Patents by Inventor Toshiro Kagami

Toshiro Kagami 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).

  • Casting nozzle
    Patent number: 4510191
    Abstract: A casting nozzle for molten steel with improved spalling resistance and corrosion resistance is prepared by kneading a raw material consisting of 42 to 93% by weight of an alumina simple substance powder, 4 to 44% of a graphite simple substance powder and 10 to 27% by weight of a fused silica simple substance powder after adding a binder thereto, pelletizing the resultant mixture, pressing the pellets with a rubber press, and sintering the pressed nozzle at a low temperature within a range such that the resultant nozzle may have the characteristics attributable to the addition of alumina, graphite and fused silica.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 9, 1985
    Assignee: Toshiba Ceramics Co., Ltd.
    Inventors: Toshiro Kagami, Kuniaki Watanabe