Patents by Inventor Tsutomu Asaina

Tsutomu Asaina 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).

  • Seam welding method and seam welding apparatus
    Patent number: 8431858
    Abstract: The seam welding apparatus welds a workpiece held by a robot while delivering the workpiece between a pair of electrode rolls. The seam welding apparatus includes a load cell mounted on the robot, for detecting a load imposed along a Y direction which is perpendicular to a pressing direction Z along which the electrode rolls press the workpiece at a weld point and a delivering direction X along which the robot delivers the workpiece at the weld point, a robot controller and an arithmetic unit, a turning mechanism for turning the electrode rolls about the pressing direction Z, and a control device for controlling the turning mechanism to operate depending on the magnitude of the load in the Y direction detected by the load cell.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: April 30, 2013
    Assignee: Honda Motor Co., Ltd.
    Inventors: Kohei Kanaya, Haruo Machida, Naoji Yamaoka, Tsutomu Asaina
  • SEAM WELDING METHOD AND SEAM WELDING APPARATUS
    Publication number: 20100170879
    Abstract: The seam welding apparatus welds a workpiece held by a robot while delivering the workpiece between a pair of electrode rolls. The seam welding apparatus includes a load cell mounted on the robot, for detecting a load imposed along a Y direction which is perpendicular to a pressing direction Z along which the electrode rolls press the workpiece at a weld point and a delivering direction X along which the robot delivers the workpiece at the weld point, a robot controller and an arithmetic unit, a turning mechanism for turning the electrode rolls about the pressing direction Z, and a control device for controlling the turning mechanism to operate depending on the magnitude of the load in the Y direction detected by the load cell.
    Type: Application
    Filed: December 3, 2009
    Publication date: July 8, 2010
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Kohei KANAYA, Haruo Machida, Naoji Yamaoka, Tsutomu Asaina