Patents Assigned to Shinagana Refractories Co. Ltd.
  • Patent number: 4157621
    Abstract: A method for preventing installed dolomite refractory and magnesia-dolomite refractory from slaking by feeding a dry air into a converter or the like after it was installed with said dolomite refractory and said magnesia-dolomite refractory, circulating the dry air in and through the converter while always maintaining the interior of the converter or the like under positive pressure.
    Type: Grant
    Filed: October 27, 1977
    Date of Patent: June 12, 1979
    Assignees: Shinagana Refractories Co. Ltd., Sumito Metal Industries, Ltd.
    Inventors: Sadame Asano, Masahiro Hayase, Hiromasa Tabuchi, Masao Takagi, Koichi Kasai, Koei Hoshino, Suejiro Fukuya, Hiroaki Hirahara