Patents by Inventor Masuo Kawachi

Masuo Kawachi 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).

  • Shearing device for peripheral wall of tube
    Publication number: 20040255746
    Abstract: A shearing device including a retainer having a mountain-shaped inclined surface on its top and fixed in a standing posture, a plurality of side punches each having an operating surface on one side thereof. The side punches are arranged in a radial pattern with the respective operating surfaces directed outward and are placed in a standing posture on the inclined surface so as to be slidable. A cylindrical die is disposed to surround the side punches and has in its peripheral wall punch apertures facing the respective operating surfaces of the side punches. An actuator is provided for pushing the side punches and the die to simultaneously move downward.
    Type: Application
    Filed: June 17, 2004
    Publication date: December 23, 2004
    Applicants: CREATECH CO., LTD., MUSASHI SEIMITSU KOGYO KABUSHIKI KAISHA
    Inventors: Hitoshi Ishida, Masuo Kawachi