Patents by Inventor Yoshito Edamoto

Yoshito Edamoto 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 apparatus for blowing powdery treating agent
    Patent number: 4222553
    Abstract: A sliding nozzle apparatus for blowing powdery treating agent in a molten metal vessel, in which a sliding plate consisting of refractory materials is provided with one or more of tuyeres for blowing powdery treating agent, and an upper nozzle consists of a gas permeable ceramic material.
    Type: Grant
    Filed: October 25, 1978
    Date of Patent: September 16, 1980
    Inventor: Yoshito Edamoto
  • Temporary sealant of a nozzle opening of sliding nozzle
    Patent number: 4113501
    Abstract: A temporary sealant of a nozzle opening of sliding nozzle, which is in the form of either coarse particle or molding and which consists of 92.0 to 98.8% by weight of a non-porous refractory material having a particle size distribution of more than 95% of approximately particle diameter 2.0 - 0.8 mm, 1 to 5% by weight of a carbonaceous material having particle size of less than 0.15 mm, and 0.2 to 3.0% by weight of an organic tackifier.
    Type: Grant
    Filed: July 28, 1977
    Date of Patent: September 12, 1978
    Inventor: Yoshito Edamoto