Patents by Inventor Tatsuya Kuwana

Tatsuya Kuwana 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).

  • Device for preventing winding-up of sheet metal in continuous hot-dipping bath
    Patent number: 8156890
    Abstract: A system for prevention of stirred up dross in continuous hot-dip plating bath of a metal sheet characterized by placing flow regulating members partially separated from each other under a sink roll at the two side wall surfaces of a hot-dip plating bath which axial ends of the sink roll face so that said members contact the wall surfaces and thereby suppressing the flow of hot dip metal ascending or descending along the wall surfaces.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: April 17, 2012
    Assignee: Nippon Steel Corporation
    Inventors: Tatsuya Kuwana, Hirohisa Kawamura, Hiroyuki Tanaka, Tsuyoshi Tominaga
  • DEVICE FOR PREVENTING WINDING-UP OF SHEET METAL IN CONTINUOUS HOT-DIPPING BATH
    Publication number: 20090183674
    Abstract: A system for prevention of stirred up dross in continuous hot-dip plating bath of a metal sheet characterized by placing flow regulating members partially separated from each other under a sink roll at the two side wall surfaces of a hot-dip plating bath which axial ends of the sink roll face so that said members contact the wall surfaces and thereby suppressing the flow of hot dip metal ascending or descending along the wall surfaces.
    Type: Application
    Filed: May 25, 2007
    Publication date: July 23, 2009
    Inventors: Tatsuya Kuwana, Hirohisa Kawamura, Hiroyuki Tanaka, Tsuyoshi Tominaga