Patents by Inventor Naoki SHIGEYAMA

Naoki SHIGEYAMA 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).

  • Patent number: 11890829
    Abstract: A cardboard box dividing device and a cardboard box production device are provided with: lower conveyors on which a plurality of connected cardboard box bodies are stacked and transported; a pressing device pressing the plurality of connected cardboard box bodies stacked on the lower conveyors from above; a cutting knife disposed along a width direction of the connected cardboard box bodies and dividing the plurality of connected cardboard box bodies stacked on the lower conveyors into a front part and a rear part; and a lifting/lowering device lifting and lowering the lower conveyors and the pressing device.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: February 6, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
    Inventors: Takanori Iwai, Naoki Shigeyama, Masakazu Ohira, Yasunari Suzuki
  • Patent number: 11541565
    Abstract: A cardboard box dividing device and a cardboard box production device include: lower conveyors on which a plurality of connected cardboard box bodies are stacked and transported; upper conveyors disposed so as to face the lower conveyors from above and supporting upper portions of the plurality of stacked connected cardboard box bodies; a pressing device pressing, from above, the plurality of connected cardboard box bodies stacked on the lower conveyors; a cutting knife disposed along a width direction of the connected cardboard box body and dividing the plurality of connected cardboard box bodies stacked on the lower conveyors into a front part and a rear part; and a lifting/lowering device relatively moving the cutting knife and the plurality of connected cardboard box bodies on the lower conveyors along an up-down direction.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: January 3, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
    Inventors: Takanori Iwai, Naoki Shigeyama, Masakazu Ohira, Yasunari Suzuki
  • Patent number: 11345108
    Abstract: A cardboard box dividing device includes lower conveyors on which a plurality of connected cardboard box bodies are stacked and transported; an upstream side positioning member and a downstream side positioning member movable along a transport direction and a thickness direction of each connected cardboard box body in upstream and downstream portions of the lower conveyors; a positioning drive device capable of independently moving the upstream side positioning member and the downstream side positioning member; a pressing device pressing, from above, the plurality of connected cardboard box bodies stacked on the lower conveyors; a cutting knife disposed along a width direction of the connected cardboard box body and dividing the plurality of connected cardboard box bodies stacked on the lower conveyors into a front part and a rear part; and a lifting/lowering device relatively moving the plurality of connected cardboard box bodies and the cutting knife along an up-down direction.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: May 31, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
    Inventors: Naoki Shigeyama, Takanori Iwai, Masakazu Ohira, Yasunari Suzuki
  • Patent number: 11130306
    Abstract: A cardboard box dividing device includes lower conveyors on which a plurality of connected cardboard box bodies are stacked and transported; a pressing device pressing, from above, the plurality of connected cardboard box bodies stacked on the lower conveyors; a cutting blade disposed along a width direction of the connected cardboard box body and dividing the plurality of connected cardboard box bodies stacked on the lower conveyors into a front part and a rear part; a lifting/lowering device relatively moving the plurality of connected cardboard box bodies on the lower conveyors and the cutting blade along an up-down direction; and a control device controlling the pressing device based on a lifting/lowering height of a loading upper conveyor at a time when a pressing reaction force at a time when the loading upper conveyor presses the plurality of stacked connected cardboard box bodies reaches a preset reference pressing reaction force.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: September 28, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
    Inventors: Naoki Shigeyama, Takanori Iwai, Masakazu Ohira, Yasunari Suzuki
  • Publication number: 20210069927
    Abstract: A cardboard box dividing device and a cardboard box production device include: lower conveyors on which a plurality of connected cardboard box bodies are stacked and transported; upper conveyors disposed so as to face the lower conveyors from above and supporting upper portions of the plurality of stacked connected cardboard box bodies; a pressing device pressing, from above, the plurality of connected cardboard box bodies stacked on the lower conveyors; a cutting knife disposed along a width direction of the connected cardboard box body and dividing the plurality of connected cardboard box bodies stacked on the lower conveyors into a front part and a rear part; and a lifting/lowering device relatively moving the cutting knife and the plurality of connected cardboard box bodies on the lower conveyors along an up-down direction.
    Type: Application
    Filed: December 14, 2018
    Publication date: March 11, 2021
    Inventors: Takanori IWAI, Naoki SHIGEYAMA, Masakazu OHIRA, Yasunari SUZUKI
  • Publication number: 20200398513
    Abstract: A cardboard box dividing device includes lower conveyors on which a plurality of connected cardboard box bodies are stacked and transported; a pressing device pressing, from above, the plurality of connected cardboard box bodies stacked on the lower conveyors; a cutting blade disposed along a width direction of the connected cardboard box body and dividing the plurality of connected cardboard box bodies stacked on the lower conveyors into a front part and a rear part; a lifting/lowering device relatively moving the plurality of connected cardboard box bodies on the lower conveyors and the cutting blade along an up-down direction; and a control device controlling the pressing device based on a lifting/lowering height of a loading upper conveyor at a time when a pressing reaction force at a time when the loading upper conveyor presses the plurality of stacked connected cardboard box bodies reaches a preset reference pressing reaction force.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 24, 2020
    Inventors: Naoki SHIGEYAMA, Takanori IWAI, Masakazu OHIRA, Yasunari SUZUKI
  • Publication number: 20200398514
    Abstract: A cardboard box dividing device and a cardboard box production device are provided with: lower conveyors on which a plurality of connected cardboard box bodies are stacked and transported; a pressing device pressing the plurality of connected cardboard box bodies stacked on the lower conveyors from above; a cutting knife disposed along a width direction of the connected cardboard box bodies and dividing the plurality of connected cardboard box bodies stacked on the lower conveyors into a front part and a rear part; and a lifting/lowering device lifting and lowering the lower conveyors and the pressing device.
    Type: Application
    Filed: December 15, 2017
    Publication date: December 24, 2020
    Inventors: Takanori IWAI, Naoki SHIGEYAMA, Masakazu OHIRA, Yasunari SUZUKI
  • Publication number: 20200391470
    Abstract: A cardboard box dividing device includes lower conveyors on which a plurality of connected cardboard box bodies are stacked and transported; an upstream side positioning member and a downstream side positioning member movable along a transport direction and a thickness direction of each connected cardboard box body in upstream and downstream portions of the lower conveyors; a positioning drive device capable of independently moving the upstream side positioning member and the downstream side positioning member; a pressing device pressing, from above, the plurality of connected cardboard box bodies stacked on the lower conveyors; a cutting knife disposed along a width direction of the connected cardboard box body and dividing the plurality of connected cardboard box bodies stacked on the lower conveyors into a front part and a rear part; and a lifting/lowering device relatively moving the plurality of connected cardboard box bodies and the cutting knife along an up-down direction.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 17, 2020
    Inventors: Naoki SHIGEYAMA, Takanori IWAI, Masakazu OHIRA, Yasunari SUZUKI