Patents Assigned to Sintokogio, Ltd.
  • Patent number: 10668524
    Abstract: To provide a binder composition for molding, by which a mold made of aggregate has an excellent resistance to moisture. The binder composition for molding contains a water-soluble binder and at least one kind of lithium salt that is selected from a group of lithium silicate, lithium oxide, lithium hydroxide, lithium carbonate, lithium bromide, lithium chloride, lithium nitrate, and lithium nitrite.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: June 2, 2020
    Assignee: Sintokogio, Ltd.
    Inventors: Tomohiro Aoki, Yusuke Kato
  • Patent number: 10639709
    Abstract: [Problem to Be Solved] A pouring control method for controlling an automatic pouring device with a tilting-type ladle is provided. By the method, a lip of a pouring ladle approaches a sprue of a mold without striking any object located within the range of its movement. Also, by the method, the molten metal that runs out of the ladle can accurately fill the mold.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: May 5, 2020
    Assignees: Sintokogio, Ltd., National University Corporation Toyohashi University of Technology
    Inventors: Makio Suzuki, Kazuhiko Terashima, Atsushi Ito, Yoshiyuki Noda
  • Patent number: 10610898
    Abstract: To provide a surface property inspection sorting apparatus, system, and method capable of efficiently performing steps to evaluate the surface properties of spring-shaped members. A surface property inspection and sorting apparatus 1 includes a surface property inspection device, a measuring member for measuring the surface properties of the spring-shaped members M, and a sorting means for sorting the spring-shaped members into good and bad parts. The measuring member is constituted so that spring-shaped members can pass through an inspection detector, and the surface properties of the spring-shaped member can be evaluated and a pass/fail judgment made by a surface property inspection device based on output signals output from an AC bridge circuit while the spring-shaped member passes through the inspection detector.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: April 7, 2020
    Assignee: SINTOKOGIO, LTD.
    Inventor: Yoshiyasu Makino
  • Publication number: 20200101524
    Abstract: A method and an apparatus for effectively reusing the green sand that would otherwise overflow the line for molding to be disposed of, even though it is fully usable, are provided. The method for reusing green sand comprising the steps of treating the green sand with ultrasonic waves in water; separating a mixture that is obtained by the step of treating the green sand with ultrasonic waves to form a suspension and to form residual particles of the sand; circulating the suspension to then proceed to the step of treating the green sand with ultrasonic waves so that the suspension is concentrated; storing the concentrated suspension; and feeding the stored suspension to green sand by a predetermined amount when green sand is mulled.
    Type: Application
    Filed: January 29, 2018
    Publication date: April 2, 2020
    Applicant: Sintokogio, Ltd.
    Inventors: Hiroyasu MAKINO, Kunihiro HASHIMOTO, Junichi IWASAKI
  • Patent number: 10578663
    Abstract: An inspection device comprises a stage for placing a device under test thereon, a dynamic characteristics test probe, a static characteristics test probe, and a control device configured to perform positional control by moving at least one of the stage, the dynamic characteristics test probe, and the static characteristics test probe. The control device performs the positional control such that the dynamic characteristics test probe is set to a dynamic characteristics test state in which the dynamic characteristics test probe is brought into contact with the electrode when the dynamic characteristics test is performed, and performs the positional control such that the static characteristics test probe is set to a static characteristics test state in which the static characteristics test probe is brought into contact with the electrode while the dynamic characteristics test probe is separated from the electrode when the static characteristics test is performed.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: March 3, 2020
    Assignee: SINTOKOGIO, LTD.
    Inventors: Yoichi Sakamoto, Takayuki Hamada, Nobuyuki Takita
  • Publication number: 20200061696
    Abstract: A flaskless molding machine includes: an upper flask; a lower flask; an upper sand tank; an upper plate attached to a lower end of the upper sand tank; a first lower sand tank; a second lower sand tank storing mold sand supplied from the first lower sand tank; a lower plate attached to an upper end of the second lower sand tank, with at least one supply port being formed, the supply port allowing the second lower sand tank to communicate with an inside of the lower flask; at least one pressure detector detecting a pressure of at least one tank among the upper sand tank, the first lower sand tank and the second lower sand tank; and a control unit connected to the pressure detector and obtaining a detection result of the at least one pressure detector.
    Type: Application
    Filed: April 26, 2018
    Publication date: February 27, 2020
    Applicant: SINTOKOGIO, LTD.
    Inventors: Tokiya TERABE, Koichi SAKAGUCHI, Yutaka HADANO
  • Publication number: 20200055164
    Abstract: A surface treatment processing method includes: a shot processing step of performing shot processing of shooting shot media at a treatment target; a first inspection step of nondestructively inspecting at least one of a surface side state and an external dimension of the treatment target subjected to the shot processing, evaluating that the treatment target is passed when an inspection result is within a first normal range set in advance, evaluating that the treatment target is failed when the inspection result is out of a first allowable range set in advance to include the first normal range, and evaluating that the treatment target is to be additionally processed when the inspection result is out of the first normal range but within the first allowable range; and an additional processing step of performing the shot processing again on the treatment target which is evaluated to be additionally processed.
    Type: Application
    Filed: April 13, 2018
    Publication date: February 20, 2020
    Applicant: SINTOKOGIO, LTD.
    Inventors: Kyoichi IWATA, Takuya KOYAMA, Yuji KOBAYASHI, Akinori MATSUI
  • Patent number: 10549343
    Abstract: A system and a method for automatically transporting molten metal are provided to produce a cast product with stable qualities. The system (1) for transporting molten metal from a furnace (F) to a pouring machine (100) comprises a ladle (10) for reaction, a device (50) for feeding an alloyed metal, a ladle (60) for pouring, a bogie (20) for receiving molten metal, and a bogie (70) for transporting the ladle for pouring, and a pouring machine (100). The bogie for receiving molten metal has a controller for it. The bogie for receiving molten metal has a controller for it. At least two of the controllers among the controller for the pouring machine, the controller for the device for feeding an alloyed metal, the controller for the bogie for receiving molten metal, and the controller for the bogie for transporting the ladle for pouring, are linked for the data communication.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: February 4, 2020
    Assignees: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi Nishida, Masanori Hoshino
  • Patent number: 10537937
    Abstract: A pouring machine is provided to constantly maintain the level of the surface of melt without a leak, or the like, to maintain a necessary and sufficient pouring rate. The pouring machine (1) that pours molten metal from a container into molds in a line comprises a bogie (10) that travels along the molds; a mechanism (20) for moving the container back and forth that moves the container perpendicularly to the direction that the bogie travels; a mechanism (40) for tilting the container that tilts the container; a weight detector (50) that detects the weight of molten metal in the container; a surface-of-melt detector (60) that detects the level at a pouring cup (110) of a mold (100); and a controller (70) that controls the angle of the tilt of the container by using the detected level and the detected weight.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: January 21, 2020
    Assignees: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi Nishida, Toshiyuki Hyodo, Koichi Banno
  • Publication number: 20200009647
    Abstract: To provide a system for producing steel castings that is simple and suitable to continuously produce many small steel castings. A system 1 comprises multiple furnaces 10 that are aligned and hold molten metal for cast steel, a pouring machine 20 that has a ladle 30 that receives the molten metal from the furnaces, wherein the pouring machine travels in parallel to a line of the furnaces and pours the molten metal into a mold 70 by tilting the ladle, a line 60 for conveying the molds that intermittently conveys molds that are aligned in parallel to a direction in which the pouring machine travels, wherein the line is located on the opposite side of the furnaces across the pouring machine, and a temperature sensor 38 that measures a temperature of the molten metal so as to generate an alarm if the temperature is low.
    Type: Application
    Filed: June 26, 2019
    Publication date: January 9, 2020
    Applicants: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi NISHIDA, Hiroyuki TAMOTSU, Toshiyuki HYODO
  • Publication number: 20200000961
    Abstract: A manufacturing method is a method of manufacturing a composite material molded article containing acicular hydroxyapatite. This manufacturing method comprises: a preparation step of mixing at least a calcium phosphate compound including ?-tricalcium phosphate, a calcium compound containing no phosphorus, cellulose nanofibers, and an aqueous solvent consisting of water and/or a hydrophilic solvent to obtain a mixture; a molding step of forming a molded article by using the mixture; a drying step of drying the molded article; and a synthesis step of performing synthesis treatment of the molded article after drying.
    Type: Application
    Filed: February 21, 2018
    Publication date: January 2, 2020
    Applicant: SINTOKOGIO, LTD.
    Inventors: Norihiro ASANO, Chikara OHTSUKI
  • Patent number: 10520455
    Abstract: An apparatus includes an X-ray generating source; a first detecting element adapted to detect intensity of diffracted X-rays of the measuring object at a first detecting position; a second detecting element adapted to detect intensity of the diffracted X-rays of the measuring object at a second detecting position; a moving mechanism adapted to move each of the first detecting element and the second detecting element along a straight line extending in a direction orthogonal to a direction of incidence of the X-rays; a movement control unit adapted to control respective detecting positions of the first detecting element and the second detecting element by driving the moving mechanism; and a stress calculation unit adapted to calculate residual stress of the measuring object based on intensity peaks of the diffracted X-rays detected, respectively, by the first detecting element and the second detecting element each moved by the moving mechanism.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: December 31, 2019
    Assignee: SINTOKOGIO, LTD.
    Inventors: Yuji Kobayashi, Akinori Matsui
  • Publication number: 20190389035
    Abstract: An object is to enable accurate machining by enabling shots to be accurately blasted on a workpiece even while workpiece is being deformed. A part manufacturing system includes: a peening device including a nozzle that projects a plurality of shots toward a workpiece, and a sensor that detects a distance to the workpiece; and a machining robot including a hand to which the peening device is attached, and a control unit that adjusts a position or an orientation of the peening device by controlling the hand based on the distance detected by the sensor.
    Type: Application
    Filed: February 14, 2018
    Publication date: December 26, 2019
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., SINTOKOGIO, LTD.
    Inventors: Takashi Kozaki, Kosuke Akanuma, Hideaki Kaga, Kyoichi Iwata, Seiya Ikeda
  • Patent number: 10512968
    Abstract: A method for managing a casting process based on measured properties of molding sand is provided so that casting defects or energy used can be reduced by changing the molding conditions for the mold to be produced or changing the steps after molding. The method for managing a casting process based on the properties of the molding sand includes a step (1) of measuring the properties of the molding sand just before the molding sand is supplied to a molding machine (40) and a step (2) of determining if the measured properties of the molding sand comply with predetermined properties so as to then switch between a step of molding a mold when the measured properties do comply with the predetermined properties and a step of molding a mold when the measured properties do not comply with the predetermined properties.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: December 24, 2019
    Assignee: SINTOKOGIO, LTD.
    Inventors: Yuichi Ogura, Tsuyoshi Sakai, Hisashi Harada
  • Publication number: 20190366428
    Abstract: [Problem] To provide a marking method and a marking device for a casting that are, even when foreign matter is adhered to a casting to be marked, capable of making an effective and appropriate mark on the casting. [Solution] Detect foreign matter on an outer surface of a casting 100, set marking locations 118, 120-1, 120-2, and make a mark on the marking locations 118, 120-1, 120-2.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 5, 2019
    Applicant: SINTOKOGIO, LTD.
    Inventors: Douta SATO, Takehiro SUGINO
  • Publication number: 20190358697
    Abstract: A water supply and kneading system for green sand, including: a weighing hopper that stores green sand that has been weighed; a kneading machine that kneads the green sand and water; a sand loading means for releasing the green sand in the weighing hopper into the kneading machine, or shutting off the release; a water supply device that supplies water to the green sand in the kneading machine; a moisture sensor that includes a pair of electrodes and measures the moisture content of the green sand stored in the weighing hopper by measuring an electric potential difference between the electrodes; and a kneading control device that controls the amount of water supplied by the water supply device and controls the sand loading means on the basis of the output of the moisture sensor.
    Type: Application
    Filed: November 16, 2017
    Publication date: November 28, 2019
    Applicant: SINTOKOGIO, LTD.
    Inventors: Yuichi OGURA, Hisashi HARADA
  • Patent number: 10486340
    Abstract: A device for turning over molds is provided that can reduce the wear of turning over wheels and supporting rollers even when the speed for transporting a flask or the speed for turning it over increases. A pair of turning over wheels (5) are attached to respective sides of a turning over roller conveyor (4), on which a metal flask (3) is mounted. The outer surfaces of the wheels are supported by respective pairs of supporting rollers (6). A driving roller (9) is provided on one or both of the wheels. The supporting rollers are flangeless. Two pairs of side rollers (10) abut the side surfaces of the wheels so as to prevent them from moving in the direction in which the flask is transported. The side rollers are preferably configured so that their surfaces that contact the wheels are formed as arcs.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: November 26, 2019
    Assignee: SINTOKOGIO, LTD.
    Inventor: Yasushi Ono
  • Publication number: 20190353701
    Abstract: A test system configured to perform an electrical-characteristic test on a device under test, includes: a mount on which the device under test is to be mounted; a conveyance mechanism configured to convey the mount; a test head including a measurement circuit for performing the electrical-characteristic test; a probe configured to connect an electrode of the device under test to the measurement circuit; a lifting and lowering mechanism configured to move the mount along a first direction such that the electrode and the probe are in contact or spaced apart; and an alignment mechanism provided at the test head, the alignment mechanism being configured to move the probe on a plane crossing the first direction so as to align the probe with the electrode on the plane.
    Type: Application
    Filed: December 19, 2017
    Publication date: November 21, 2019
    Applicant: SINTOKOGIO, LTD.
    Inventors: Takayuki HAMADA, Yoichi SAKAMOTO
  • Patent number: 10471568
    Abstract: A shot processing apparatus according to an aspect includes: a projector; a set table configured to support the workpiece from below and be rotatable about an axis; a retaining mechanism including a retainer opposed to the set table with the workpiece interposed, the retainer being configured to be rotatable about the axis and movable in a direction of the axis; a rotational force driver configured to apply rotational force to the retainer through a transmission mechanism; and a lifting mechanism including a pressing holder capable of being lifted and lowered above the retaining mechanism, the lifting mechanism being at a distance from the retaining mechanism when the pressing holder is located above a reference height, the lifting mechanism applying pressing force to the workpiece through the retainer when the pressing holder is located below the reference height.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: November 12, 2019
    Assignee: SINTOKOGIO, LTD.
    Inventors: Takeshi Sugiura, Tadanobu Oyama
  • Patent number: D885519
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: May 26, 2020
    Assignee: SINTOKOGIO, LTD.
    Inventors: Takashi Suzuki, Hiroyuki Amano, Masanori Uchida, Koh Saito