Patents by Inventor Tamiya Yoshino

Tamiya Yoshino 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: 6062495
    Abstract: The present invention relates to a high pressure, rapid cutting tip nozzle which provides a cutting oxygen jet hole 2b in the front end surface, and provides concentrically from the inside, with this cutting oxygen jet hole 2b as the center, a first oxygen jet hole group 7a, a first fuel gas jet hole group 8c, a second fuel gas jet hole group 8a, and an oxygen jet opening 9a, and wherein steel is cut by the high pressure gas flow jetting from the cutting oxygen jet hole 2b, and in particular is characterized in the front end of flow paths 9b and 9c, which branch from the flow path 9 leading to the oxygen jet opening 9a, opening on the side surface of flow paths 8 and 8b, which lead to the first and second fuel gas jet hole group 8c and 8a, at a point within 10 mm from said front end surface. According to the present invention, gas cutting of steel can be carried out with high efficiency and safely.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: May 16, 2000
    Assignee: Nippon Speng Co., Ltd.
    Inventors: Bunnosuke Ushioda, Tamiya Yoshino