Patents by Inventor Masaru Kurisaki

Masaru Kurisaki 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: 7905432
    Abstract: An object of the invention is to provide a casting nozzle in which attachment and deposition of alumina or the like can be prevented while a drift of molten steel can be prevented. The casting nozzle according to the invention is characterized in that the casting nozzle has a molten steel flow hole portion in which “a plurality of independent protrusion portions and/or concave portions” are disposed so that each of the protrusion portions and/or concave portions has a size satisfying the expression (1): H?2 mm and the expression (2): L>2×H mm [in which “H” shows the maximum height of the protrusion portion or the maximum depth of the concave portion, and “L” shows the maximum length of a base portion of the protrusion portion or concave portion].
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: March 15, 2011
    Assignee: Shinagawa Refractories Co., Ltd.
    Inventors: Osamu Nomura, Masamichi Takai, Masaru Kurisaki, Hidetaka Ogino, Toshio Horiuchi, Shinsuke Inoue
  • Casting nozzle
    Publication number: 20060124776
    Abstract: An object of the invention is to provide a casting nozzle in which attachment and deposition of alumina or the like can be prevented while a drift of molten steel can be prevented. The casting nozzle according to the invention is characterized in that the casting nozzle has a molten steel flow hole portion in which “a plurality of independent protrusion portions and/or concave portions” are disposed so that each of the protrusion portions and/or concave portions has a size satisfying the expression (1): H?2 mm and the expression (2): L>2×H mm [in which “H” shows the maximum height of the protrusion portion or the maximum depth of the concave portion, and “L” shows the maximum length of a base portion of the protrusion portion or concave portion].
    Type: Application
    Filed: July 30, 2003
    Publication date: June 15, 2006
    Inventors: Osamu Nomura, Masamichi Takai, Masaru Kurisaki, Hidetaka Ogino, Toshio Horiuchi, Shinsuke Inoue