Patents by Inventor Takuro Mitsunaga

Takuro Mitsunaga 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 and apparatus for machining the side edge surface of a web plate
    Patent number: 4799836
    Abstract: A side edge surface of a web plate is trimmed by or machined after feeding a milling cutter into the side edge surface of the web plate, which cutter has on its outer peripheral surface cutting edges at a predetermined angle with respect to its rotary axis, and driving the milling cutter in rotation. The rotary axis of the milling cutter is a plane which is kept parallel to a desired machined surface of the side edge surface of the web plate, and the angle formed between the cutting edge of the milling cutter and the side edge surface of the web plate is limited to within 55 degrees to 125 degrees.
    Type: Grant
    Filed: June 25, 1987
    Date of Patent: January 24, 1989
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Shingo Kurisu, Shunji Omori, Hiroyuki Takenaka, Tsuneo Egawa, Takuro Mitsunaga, Nobuo Kiyama
  • Method and apparatus for machining the side edge surface of a web plate
    Patent number: 4733998
    Abstract: A side edge surface of a web plate is trimmed or machined after by feeding a milling cutter into the side edge surface of the web plate, which cutter has on its outer peripheral surface cutting edges at a predetermined angle with respect to its rotary axis, and driving the milling cutter in rotation. The rotary axis of the milling cutter is inclined in a plane which is kept parallel to a desired machined surface of the side edge surface of the web plate, and the angle formed between the cutting edge of the milling cutter and the side edge surface of the web plate is limited to within 55 degrees to 125 degrees.
    Type: Grant
    Filed: August 22, 1984
    Date of Patent: March 29, 1988
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Shingo Kurisu, Shunji Omori, Hiroyuki Takenaka, Tsuneo Egawa, Takuro Mitsunaga, Nobuo Kiyama