Patents Assigned to Ishii Syogi, Ltd.
  • Operational control method for cylindrical crusher
    Patent number: 4723716
    Abstract: An operational control method for a cylindrical crusher in which furnace slag is supplied to the cylindrical crusher through supply means and said furnace slag is crushed to obtain a furnace slag product, wherein particle size distribution and iron content ratio of a furnace slag product are detected and variable control of a supplying amount from the supply means and/or revolution speed of a cylindrical crusher is carried out within a predetermined range.
    Type: Grant
    Filed: September 17, 1986
    Date of Patent: February 9, 1988
    Assignees: Kawasaki Jukogyo Kabushiki Kaisha, Ishii Syogi, Ltd.
    Inventors: Tatsuo Hagiwara, Keiji Imai, Kyoichi Yahagi, Shigenori Nagaoka