Patents by Inventor Shuhei Dobara

Shuhei Dobara 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).

  • Lining method and lining
    Patent number: 11834839
    Abstract: A lining method includes fixing a backing strip in a frame shape to a concrete surface of already-placed concrete so that the backing strip protrudes from the concrete surface; disposing a filler inside a frame of the backing strip; making edges of a plurality of lining plates butt against each other at a position of the backing strip to cover the backing strip and the concrete surface; and joining the edges of the lining plates by seal welding.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: December 5, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takao Ito, Hayao Kurono, Shuhei Dobara
  • Pit gate, pit equipment, nuclear power facility, and pit gate installation method
    Patent number: 11594341
    Abstract: A pit gate includes a gate body which is inserted between a pool portion storing water and a canal portion connected to the pool portion and is configured to change a flow state of the water, and a seal portion (6) which is accommodated in a groove-shaped accommodation recess formed in the gate body and seals between the pool portion and the gate body. The seal portion (6) includes a low-rigidity portion (10) which is relatively easily deformed by a load according to a water pressure from the pool portion side, and a high-rigidity portion (11) which is provided on the pool portion side of the low-rigidity portion and is not easily deformed relatively by the load.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: February 28, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiromu Okamoto, Hisanori Watanabe, Hidetaka Kafuku, Shunsuke Tanaka, Hiroki Mitsui, Yasuharu Suda, Takao Ito, Hayao Kurono, Shuhei Dobara, Takumi Hori
  • LINING METHOD AND LINING
    Publication number: 20210257117
    Abstract: A lining method includes fixing a backing strip in a frame shape to a concrete surface of already-placed concrete so that the backing strip protrudes from the concrete surface; disposing a filler inside a frame of the backing strip; making edges of a plurality of lining plates butt against each other at a position of the backing strip to cover the backing strip and the concrete surface; and joining the edges of the lining plates by seal welding.
    Type: Application
    Filed: February 25, 2019
    Publication date: August 19, 2021
    Applicant: Mitsubisi Hravy Indstries, Ltd.
    Inventors: Takao ITO, Hayao KURONO, Shuhei DOBARA
  • PIT GATE, PIT EQUIPMENT, NUCLEAR POWER FACILITY, AND PIT GATE INSTALLATION METHOD
    Publication number: 20210158979
    Abstract: A pit gate includes a gate body which is inserted between a pool portion storing water and a canal portion connected to the pool portion and is configured to change a flow state of the water, and a seal portion (6) which is accommodated in a groove-shaped accommodation recess formed in the gate body and seals between the pool portion and the gate body. The seal portion (6) includes a low-rigidity portion (10) which is relatively easily deformed by a load according to a water pressure from the pool portion side, and a high-rigidity portion (11) which is provided on the pool portion side of the low-rigidity portion and is not easily deformed relatively by the load.
    Type: Application
    Filed: September 21, 2018
    Publication date: May 27, 2021
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiromu Okamoto, Hisanori Watanabe, Hidetaka Kafuku, Shunsuke Tanaka, Hiroki Mitsui, Yasuharu Suda, Takao Ito, Hayao Kurono, Shuhei Dobara, Takumi Hori