Patents by Inventor Kuniyoshi OONISHI

Kuniyoshi OONISHI 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).

  • Outer cylinder screen washing apparatus of screw press
    Patent number: 12083452
    Abstract: A washing pipe is mounted on a washing guide provided on an outer side of an outer cylinder screen of the screw press and includes a washing pipe body and washing nozzles provided in the washing pipe body and configured to discharge washing liquid flowing from an inside of the washing pipe body toward the outer cylinder screen. A washing pipe swing supporter is configured to support the washing guide to allow the washing pipe to swing between a discharge position and a separation position. The discharge position is a position where the washing pipe is mounted on the washing guide and the washing liquid is discharged from the washing nozzles toward the outer cylinder screen. The separation position is a position where the washing nozzles are farther away from the outer cylinder screen than in a state where the washing pipe is positioned at the discharge position.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: September 10, 2024
    Assignee: ISHIGAKI COMPANY LIMITED
    Inventors: Atsushi Kondo, Kuniyoshi Oonishi, Yuuichi Ishizaki, Hideki Fujisawa, Yasufumi Azuma, Atsumi Kitayama, Takuho Kimura, Nobuo Honda
  • OUTER CYLINDER SCREEN WASHING APPARATUS OF SCREW PRESS
    Publication number: 20230097066
    Abstract: A washing pipe is mounted on a washing guide provided on an outer side of an outer cylinder screen of the screw press and includes a washing pipe body and washing nozzles provided in the washing pipe body and configured to discharge washing liquid flowing from an inside of the washing pipe body toward the outer cylinder screen. A washing pipe swing supporter is configured to support the washing guide to allow the washing pipe to swing between a discharge position and a separation position. The discharge position is a position where the washing pipe is mounted on the washing guide and the washing liquid is discharged from the washing nozzles toward the outer cylinder screen. The separation position is a position where the washing nozzles are farther away from the outer cylinder screen than in a state where the washing pipe is positioned at the discharge position.
    Type: Application
    Filed: July 28, 2022
    Publication date: March 30, 2023
    Applicant: ISHIGAKI COMPANY LIMITED
    Inventors: Atsushi KONDO, Kuniyoshi OONISHI, Yuuichi ISHIZAKI, Hideki FUJISAWA, Yasufumi AZUMA, Atsumi KITAYAMA, Takuho KIMURA, Nobuo HONDA