Patents by Inventor Yosuke Harai

Yosuke Harai 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).

  • Steel-sheet snaking preventing device and steel-sheet snaking preventing method for vertical looper
    Patent number: 9855590
    Abstract: A steel-sheet snaking preventing device for a vertical looper includes a jack mechanism provided at each of at least two corners of a looper carriage and coupled via a metal fitting to a chain or a wire rope that pulls the looper carriage; a tilt meter configured to detect the amount of tilt of the looper carriage; a level meter configured to detect a height of the looper carriage; and a means for receiving detection signals from the tilt meter and the level meter, determining the amount of tilt of the looper carriage at which the amount of snaking of a steel sheet becomes zero, sending the determined amount of tilt of the looper carriage as a command to the jack mechanism, and controlling the amount of tilt of the looper carriage by the jack mechanism.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: January 2, 2018
    Assignee: JFE Steel Corporation
    Inventors: Takashi Ogata, Kyosuke Kasahara, Yosuke Harai, Seishi Hatakeyama
  • STEEL-SHEET SNAKING PREVENTING DEVICE AND STEEL-SHEET SNAKING PREVENTING METHOD FOR VERTICAL LOOPER
    Publication number: 20150306649
    Abstract: A steel-sheet snaking preventing device for a vertical looper includes a jack mechanism provided at each of at least two corners of a looper carriage and coupled via a metal fitting to a chain or a wire rope that pulls the looper carriage; a tilt meter configured to detect the amount of tilt of the looper carriage; a level meter configured to detect a height of the looper carriage; and a means for receiving detection signals from the tilt meter and the level meter, determining the amount of tilt of the looper carriage at which the amount of snaking of a steel sheet becomes zero, sending the determined amount of tilt of the looper carriage as a command to the jack mechanism, and controlling the amount of tilt of the looper carriage by the jack mechanism.
    Type: Application
    Filed: September 4, 2013
    Publication date: October 29, 2015
    Inventors: Takashi Ogata, Kyosuke Kasahara, Yosuke Harai, Seishi Hatakeyama