Patents Assigned to Taiho Industrial Co., Ltd.
  • Patent number: 4642138
    Abstract: In a method of preventing deposition of sludge and of removing deposited sludge, liquid spray devices installed at predetermined positions in a tank are driven by a pressure of a liquid sprayed therefrom, the liquid sprayed from the spray devices is sprayed at a predetermined speed in the tank, and the flow of the liquid removes sludge deposited in the tank.
    Type: Grant
    Filed: March 1, 1985
    Date of Patent: February 10, 1987
    Assignees: Kashima Engineering Co., Ltd., Taiho Industrial Co., Ltd.
    Inventors: Hiroyasu Koyase, Kinsaku Funaki, Atsuo Morita