of one of the defoaming agent and the water-repellent agent on a surface of the contact portion.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: August 4, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yasunori Koike, Takashi Koase, Satsuki Hayashi
  • Patent number: 10717284
    Abstract: A capping station is configured for storing printheads during printer inactivity to preserve the viscosity of the ink in the nozzles of the printheads. Each capping station has a receptacle, a planar member having a shaft that moves bidirectionally within an opening in a floor of the receptacle, a source of cleaning fluid, and a vacuum source. A controller is operatively connected to actuators to move the receptacle so a seal on an upper wall of the receptacle engages a printhead housing and to move the planar member within the receptacle. The controller also operates a pump to move cleaning fluid through the receptacle and to operate the vacuum source to pull ink from the nozzles of a printhead to the faceplate of the printhead. The planar member is moved proximate the faceplate so the ink forms a film that preserves the viscosity of the ink in the nozzles.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 21, 2020
    Assignee: Xerox Corporation
    Inventors: Timothy G. Shelhart, Piotr Sokolowski, Sean R. Keyes, Ana R. Fietz-Bogota
  • Patent number: 10696052
    Abstract: A cap is positioned to contact a printhead when the printhead is not ejecting liquid ink onto print media. A dispenser dispenses an ink stabilizing material into the cap. A blocking structure is positioned in the cap to contact vent openings of the inkjet printhead when the inkjet printhead is in the cap and is in a location to submerge the nozzles in the ink stabilizing material in the cap. An ink control device draws the ink stabilizing material into nozzles of the inkjet printhead when the vent openings are blocked by the blocking structure. The ink control device subsequently draws the ink stabilizing material into the vent openings when the vent openings are separated from the blocking structure.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: June 30, 2020
    Assignee: Xerox Corporation
    Inventors: Jason M. LeFevre, Douglas K. Herrmann, Paul J. McConville, Chu-heng Liu, Seemit Praharaj, Michael J. Levy, David A. VanKouwenberg, Linn C. Hoover
  • Patent number: 10654678
    Abstract: A unit for thermosetting printed fabrics, comprising: a heated roller rotating about a rotation axis and having a cylindrical outer surface, at least one fabric guiding element having an inner wall facing the cylindrical outer surface of the heated roller and defining a gap with the cylindrical outer surface of the heated roller, for passing the fabric wherein said fabric guiding element is carried by an adjusting device rotatable about said rotation axis to adjust the angular position of said guiding element about said rotation axis.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: May 19, 2020
    Assignee: ATPCOLOR S.R.L.
    Inventor: Roberto Maria Martellono
  • Patent number: 10618290
    Abstract: An inkjet head maintenance device includes a base, a liquid supplier and a liquid collector. The base has an upper face disposed closely opposite a nozzle face of an inkjet head to form a liquid reservoir space during maintenance of the inkjet head. The base includes a liquid supply hole and a liquid collection hole that open to the upper face. The liquid supplier is configured to supply liquid from the liquid supply hole to the liquid reservoir space. The liquid collector is configured to collect the liquid in the liquid reservoir space from the liquid collection hole.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: April 14, 2020
    Assignee: TORAY ENGINEERING CO., LTD.
    Inventors: Yoshiyuki Kitamura, Satoshi Tomoeda, Kazuyuki Shishino
  • Patent number: 10618289
    Abstract: A liquid ejecting apparatus includes a liquid ejecting head provided with a nozzle and a cap that executes capping for forming a first space to which the nozzle is open, in a surrounding manner. The cap includes a capping member that is provided with a suction hole and an atmosphere communicating hole which is configured to allow an inside of the cap to communicate with an outside, a liquid absorber that is disposed inside the capping member, and a reception member that is disposed inside the capping member so as to form a second space between the liquid absorber and the reception member. The second space is positioned closer to a side of the liquid ejecting head than to the liquid absorber in a posture of capping, and the atmosphere communicating hole is open to the second space.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: April 14, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Hiromichi Nakashima, Yuichi Urabe, Kentaro Murakami, Shuji Funada, Hisashi Sato, Akihiro Furuya
  • Patent number: 10609822
    Abstract: A jetting device may include a vacuum nozzle configured to direct a gaseous flow of a gaseous fluid in flow communication with a jetting outlet; a vacuum pump configured to draw the gaseous flow into the vacuum nozzle and further towards the vacuum pump via the vacuum nozzle outlet; and an inlet conduit between a vacuum nozzle inlet and the ambient environment, where the inlet conduit includes a control valve configured to control a flow rate of the gaseous flow through the vacuum nozzle outlet based on adjusting a smallest diameter of the inlet conduit between an open diameter and a constricted diameter. The open diameter may be greater than a smallest diameter of the suction hole. The gaseous flow may include a first gaseous flow into the vacuum nozzle via a suction hole and an adjustable second gaseous flow into the vacuum nozzle via the vacuum nozzle inlet.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: March 31, 2020
    Assignee: Mycronic AB
    Inventor: Daniel Brevemark
  • Patent number: 10569560
    Abstract: An inkjet printing apparatus includes a print head, an ink tank containing ink to be supplied to the print head, a cap switchable between a covering position to cover a discharge port face and an exposing position to expose the discharge port face, a suction unit connected to the cap, and a control unit. The control unit controls the performing of an ink filling operation of filling the print head with the ink supplied from the ink tank. The ink filling operation includes a valve-closing suction operation of performing suction through the suction unit for a predetermined period of time while the cap is in the covering position. The apparatus further includes a detection unit configured to detect an ink filling state. The control unit controls the stopping of the ink filling operation in accordance with a detection result of the detection unit.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: February 25, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoaki Wada, Toshiro Sugiyama, Noriyuki Aoki, Toshiaki Yamaguchi, Masakazu Nagashima, Ryohei Maruyama
  • Patent number: 10493762
    Abstract: There is provided an inkjet printing apparatus having a configuration of capping and sucking an ejection opening surface for ejecting a plurality of types of inks by using one cap member, in which the inks in the cap member can be sucked and removed evenly. To achieved this, a cap member is provided with a suction opening for externally discharging ink absorbed by an absorber in the cap member. The suction opening is formed in a position where the suction opening does not face first ejection openings for ejecting ink that may not easily stagnate and faces the second ejection openings for ejecting ink that may easily stagnate in a case where the cap member caps an ejection opening surface.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: December 3, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noriko Sato, Hiroshi Nakai, Yoshinori Nakagawa, Takatoshi Nakano, Atsushi Takahashi, Takuya Fukasawa
  • Patent number: 10464338
    Abstract: A liquid discharge apparatus includes a casing, a liquid discharge head that includes a nozzle for discharging a liquid supplied from a liquid supply source provided in the casing, a waste liquid tank that accommodates in the casing a fluid emitted from the nozzle, and an outlet opening for emitting the fluid emitted from the nozzle to an outside of the casing without emitting the fluid into the waste liquid tank provided in the casing.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: November 5, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Manabu Hanakawa, Yukimasa Ishida, Hironori Matsuoka, Toshio Sukigara, Kazuhiro Yamato, Yasunori Kuramoto
  • Patent number: 10414159
    Abstract: An ink jet recording method includes heating a recording medium, and discharging a water-based ink composition which contains a resin fine particle, water, a water-soluble organic solvent, and a surfactant from an ink jet head so as to adhere the water-based ink composition to the heated recording medium in the heating, in which the water-based ink composition has a contact angle of the water-based ink composition with respect to an ink film obtained by drying the water-based ink composition is equal to or larger than 25° at 100 ms, and is equal to or larger than 20° at 1000 ms.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: September 17, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Akira Mizutani
  • Patent number: 10399356
    Abstract: A liquid ejecting apparatus includes: a liquid ejecting section having a nozzle that is configured to eject liquid; a liquid tank that is configured to receive the liquid ejected from the nozzle, and is disposed at a separate position from the liquid ejecting section; a waste liquid containing chamber that stores liquid ejected from the liquid ejecting section or waste liquid generated during a maintenance operation of the liquid ejecting section; a main base section which includes at least the liquid ejecting section and constitutes a base of the apparatus; and a sub base section which includes at least one of the liquid tank and the waste liquid containing chamber and is detachably attached to the main base section, and constitutes a base of the apparatus together with the main base section.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: September 3, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Ryuji Moriyama, Makoto Sato, Hisayuki Akahane
  • Patent number: 10232626
    Abstract: An inkjet printer includes an ejection head that ejects an ink onto a recording medium, a passage in which an ink mist generated by the ejection head flows, a gas-liquid separator that is located in a portion of the passage and separates ink and air from the ink mist, and a blower that is located in the passage and causes the ink mist to be moved away from the ejection head to the gas-liquid separator. A downstream side of the gas-liquid separator is above an upstream side of the gas-liquid separator in a gravitational direction.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: March 19, 2019
    Assignee: ROLAND DG CORPORATION
    Inventor: Hideyuki Hasegawa
  • Patent number: 10160241
    Abstract: A liquid discharging apparatus including a fixed section; a movable section that is mounted to be displaceable with respect to the fixed section; a rail section which has a planar portion, in which a plane is formed in a reference direction, and in which the planar portion is fixed to the movable section; and a carriage on which a head that is able to discharge a liquid is mounted and which is mounted on the rail section to be movable in the reference direction, in which the movable section is displaced with respect to the fixed section so as to rotate the rail section about an axis extending in the reference direction.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: December 25, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Daisuke Hiruma, Eri Marumoto
  • Patent number: 10160219
    Abstract: For an image forming apparatus including first and second storage chambers, an inequality expression of “R2>A×R1” is met. R1 is a sum of a passage resistance value obtained by flowing air through a first air communication portion and a passage resistance value obtained by flowing liquid through a supply portion. R2 is a passage resistance value obtained by flowing air through a second air communication portion. A is a cross-sectional area ratio obtained by dividing a first average cross-sectional area of a first space of the first storage chamber taken along a plurality of horizontal planes by a second average cross-sectional area of a second space of the second storage chamber taken along the plurality of horizontal planes. The first space contains at least a portion adjacent to the supply portion and accumulating the liquid. The second space contains at least a portion accumulating the liquid.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: December 25, 2018
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Akihito Kobayashi, Akinari Ishibe, Yuma Tanabe, Masahiro Hayashi, Masatake Sato
  • Patent number: 10137698
    Abstract: A mixer system for use with a non-contact liquid printer comprises: a printing liquid reservoir (103) and an expansion volume (105); and an aspirator element (111; 311; 411), configured to reduce the pressure in the expansion volume (105), thereby to displace printing liquid (L) from the reservoir (103) to the expansion volume (105), and restore the pressure in the expansion volume (105), thereby to return the printing liquid (L) to the reservoir (103) so as to mix the printing liquid (L) therein.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: November 27, 2018
    Assignee: The Technology Partnership Plc
    Inventors: Abi Graham, Sam Pollock, Neil Renault, Katie Sampson
  • Patent number: 10124616
    Abstract: A printhead capping system includes: a mounting bracket having a fixed shaft; a cap assembly mounted on the mounting bracket; and an arm hingedly connected to the shaft, the arm moving the cap assembly between a capping position and a printing position. The shaft is a drain shaft for receiving fluid drained from the cap assembly.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: November 13, 2018
    Assignee: MEMJET TECHNOLOGY LTD.
    Inventors: Mark Profaca, David Burke, Billy Sy, Gilbert Alemana, Christopher Hibbard, Rommel Balala
  • Patent number: 10112398
    Abstract: There is provided a liquid discharging apparatus including: a liquid jet head, a receiving portion, a tube pump, and a controller. The controller carries out a process of acquiring present positional information of a pressing body inside the tube pump and a simultaneous process which simultaneously performs a flushing process and a discharge process and, as the flushing process, carries out a process of selectively performing either an ordinary flushing process or a restrained flushing process. In the simultaneous process, the controller carries out either the ordinary flushing process when the pressing body is not positioned to press an overlapped portion of a tube or the restrained flushing process when the pressing body is positioned to press the overlapped portion of the tube.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: October 30, 2018
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shotaro Iida, Toshiro Ueda
  • Patent number: 10105953
    Abstract: A cleaning device includes a blade unit configured to move relative to an ink jet head and to wipe an ejection surface of the ink jet head. The blade unit includes a first blade and a second blade that are arranged in a moving direction of the blade unit and formed into flexible plate shapes and a blower that makes an inner space, which is defined by the first blade and the second blade, into a negative pressure.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: October 23, 2018
    Assignee: SII PRINTEK INC.
    Inventor: Masaru Midorikawa
  • Patent number: 10071555
    Abstract: A liquid ejection apparatus comprises a liquid ejection head, a nozzle cap, and a suction pump. The liquid ejection head includes first nozzles, second nozzles, and an ejection surface in which the first nozzles and the second nozzles are formed. The nozzle cap includes a first cap section for covering the first nozzles, a second cap section for covering the second nozzles, a communication section connected with the first cap section and the second cap section, a suction port for being connected with the suction pump, and an atmosphere communication port for communication with atmosphere. At least one of the suction port and the atmosphere communication port is provided at non-connection end portions which are end portions in the one direction of the first cap section and the second cap section and are not connected with the communication section.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: September 11, 2018
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Fumio Nakazawa
  • Patent number: 10040289
    Abstract: There is provided an ink-jet printer, including: a conveyor; a carriage; a recording head; a sensor; a cap; a cap shifter; a reference wall; a memory; a power supply; a command receiver; and a controller. The controller is configured to execute judging a state of the power supply section; changing a relative position of the recording head and the cap from the covering position to the separated position to take the cap off the recording head; switching the power supply from the sleep state to the drive state, changing a relative position of the recording head and the cap from the covering position to the separated position by taking the cap off the recording head, storing in the memory the position information, and recording an image on the sheet conveyed to the sheet facing area.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: August 7, 2018
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Satoru Arakane
  • Patent number: 10035349
    Abstract: A liquid ejection device includes an ejection head, a cap configured to cover the nozzle, a first liquid receiver including a first receiving surface and a discharge portion connected to the first receiving surface. The liquid ejection device includes a second liquid receiver including a second receiving surface positioned under the discharge portion. One of the first liquid receiver and the second liquid receiver has an engagement portion, and the other of the first liquid receiver and the second liquid receiver has an engaged portion. A play between the engagement portion and the engaged portion is smaller than a distance between both ends of the second receiving surface in the direction parallel to the second receiving surface.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: July 31, 2018
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Shuichi Tamaki
  • Patent number: 10029468
    Abstract: A liquid ejection device includes an ejection head with at least one nozzle on an ejection surface, a cap, and a liquid receiver having a first side in a first direction parallel to the ejection surface and a second side opposite to the first side in the first direction. The liquid ejection device includes a movement mechanism configured to move at least one of the cap and the ejection head between states where the cap covers the ejection head and where the cap does not cover the ejection head. In the state that the cap is separated from the ejection head, the support structure supports the liquid receiver to be inclined such that the first side is positioned lower than the second side in the second direction. The liquid receiver includes an outlet disposed on the first side.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: July 24, 2018
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Shuichi Tamaki
  • Patent number: 9969159
    Abstract: A liquid ejecting apparatus may include a flow path forming substrate in which a pressure generation chamber which communicates with a nozzle opening that discharges liquid is formed and a communication plate which has a supply path that communicates with a manifold. A recess portion which configures at least a part of the manifold is open on a side opposite to the flow path forming substrate, on the communication plate. The supply path includes a discharge supply path which communicates with a discharge pressure generation chamber that discharges liquid from the nozzle opening, and a dummy supply path which communicates with a dummy pressure generation chamber that does not discharge liquid from the nozzle opening.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: May 15, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Yoichi Naganuma, Shunsuke Watanabe, Motoki Takabe, Shingo Tomimatsu
  • Patent number: 9969170
    Abstract: A print device includes a head, a cap, a suction portion, an absorption member, and a plate-shaped member. The head has an ejection surface. The ejection surface has a plurality of nozzles formed in the ejection surface and is directed in a predetermined direction. The cap has a frame-shaped wall portion and a suction opening. The suction portion is connected to the inside of the cap via the suction opening. The absorption member is arranged in a position surrounded by the frame-shaped wall portion and is configured to absorb liquid. The plate-shaped member is arranged in a position surrounded by the frame-shaped wall portion and is extending along an inner end surface of the frame-shaped wall portion.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: May 15, 2018
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Katsunori Nishida
  • Patent number: 9956767
    Abstract: A liquid ejecting apparatus includes an ejecting unit, a differential amplifier, a pair of transistors, and a selector. The ejecting unit includes a piezoelectric element which is configured to be displaced by a drive signal being applied to the piezoelectric element. The ejecting unit is configured to eject liquid in accordance with displacement of the piezoelectric element. The differential amplifier is configured to output a control signal based on a source drive signal which is a source signal of the drive signal and a signal based on the drive signal. The transistors includes a high-side transistor and a low-side transistor which are configured to be controlled based on the control signal and are configured to output the drive signal from an output terminal of the transistors. The selector is configured to select one of the high-side transistor and the low-side transistor and supply the control signal to a selected transistor.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: May 1, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Akira Abe
  • Patent number: 9925788
    Abstract: Methods and apparatus to prime a printhead assembly are disclosed. An example method includes drawing ink into a printhead assembly by operating a pump in fluid communication with the printhead assembly for a first period of time at a first speed. An amount of ink drawn into the printhead assembly during the first period is to be sufficient to cover nozzles of a die at an outlet of the printhead assembly. The example method further includes evacuating air within the printhead assembly by operating the pump for a second period of time after the first period of time at a second speed greater than the first speed.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: March 27, 2018
    Assignee: Hewlett-Packard Development Company L.P.
    Inventor: Randal J. Morrison
  • Patent number: 9878547
    Abstract: A cleaning liquid supplying apparatus includes a first storage section, a pressure-accumulating second storage section, a plurality of cleaning liquid ejecting sections, a liquid sending section, a plurality of individual flow channel opening/closing sections, and a control section. The first storage section stores cleaning liquid. The cleaning liquid ejecting sections are connected to the second storage section via a plurality of individual flow channels having upstream ends located at positions where the upstream ends are open to a liquid reservoir when a predetermined amount of the cleaning liquid is stored in the second storage section. The liquid sending section is provided midway along a first flow channel and sends the cleaning liquid in the first storage section to the second storage section. The individual flow channel opening/closing sections open/close the respective individual flow channels.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: January 30, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Seiko Hamamoto, Toshio Kumagai, Hiroshi Asawa
  • Patent number: 9878543
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion which has a nozzle that ejects liquid, and a flushing receptive body which receives the liquid that is ejected in a flushing operation in which the liquid is ejected from the nozzle, the flushing receptive body including a receiving member that is able to receive the liquid, a receiving member holding portion which holds the receiving member, and a fixing member with conductivity that fixes the receiving member to the receiving member holding portion by contacting the receiving member and has a mesh form portion that forms an adhesion surface to which the ejected liquid is adhered with the receiving member in the flushing operation, in which the fixing member is electrically grounded.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: January 30, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Koji Harada, Shigeki Suzuki, Kinya Ozawa, Hitotoshi Kimura
  • Patent number: 9868286
    Abstract: A liquid discharge apparatus includes a liquid discharge head, a cap, a wiper, a maintenance device, and a maintenance controller. Receiving an execution instruction of a maintenance operation, the maintenance controller controls the maintenance device to perform a second maintenance operation when an amount of stain of a nozzle face of the head from a preceding round of the second maintenance operation is equal to or greater than a first threshold and an elapsed time from the preceding round of the second maintenance operation is equal to or greater than a second threshold, and controls the maintenance device to perform a first maintenance operation when the amount of stain of the nozzle face from the preceding round of the second maintenance operation is equal to or greater than the first threshold and the elapsed time from the preceding round of the second maintenance operation is smaller than the second threshold.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: January 16, 2018
    Assignee: Ricoh Company, Ltd.
    Inventor: Masanori Igarashi
  • Patent number: 9789695
    Abstract: In a configuration in which an ink accommodating portion is provided on the outside of an apparatus main body, an appropriate control for suppressing influence of noise can be performed.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: October 17, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Atsushi Takei, Satoshi Iwaya, Yuji Miyamoto
  • Patent number: 9782971
    Abstract: A cartridge servicing case for servicing a fluid jet cartridge carrying a composition includes a case body having a pocket that is sized to receive the fluid jet cartridge. A moveable cartridge servicing member is moveable relative to the case body. The moveable cartridge servicing member includes at least one of a wiping element and a capping element carried by the moveable cartridge servicing member. The pocket is arranged and configured to expose nozzles of the fluid jet cartridge received by the pocket to the moveable cartridge servicing member for a servicing operation using the at least one of the wiping element and capping element.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: October 10, 2017
    Assignee: The Procter & Gamble Company
    Inventors: Paul John Edward Vernon, Thomas Elliot Rabe, Grant Edward Anders Striemer, Janette Villalobos Lingoes
  • Patent number: 9782972
    Abstract: A discharge portion includes a discharge face on a first direction side. A support portion supports the discharge portion on a second direction side. A wiper can move from a third direction side to a fourth direction side of the discharge face. The third direction and the fourth direction orthogonally intersect the first direction and the second direction. A first cover portion covers an edge on the third direction side of the support portion and includes a first flat face part which is provided parallel to the discharge face and located to the first direction side of the discharge face. A second cover portion covers an edge on the fourth direction side of the support portion. The second cover portion includes a second flat face part. The second flat face part is provided parallel to the discharge face and to the second direction side of the discharge face.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: October 10, 2017
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Katsunori Nishida
  • Patent number: 9776414
    Abstract: A print pen capping apparatus for a printer comprises a cap station carrying one or more caps, wherein the cap station is moveable between a retracted position in which the cap station is arranged at a side of a print media path and a capping position adjacent the media path for capping the print pen.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: October 3, 2017
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Rafael Ulacia Portoles, David Soriano Fosas, Luis Garcia Garcia
  • Patent number: 9757953
    Abstract: A flow path opening/closing apparatus includes a lid member and a receptacle member fixed to the lid member. The receptacle member includes a first wall that defines an outflow opening that is open to the lid member and a second wall provided around the first wall. The lid member closes the outflow opening by contacting the first wall due to relative movement of the lid member with respect to the receptacle member. A surface that is one of surfaces of the first wall and that faces the lid member and a surface that is one of surfaces of the second wall and that faces the lid member are separate by a stepped portion.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: September 12, 2017
    Assignee: Seiko Epson Corporation
    Inventor: Yasuyuki Kudo
  • Patent number: 9751322
    Abstract: A waste ink recovery device (1) which is a fluid transport device has a tubing pump (40) configured to rotate around a shaft center by a motor, thereby transporting waste ink into a recovery container, flow passage members (30) for guiding the waste ink into the tubing pump (40), a flow passage selector (50), and a one-way clutch (70). The flow passage selector (50) has operating members (53) for opening and closing internal flow passages of the flow passage members (30), and an eccentric cam (54) configured to make the operating members (53) open and close the internal flow passages of the flow passage members (30).
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: September 5, 2017
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Akihiko Mizusaki
  • Patent number: 9731511
    Abstract: A printing apparatus includes ejection heads that eject a liquid onto a medium, a plurality of sub-units each including an ejection head row configured by a plurality of the ejection heads, and a plurality of maintenance sections that sequentially perform maintenance on the sub-units. For a head pitch that is a spacing between centers of the ejection head rows, a spacing between centers of mutually adjacent of the maintenance sections is an integer multiple of the product of the head pitch with the number of the ejection head rows provided to each of the sub-units.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: August 15, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Yoichi Kurogochi, Kentaro Tanabe
  • Patent number: 9724876
    Abstract: A method for assessment of operational performance of a 3D manufacturing apparatus is provided. Images are obtained, in real-time during a 3D polymer printing build process in which at least one structure is built by the 3D manufacturing apparatus, the images being of an area of a build platform on which the at least one structure is built. The obtained images are evaluating, and it is determined, based on the evaluating, whether an operational flaw with the 3D manufacturing apparatus has occurred. Operational flaws include errors in the operation of the 3D manufacturing apparatus and/or component thereof, as evidenced by, for instance, distortions or other errors in the structure(s) being built and/or materials being used.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: August 8, 2017
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Mark Allen Cheverton, Christopher Allen Nafis, Robert William Tait, Russell Ryder Dennison
  • Patent number: 9656471
    Abstract: A first part of liquid holders includes at least one liquid holder provided at the first casing. A second part of liquid holders includes at least one liquid holder provided at the second casing. Each of a plurality of flexible tubes has one end and another end. The one end is connected to the first part of the liquid holders. The other end is connected to the second part of the liquid holders. A first supporting section is provided at the first casing and supports the tubes. A second supporting section is provided at the second casing and supports the tubes. A third supporting section supports the tubes at a position between the first supporting section and the second supporting section in such a manner that the tubes are arranged in a direction parallel to a pivotal axis.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: May 23, 2017
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Shuichi Tamaki
  • Patent number: 9630430
    Abstract: A conveyor includes: a slide gear and a clutch gear including a first gear and a second gear. The clutch gear includes: a first surface and a second surface provided on one of the first and second gears and facing each other; and a contact member provided on the other of the first and second gears and located between the first surface and the second surface. A controller is configured to: control a motor in a state in which the slide gear and the first gear are in mesh with each other, to rotate the clutch gear to establish a state in which the contact member is not in contact with the first surface or the second surface; and control a sliding mechanism to slide the slide gear in the state in which the contact member is not in contact with the first surface or the second surface.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: April 25, 2017
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hirotaka Aoki, Kenji Samoto, Shohei Ichikawa
  • Patent number: 9604483
    Abstract: An inkjet printing apparatus for printing an image on an absorbent substrate includes a print head unit and a dust removal device. The absorbent substrate includes a print side and an opposite side and is conveyed between the print-head unit and the dust removal device. The print head unit defines a print zone on the print side. The dust removal device includes a pumping chamber formed of a pre-pumping sub-chamber, a print zone sub-chamber, and a post-pumping sub-chamber, said chambers being positioned at the opposite side. The pre-pumping sub-chamber is positioned substantially upstream from the print zone. The print zone sub-chamber is positioned substantially at the print zone. The post-pumping sub-chamber is positioned downstream from the print zone.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: March 28, 2017
    Assignee: SCA TISSUE FRANCE
    Inventors: Matti Ellonen, Yoann Denis, Donald Barredo, Damien Brendle
  • Patent number: 9561651
    Abstract: An element substrate including a base having a heat-generating resistor element which generates thermal energy used for discharging a liquid; an electrically conductive protective layer covering the heat-generating resistor element; an insulating layer provided between the heat-generating resistor element and the protective layer; and a potential applying unit for applying a potential to the protective layer such that a potential of the protective layer is lower than a potential at one end of the heat-generating resistor element and higher than a potential at the other end of the heat-generating resistor element with a voltage being applied between the one end and the other end of the heat-generating resistor element.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: February 7, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takuya Hatsui, Souta Takeuchi, Kenji Takahashi, Soichiro Nagamochi, Shinya Iwahashi