Patents by Inventor Tadao Ozeki

Tadao Ozeki 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 increasing casting width for a slab during a continuous casting operation
    Patent number: 4522251
    Abstract: The width of a slab can be easily increased during a continuous casting operation by a simple method, wherein casting of a molten steel is temporarily stopped during the continuous casting operation, the narrow side of a casting mold is moved to a predetermined width, corresponding to the increased width to be of the slab, to form a space between the narrow side of the mold and the solidified shell of a slab, a closing member having a width 1-5 mm smaller than the increased width of the slab, and a cooling and sealing material are inserted into the space to form a clearance of 1-5 mm between the closing member and the narrow side of the mold, and the casting of the molten steel is again started.
    Type: Grant
    Filed: January 17, 1983
    Date of Patent: June 11, 1985
    Assignee: Kawasaki Steel Corporation
    Inventors: Takao Koshikawa, Tsunehiro Ueda, Tadao Ozeki