Patents by Inventor Gensuke Muta

Gensuke Muta 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).

  • Patent number: 4390166
    Abstract: The present invention relates to a hot-gunning method for repairing converters which comprises the step of:gunning a composition onto the lining of the converter, the composition including,(a) 8-15% by weight water;(b) 20-40% by weight of pellets prepared by mixing 40-60% by weight of magnesia clinker powder containing more than 75% by weight of MgO and having a particle size of less than 1 mm with 60-40% by weight of molten tar and dropping the resulting mixture into water or cooled air; and(c) the substantial balance of said composition being a refractory material selected from the group consisting of magnesia clinker, dolomite clinker, chrome ore and mixtures thereof.
    Type: Grant
    Filed: September 19, 1980
    Date of Patent: June 28, 1983
    Assignees: Shinagawa Refractories Co., Ltd., Sumitomo Metal Industries Co., Ltd.
    Inventors: Hiroyuki Danjo, Kazuaki Takimoto, Gensuke Muta, Nobuyoshi Hiroki