Patents by Inventor Fusao Dejima

Fusao Dejima 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).

  • Water cooled scrap preheating bucket
    Patent number: 4690638
    Abstract: A bucket cooled by circulating water and scrap preheating apparatus incorporating the bucket are disclosed. The bucket comprises a bucket-shaped container which contains scrap to be preheated and through which an exhaust gas from an electric furnace is passed to preheat the scrap contained therein, a cooling water passageway which surrounds the periphery of said container, and water supply and exhaust ports which are connected to said cooling water passageway, cooling water being supplied to and exhausted from the bucket during preheating of the scrap contained therein.
    Type: Grant
    Filed: August 1, 1986
    Date of Patent: September 1, 1987
    Assignee: Yamaguchikyoei Industry Co. Ltd.
    Inventors: Fumio Nakagawa, Kazuyoshi Nakamura, Hitoshi Shibao, Hiroshi Yoshimura, Koichi Taki, Makoto Inoue, Eiji Hayashi, Fusao Dejima, Yuritoshi Kohara