Patents Assigned to Sintokogio, Ltd.
  • Publication number: 20220207684
    Abstract: The purpose of the present invention is to improve accuracy in inspection of an appearance of a mold. The inspection device includes at least one processor for performing an inspection step of inspecting an appearance of a mold using a learned model constructed by machine learning. Input into the learned model includes an inspection image obtained by imaging the appearance of the mold. Output from the learned model is information indicating an inspection result of the appearance of the mold.
    Type: Application
    Filed: November 4, 2021
    Publication date: June 30, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventors: Takehiro SUGINO, Takeshi SONOHARA
  • Publication number: 20220207700
    Abstract: An aspect of the present invention provides a mold information management device, a casting system, and a mold information management method each of which makes it possible to reduce a rate of occurrence of defective casting products due to unreadable identification marks, as compared to a conventional rate of the occurrence. A mold information management device includes at least one processor, the processor carrying out: a determination process for determining whether an identification mark is good or not, on the basis of image data or profile data obtained by capturing an image of or scanning a surface of a mold on which the identification mark is engraved; and an associating process for associating the identification mark with information on at least one of history and properties of the mold, in a case where the identification mark has been determined to be good in the determination process.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 30, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventors: Yasuaki ASAOKA, Kazunori OGURA, Takehiro SUGINO
  • Patent number: 11373348
    Abstract: Provided is a display apparatus that is capable of displaying a relationship between sand properties measured as time series. The display apparatus displays (i) a relationship between pieces of measured first sand property data and pieces of measured second sand property data, obtained in a first predetermined period, together with first and second reference ranges set for the first and second sand properties and (ii) a relationship between pieces of measured third sand property data and pieces of measured fourth sand property data, obtained in a second predetermined period, together with third and fourth reference ranges set for the third and fourth sand properties.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: June 28, 2022
    Assignee: SINTOKOGIO, LTD.
    Inventors: Kazuhiro Ota, Yuichi Ogura, Takeshi Sonohara
  • Patent number: 11370085
    Abstract: A shot treatment apparatus and a shot treatment method applicable to the mass production of a wide range of products. A shot treatment apparatus, comprising: a spinning table which has a first rotary shaft and which holds and rotates a workpiece; an ejection apparatus that ejects a shot media from a nozzle to the workpiece; a cabinet having a treatment chamber formed therein; and a control apparatus comprising a first control unit that controls the ejection apparatus, the nozzle being held so as to be positionable and three-dimensionally swingable with respect to the workpiece.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: June 28, 2022
    Assignee: SINTOKOGIO, LTD.
    Inventors: Akihiro Asai, Motoaki Ishiguro, Shuichi Kamori
  • Publication number: 20220194855
    Abstract: The invention relates to a composition for forming a casting mold, the composition containing heat-resistant inorganic particles; a waterglass-based binder; a surfactant; a silicon-containing compound; activated carbon powder and grain; and water; and the silicon-containing compound contains at least one of metal silicon and ferrosilicon.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 23, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventors: Kazuyuki NISHIKAWA, Masanori TOMIOKA, Yusuke KATO, Tetsuji MATSUI, Tomohiro AOKI
  • Patent number: 11364537
    Abstract: Providing a method for reducing occurrences of a mold shift of a cope and a drag that have been molded by a flaskless molding machine and have been assembled by estimating a cause of a mold shift based on measurements and by taking appropriate measures, and a flaskless molding line that uses the method. The method for reducing occurrences of a mold shift of a cope and a drag (1, 2) that have been molded by a flaskless molding machine (200) and have been assembled comprises a step of measuring specific data at positions where a mold shift may occur during a process for manufacturing or taking out the cope and the drag, and a step of determining if the obtained specific data are within an allowable range.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: June 21, 2022
    Assignee: SINTOKOGIO, LTD.
    Inventors: Takashi Hanai, Takehiro Sugino
  • Publication number: 20220172666
    Abstract: A control section according to an embodiment of the present invention is configured to: set, as a first temperature, a temperature obtained from a thermal image at a first position contained in a first infrared image corresponding to a surrounding environment in the thermal image, and set, as a second temperature, a temperature obtained from the thermal image at a second position contained in a second infrared image corresponding to a duct or the like in the thermal image; calculate an upper limit and a lower limit of a temperature range by using the first temperature and the second temperature; and control a display section to display the thermal image such that temperature distribution on the subject is represented by colors within the temperature range having the upper limit and the lower limit that have been calculated.
    Type: Application
    Filed: November 23, 2021
    Publication date: June 2, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventors: Koki Maeda, Takashi Suzuki
  • Publication number: 20220169504
    Abstract: A device for producing a tetrahydroborate, the device including a reaction chamber inside which a hydrogen plasma is generated, a sample stage which is provided in the reaction chamber and on which a borate is placed, and a hydrogen ion shielding member which is provided to cover at least some of the borate to be placed.
    Type: Application
    Filed: November 15, 2019
    Publication date: June 2, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventor: Masahiko NAGASAKA
  • Patent number: 11344995
    Abstract: A shot processing device according to an aspect includes: a guide portion provided in a conveyance direction of a workpiece; a rotation mechanism which includes a first endless belt providing a placement surface having the workpiece placed thereon and a first drive unit driving the first endless belt so that the placement surface moves in a direction opposite to the conveyance direction; a conveyance mechanism which pushes the workpiece toward the conveyance direction so that the workpiece on the placement surface rolls and moves in the conveyance direction along the guide portion; and at least one projector which projects shot media to the workpiece rolling and moving on the placement surface.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: May 31, 2022
    Assignee: SINTOKOGIO, LTD.
    Inventor: Masato Matsumoto
  • Publication number: 20220163483
    Abstract: An embodiment identifies a cause of change in magnetic permeability of an object under inspection and evaluates the state of surface treatment(s) of the object under inspection with high accuracy. An embodiment of the method includes preparing a non-destructive inspection apparatus; placing the object under inspection; generating eddy current in the object under inspection; continuously changing the penetration depth of an AC magnetic field in the object under inspection; calculating the value of impedance at each penetration depth in the object under inspection; and evaluating the state of the surface treatment(s) by: calculating the ratio between the value of impedance at each penetration depth in the object under inspection and the value of impedance at a corresponding penetration depth in steel which has not been subjected to a surface treatment; and identifying a cause of a change in magnetic permeability of the object under inspection based upon the calculated ratio.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 26, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventor: Yoshiyasu MAKINO
  • Patent number: 11331720
    Abstract: The pouring apparatus includes: a ladle including a nozzle and configured to store molten metal; a tilting mechanism configured to tilt the ladle so that a tapping position from the nozzle of the ladle is maintained at a constant position; and a radiation thermometer including a sensor head configured to output a signal related to a temperature at a measurement position and an amplifier configured to process the signal output by the sensor head, wherein the sensor head is disposed so that the measurement position is at the tapping position, and outputs a signal related to a temperature of molten metal in a molten metal flow at the tapping position.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: May 17, 2022
    Assignees: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Tadashi Nishida, Masanori Hoshino, Toshiyuki Hyodo
  • Patent number: 11331771
    Abstract: An apparatus and a method for treating a surface to definitely, and with a high quality, finish an object to be processed, are obtained. In the step of a first check, the numbers of objects (W) that are carried into areas (20A, 42A, 74A) where the steps of pre-cleaning, shot peening, and post-cleaning, are carried out, are counted and the conditions of the surfaces of the objects are detected. In the step of a second check, the numbers of objects (W) that are carried out of the areas are counted and the conditions of the surfaces of the objects are detected.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: May 17, 2022
    Assignee: Sintokogio, Ltd.
    Inventor: Ryota Imura
  • Publication number: 20220147037
    Abstract: To achieve the object of making it easier to collectively grasp the state of the production line, an information processing method includes a first screen displaying step and a second screen displaying step. A first screen displaying step displays a first screen including a plurality of widgets. Each of the widgets is configured based on information outputted from application software which is associated with each of the widgets among a plurality of pieces of application software that manage a state of a production line. A second screen displaying step, when an operation performed on any widget of the plurality of widgets has been accepted, displays a second screen of application software which is associated with the widget.
    Type: Application
    Filed: November 4, 2021
    Publication date: May 12, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventors: Narihiro AKATSUKA, Yoshitsugu TANAKA, Naohisa NAKAMURA
  • Publication number: 20220143777
    Abstract: A barrel polishing apparatus according to an aspect includes a fixed tank and a rotary disk that define a polishing space. The fixed tank has a predetermined axis as a center axis. The fixed tank includes a cylindrical rigid body and a first lining covering an inner circumferential surface of the cylindrical rigid body. The rotary disk has a disk-shaped rigid body and a second lining covering a surface of the disk-shaped rigid body on the polishing space side, and is rotatably disposed in a state where a gap is formed between the first lining and the second lining. The disk-shaped rigid body has a convex portion protruding toward the polishing space along a predetermined axis direction. The length in the predetermined axis direction of the part overlapping the gap of the convex portion is one-third or more of the length in the predetermined axis direction of the gap.
    Type: Application
    Filed: March 11, 2020
    Publication date: May 12, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventor: Hitoshi NISHIJIMA
  • Publication number: 20220134557
    Abstract: In order to attain the object to enable a teacher to easily carry out teaching with enhanced safety of the teacher who is to teach an action to a robot, a robot includes a force sensor, an arm part, and an end effector fixed to the arm part via the force sensor. A control device includes one or more processors that execute a moving process for causing the end effector to move and a generation process for generating, with reference to a detection value from the force sensor, teaching information corresponding to a travel route of the end effector.
    Type: Application
    Filed: October 25, 2021
    Publication date: May 5, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventors: Yoshikane TANAAMI, Koji ITO
  • Publication number: 20220118462
    Abstract: A separation device that separates a mixture of magnetic bodies that are granular and non-magnetic bodies that is granular into the magnetic bodies and the non-magnetic bodies. The separation device includes a magnetic force separating mechanism, a wind force generation portion, a first wind force separating portion, and a second wind force separating portion. The magnetic force separating mechanism separates the mixture into first separated objects and second separated objects by attracting the magnetic bodies from the mixture of magnetic force. The first separated objects mainly contain the magnetic and non-magnetic bodies. The second separated objects mainly contain the non-magnetic bodies and magnetic bodies. The wind force generation portion generates wind force. The first wind force separates the first separated objects into the magnetic and non-magnetic bodies of wind force. The second wind force separates the second separated objects into the non-magnetic bodies and magnetic bodies of wind force.
    Type: Application
    Filed: September 13, 2021
    Publication date: April 21, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventors: Yusuke IBI, Hiroaki SUZUKI
  • Publication number: 20220118584
    Abstract: Provided is an automatic polishing system that is capable of adjusting a degree of polishing in accordance with a condition of a surface of a body of a mobile object. The automatic polishing system includes: a multi-articulated robot; a polishing machine including a spindle that spins around an axis and a polishing tool that is fixed at an end of the spindle; a sensor which is provided between the multi-articulated robot and the polishing machine and which detects normal reaction (z-axis component Fz) that acts from a polish target surface to the polishing machine and moment (z-axis component Mz) that acts around the axis of the spindle; and a control unit which controls the multi-articulated robot based on the normal reaction (z-axis component Fz) and the moment (z-axis component Mz).
    Type: Application
    Filed: October 6, 2021
    Publication date: April 21, 2022
    Applicant: SINTOKOGIO, LTD.
    Inventors: Yoshikane TANAAMI, Koji ITO, Miyuki HAYASHI
  • Patent number: 11305342
    Abstract: A casting apparatus according to the present disclosure includes an upper frame, a lower frame, a main link member, a sub-link member and a lifting/lowering mechanism. The upper mold is attached to the upper frame. The lower frame is disposed in parallel with the upper frame. The lower mold is attached to the lower frame. A top end part of the main link member is rotatably connected to the upper frame and a bottom end part thereof is rotatably connected to the lower frame. The sub-link member is disposed in parallel with the main link member, the top end part thereof is rotatably connected to the upper frame and the bottom end part thereof is rotatably connected to the lower frame. The lifting/lowering mechanism causes the sub-link member to lift or lower with respect to the main link member.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: April 19, 2022
    Assignee: SINTOKOGIO, LTD.
    Inventor: Tsukasa Ogyu
  • Patent number: 11305341
    Abstract: A mold shake-out system to suppress the effects of an excessive or insufficient water sprinkling amount in mold shake-out that separates a mold, into which castings have been poured, into castings and molding sand, the mold shake-out system including: a shake-out device that separates the castings and a mold into the castings and the molding sand; a water sprinkling portion that sprinkles water in the shake-out device; and a control device that controls the water sprinkling amount in the water sprinkling portion; the control device adjusting the water sprinkling amount on the basis of molding/pouring data including molding data regarding the mold into which castings have been poured and which is loaded into the shake-out device, pouring data regarding molten metal that forms the castings, and time data from when the molten metal is poured into the mold until when the mold is loaded into the shake-out device.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: April 19, 2022
    Assignee: SINTOKOGIO, LTD.
    Inventors: Yasuaki Asaoka, Hisashi Harada
  • Patent number: 11298832
    Abstract: [Problem] To provide a main mold and core setting device and a main mold and core setting method which enable core setting work, hitherto implemented by a core setting operator using subtle hand sensation, to be completely reproduced by automation.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: April 12, 2022
    Assignee: SINTOKOGIO, LTD.
    Inventors: Masahiko Nagasaka, Hiroyasu Makino, Takumi Kobayashi, Koji Ito