Patents by Inventor Nobuo Kusakabe

Nobuo Kusakabe 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).

  • Method for recycling-processing of dust generated in converter furnace, and method for manufacturing steel
    Patent number: 10155998
    Abstract: A method for recycling processing of dust generated in a converter furnace, includes: crushing and drying a cake formed by adding a binder to a slurry containing iron powder-containing dust that is generated at the time of converter blowing and wet-collected to produce a mixed slurry and subjecting the produced mixed slurry to a dehydration treatment in a filter press; accumulating the cake in an accumulation tank; and charging the cake into a converter furnace 10, the crushed product in the accumulation tank 25 is kept at a temperature of less than 90° C. by forcibly passing air into the accumulation tank 25 and charged into a converter furnace according to the converter operation.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: December 18, 2018
    Assignee: ASTEC IRIE CO., LTD.
    Inventors: Kosuke Yamashita, Nobuo Kusakabe, Saburou Satou, Gouta Kawamura, Hiromichi Takesue
  • Apparatus and method for feeding sintering raw mix
    Patent number: 4871393
    Abstract: In an apparatus for feeding a sintering raw mix, a plurality of bars downwardly sloped in a falling direction of the sintering raw mix onto a pallet of a sintering apparatus is provided so that the falling direction of the raw mix is opposite to the advancing direction of the pallet, a screen is formed by rotatably supporting the bars, and the upper ends of the bars are connected to a rotating drive(s).
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: October 3, 1989
    Assignee: Nippon Steel Corporation
    Inventors: Masami Fujimoto, Tadahiro Inazumi, Katsuhiko Satoh, Eiichi Shimozawa, Yasuhiko Awa, Fumihiro Sato, Kenro Nozaki, Akira Gushima, Yosinobu Suemura, Nobuo Kusakabe, Kunihiro Imada, Masatoshi Arichi, Mitsunori Tanaka, Yoshinori Umezu, Tsuneo Ikeda
  • Apparatus and method for feeding sintering raw mix
    Patent number: RE33935
    Abstract: In an apparatus for feeding a sintering raw mix, a plurality of bars downwardly sloped in a falling direction of the sintering raw mix onto a pallet of a sintering apparatus is provided so that the falling direction of the raw mix is opposite to the advancing direction of the pallet, a screen is formed by rotatably supporting the bars, and the upper ends of the bars are connected to a rotating drive(s).
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: May 26, 1992
    Inventors: Masami Fujimoto, Tadahiro Inazumi, Katsuhiko Satoh, Eiichi Shimozawa, Yasuhiko Awa, Fumihiro Sato, Kenro Nozaki, Akira Gushima, Yosinobu Suemura, Nobuo Kusakabe, Kunihiro Imada, Masatoshi Arichi, Mitsunori Tanaka, Yoshinori Umezu, Tsuneo Ikeda