Patents by Inventor Kazunori Sakurai

Kazunori Sakurai 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).

  • Sliding nozzle device
    Patent number: 5062554
    Abstract: A sliding nozzle device comprises a metallic case having an opening in the center thereof, a refractory plate secured to the metallic case and having a discharge hole formed in the center thereof for discharging molten metal, a metallic hoop located around the refractory plate, an immersion nozzle projected from the opening of the metallic case and attached to the refractory plate, projecting plates located around the refractory plate, and bolts and nuts used for securing the projecting plates to the metallic case.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: November 5, 1991
    Assignee: Toshiba Ceramics Co., Ltd.
    Inventors: Hiroshi Sakai, Masamichi Asai, Kenzo Hayashi, Kazunori Sakurai, Kazuhiko Watanabe