Patents by Inventor Tadashi Nishida

Tadashi Nishida has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240009729
    Abstract: A system for determining a set temperature of molten metal in a pouring facility includes a temperature sensor configured to detect a molten metal temperature at a nozzle tip of a ladle during pouring processing, and a control unit configured to acquire temperature transition obtained by plotting the molten metal temperature for each mold in each of the pouring processing, wherein the control unit determines the upper limit temperature to cause a percentage of the number of optimum temperature transitions included in a plurality of acquired temperature transitions in the number of the plurality of acquired temperature transitions to become a predetermined percentage, and determines a temperature obtained by adding a drop temperature that is a temperature dropped during conveyance processing and the determined upper limit temperature, as the set temperature.
    Type: Application
    Filed: June 28, 2023
    Publication date: January 11, 2024
    Applicants: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Tadashi NISHIDA, Toshiyuki HYODO, Masanori HOSHINO
  • Publication number: 20230398603
    Abstract: A pouring facility includes a mold conveying device configured to convey a mold, a molten-metal discharging container configured to store waste molten metal, and a pouring machine movable on a conveyance path located between the mold conveying device and the molten-metal discharging container, the pouring machine being configured to tilt a ladle in a first direction to pour molten metal into the mold conveyed by the mold conveying device, and tilt the ladle in a second direction opposite to the first direction to discharge waste molten metal into the molten-metal discharging container.
    Type: Application
    Filed: June 5, 2023
    Publication date: December 14, 2023
    Applicants: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Tadashi NISHIDA, Masanori HOSHINO, Toshiyuki HYODO
  • Patent number: 11724309
    Abstract: Casting facility includes a pouring machine for pouring molten metal in a ladle into a mold molded by a molding machine and conveyed to a pouring site, and the pouring machine includes a plan acquisition unit configured to acquire a planned temperature range of the molten metal for the mold, a temperature sensor configured to detect a temperature of a pouring flow during pouring of the molten metal into the mold, and a temperature determination unit configured to determine whether or not the temperature of the pouring flow is within the planned temperature range, and the pouring machine stops the pouring of the molten metal into the mold when it is determined that the temperature of the pouring flow is not within the planned temperature range.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: August 15, 2023
    Assignees: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Tadashi Nishida, Toshiyuki Hyodo, Masanori Hoshino
  • Patent number: 11717885
    Abstract: A casting facility control system includes: a database storing conveyance positions and mold information in association with each other; an update section updating the mold information associated with each conveyance position stored in the database; a measurement section measuring a weight of molten metal in a ladle transported to a pouring machine; a calculation section calculating the number of flasks by which the molten metal poured from the ladle can be held; a decision section recognizing, based on the number of flasks by which the poured molten metal can be held, a plurality of molds into which the molten metal to be next transported to the pouring machine is poured, adding up the planned weight of molten metal corresponding to each of the recognized molds, and determining a predicted weight of molten metal to be next transported to the pouring machine; and an output section outputting the predicted weight.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: August 8, 2023
    Assignees: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Tadashi Nishida, Toshiyuki Hyodo, Masanori Hoshino
  • Publication number: 20230068601
    Abstract: Casting facility includes a pouring machine for pouring molten metal in a ladle into a mold molded by a molding machine and conveyed to a pouring site, and the pouring machine includes a plan acquisition unit configured to acquire a planned temperature range of the molten metal for the mold, a temperature sensor configured to detect a temperature of a pouring flow during pouring of the molten metal into the mold, and a temperature determination unit configured to determine whether or not the temperature of the pouring flow is within the planned temperature range, and the pouring machine stops the pouring of the molten metal into the mold when it is determined that the temperature of the pouring flow is not within the planned temperature range.
    Type: Application
    Filed: August 22, 2022
    Publication date: March 2, 2023
    Applicants: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Tadashi NISHIDA, Toshiyuki HYODO, Masanori HOSHINO
  • Publication number: 20230067654
    Abstract: A casting method includes pouring a molten metal in a ladle into a mold, analyzing at least one of a composition and a physical property of a test piece generated based on the molten metal sampled from inside the ladle, and performing appearance inspection of a casting product taken out from the mold, wherein in the performing appearance inspection, the at least one of the composition and the physical property of the test piece obtained in the analyzing is displayed on a display.
    Type: Application
    Filed: August 23, 2022
    Publication date: March 2, 2023
    Applicants: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Umihiko SUZUKI, Tadashi NISHIDA, Toshiyuki HYODO, Masanori HOSHINO
  • Publication number: 20230062786
    Abstract: A casting facility control system includes: a database storing conveyance positions and mold information in association with each other; an update section updating the mold information associated with each conveyance position stored in the database; a measurement section measuring a weight of molten metal in a ladle transported to a pouring machine; a calculation section calculating the number of flasks by which the molten metal poured from the ladle can be held; a decision section recognizing, based on the number of flasks by which the poured molten metal can be held, a plurality of molds into which the molten metal to be next transported to the pouring machine is poured, adding up the planned weight of molten metal corresponding to each of the recognized molds, and determining a predicted weight of molten metal to be next transported to the pouring machine; and an output section outputting the predicted weight.
    Type: Application
    Filed: August 23, 2022
    Publication date: March 2, 2023
    Applicants: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Tadashi NISHIDA, Toshiyuki HYODO, Masanori HOSHINO
  • 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: 11097339
    Abstract: A casting plant to produce a cast product with a high quality and a method for managing data for molding the mold and data on the conditions of the molten metal in the casting plant are provided. The controller (11) for the molding unit issues a serial number for the mold to a mold (M). The controller (31) for the unit for conveying the molds shifts the serial number for the mold in accordance with a movement of the mold. It also gathers data on the mold and links the data for molding the mold with the serial number for the mold. When the molten metal is poured from the ladle into the mold, the controller (71) for the unit for pouring the molten metal sends to the computer (91) for controlling the casting plant the serial number for the ladle that is linked with the data on the conditions of the molten metal and that is linked with the serial number for the mold.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: August 24, 2021
    Assignees: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi Nishida, Toshiyuki Hyodo, Koichi Kato, Kazuhiro Ota
  • Publication number: 20210213522
    Abstract: A management system includes: an acquisition unit acquiring melting information pertaining to original molten metal, for each of melting furnaces; a first assignment unit assigning a ladle serial number to a ladle receiving the original molten metal; a melting management unit associating a furnace number, the number of tappings from the one melting furnace, and the melting information on the one melting furnace with each other, and storing associated items; a ladle management unit associating the ladle serial number, the furnace number, and the number of tappings with each other, and storing associated items in a storage medium; and a pouring management unit associating an identifier of the mold with the ladle serial number, in response to the pouring device pouring the molten metal in the conveyed ladle into the mold, and storing associated items in the storage medium.
    Type: Application
    Filed: April 26, 2019
    Publication date: July 15, 2021
    Applicants: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Tadashi NISHIDA, Toshiyuki HYODO, Masanori HOSHINO
  • Publication number: 20210187606
    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: Application
    Filed: December 21, 2020
    Publication date: June 24, 2021
    Applicants: SINTOKOGIO, LTD., Fujiwa Denki Co., Ltd.
    Inventors: Tadashi NISHIDA, Masanori HOSHINO, Toshiyuki HYODO
  • Patent number: 10875089
    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: Grant
    Filed: June 26, 2019
    Date of Patent: December 29, 2020
    Assignees: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi Nishida, Hiroyuki Tamotsu, Toshiyuki Hyodo
  • Patent number: 10751794
    Abstract: A pouring apparatus comprises a ladle configured to include a body and a nozzle, and a controller configured to control a tilt angle of the ladle, wherein the body includes a side face portion, an inner surface of the side face portion is formed in a cylindrical shape or in a conical shape, the nozzle includes a nozzle tip for guiding molten metal to the outside and is integrated with the body on a side of the body, in order to guide the molten metal in the body to the nozzle tip and to pour out the molten metal through the nozzle tip, and the controller controls the tilt angle on the basis of a surface area of the molten metal when the ladle is tilted.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: August 25, 2020
    Assignees: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi Nishida, Toshiyuki Hyodo, Koichi Banno
  • 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: 20190247917
    Abstract: A casting plant to produce a cast product with a high quality and a method for managing data for molding the mold and data on the conditions of the molten metal in the casting plant are provided. The controller (11) for the molding unit issues a serial number for the mold to a mold (M). The controller (31) for the unit for conveying the molds shifts the serial number for the mold in accordance with a movement of the mold. It also gathers data on the mold and links the data for molding the mold with the serial number for the mold. When the molten metal is poured from the ladle into the mold, the controller (71) for the unit for pouring the molten metal sends to the computer (91) for controlling the casting plant the serial number for the ladle that is linked with the data on the conditions of the molten metal and that is linked with the serial number for the mold.
    Type: Application
    Filed: November 16, 2015
    Publication date: August 15, 2019
    Applicants: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi NISHIDA, Toshiyuki HYODO, Koichi KATO, Kazuhiro OTA
  • Patent number: 10279392
    Abstract: A ladle transport car includes a car truck body provided with a wheel, a mounting table arranged on the car truck body, a ladle movement mechanism arranged on the mounting table, on which a ladle is mounted and moved in a horizontal direction, and a ladle turning mechanism arranged between the car truck body and the mounting table and turning the ladle by turning the mounting table in a horizontal plane.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: May 7, 2019
    Assignees: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi Nishida, Masanori Hoshino
  • Patent number: 10272489
    Abstract: A carriage for receiving molten metal with a mechanism for moving a ladle up and down and a method for transporting molten metal to safely move a ladle for receiving a molten metal up and down and transport it. The carriage (10) for receiving molten metal to transport the ladle that receives molten metal from a furnace (C) comprises a carriage (20) for travelling on a route (L), guiding columns (30) that are placed on the carriage (20), a frame (40) that horizontally extends from the guiding columns and moves up and down above the carriage (20), a mechanism (50) for moving the ladle, which mechanism is placed on the frame (40) and horizontally moves the ladle, and the driver (60) for moving the frame up and down.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: April 30, 2019
    Assignees: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi Nishida, Masanori Hoshino
  • Publication number: 20190091763
    Abstract: To provide a carriage for receiving molten metal with a mechanism for moving a ladle up and down and a method for transporting molten metal to safely move a ladle for receiving a molten metal up and down and transport it. The carriage (10) for receiving molten metal to transport the ladle that receives molten metal from a furnace (C) comprises a carriage (20) for travelling on a route (L), guiding columns (30) that are placed on the carriage (20), a frame (40) that horizontally extends from the guiding columns and moves up and down above the carriage (20), a mechanism (50) for moving the ladle, which mechanism is placed on the frame (40) and horizontally moves the ladle, and the driver (60) for moving the frame up and down.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 28, 2019
    Applicants: SINTOKOGIO, LTD., FUJIWA DENKI CO., LTD.
    Inventors: Tadashi NISHIDA, Masanori HOSHINO