Patents by Inventor Atsuo Onoue

Atsuo Onoue 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: 4759632
    Abstract: A method and apparatus for producing a slurry for underwater placement. The slurry is prepared by a mixer and the mixed slurry is then agitated by an agitator. Before underwater placement of the slurry, bubbles in the slurry is reduced. The apparatus includes a supplying device for supplying a hydraulic material and water in a predetermined ratio; a mixing device for mixing the hydraulic material and the water supplied from the supplying device to produce a slurry; an agitating device for receiving the slurry from the mixing device and for agitating the slurry; and a deaerating device for receiving the agitated slurry from the agitating device and for deaerating the agitated slurry.
    Type: Grant
    Filed: February 25, 1986
    Date of Patent: July 26, 1988
    Assignee: Shimizu Construction Co., Ltd.
    Inventors: Sumio Horiuchi, Katsuyuki Tamaoki, Atsuo Onoue, Shigeru Goto, Toru Kawai