Patents by Inventor Setsuo Imada

Setsuo Imada 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).

  • Method of rotational molding reinforcer-incorporated plastics
    Patent number: 3981955
    Abstract: A method for preparing reinforcer-incorporated plastic molded articles by rotational molding which includes moving a reinforcer and a binder of an amount smaller than the amount of reinforcer along the inner wall of a rotary mold to thereby form in advance a layer of reinforcer which is fixed on the inner side of the mold and having a large number of fine voids, feeding a liquid matrix into the rotary mold and impregnating the liquid matrix into the layer of reinforcer, and solidifying the matrix impregnated in the reinforcer in the rotary mold.
    Type: Grant
    Filed: October 23, 1973
    Date of Patent: September 21, 1976
    Assignee: Kobe Steel Ltd.
    Inventors: Yasuhiko Otani, Setsuo Imada