Patents by Inventor Naoki KAMACHI

Naoki KAMACHI 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).

  • Side sealing device, twin-roll continuous casting apparatus, and method of manufacturing cast strip
    Patent number: 11192174
    Abstract: A side sealing device for a twin-roll continuous casting apparatus, which supplies molten metal to a molten metal pool portion formed by a pair of rotating mold rolls and a pair of side weirs through an immersion nozzle and causes solidified shells to be formed and to grow on peripheral surfaces of the mold rolls to manufacture a cast strip, seals end surface sides of the mold rolls by each side weir. The side sealing device includes a side weir pressing unit that presses the side weir against end surfaces of the mold rolls, and a side weir lifter that pulls the side weir at least upward in a vertical direction.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: December 7, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Masafumi Miyazaki, Takashi Arai, Kazuya Maruyama, Shuji Wakida, Naoki Kamachi, Masanobu Hayama
  • SIDE SEALING DEVICE, TWIN-ROLL CONTINUOUS CASTING APPARATUS, AND METHOD OF MANUFACTURING CAST STRIP
    Publication number: 20200338632
    Abstract: A side sealing device for a twin-roll continuous casting apparatus, which supplies molten metal to a molten metal pool portion formed by a pair of rotating mold rolls and a pair of side weirs through an immersion nozzle and causes solidified shells to be formed and to grow on peripheral surfaces of the mold rolls to manufacture a cast strip, seals end surface sides of the mold rolls by each side weir. The side sealing device includes a side weir pressing unit that presses the side weir against end surfaces of the mold rolls, and a side weir lifter that pulls the side weir at least upward in a vertical direction.
    Type: Application
    Filed: May 8, 2018
    Publication date: October 29, 2020
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Masafumi MIYAZAKI, Takashi ARAI, Kazuya MARUYAMA, Shuji WAKIDA, Naoki KAMACHI, Masanobu HAYAMA