Patents Assigned to Emutech Co., Ltd.
  • Patent number: 6410438
    Abstract: Method and device for polishing an edge of a work is disclosed, wherein a rubber wheel 6 containing abrasives is rotated in a plane normal to a surface of a work 5 in a form of a thin plate having an edge 5a to be polished. A spindle portion 8 holding the rubber wheel such that the rubber wheel is driven to rotate in a plane normal to the surface of the work. A mount portion 4 for mounting the work 5 thereon such that the work 5 is movable straight with respect to the rubber wheel 6 in a plane normal to the plane in which the rubber wheel 6 is rotated. Elastic means 9 is provided to urge the spindle portion 8 and the work mounting portion 4 in a direction so as to bring the rubber wheel 6 and the edge 5a of the work 5 in contact with each other, wherein one of the spindle portion 8 and the mount portion 4 is movable toward and away from the other during polishing operation.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: June 25, 2002
    Assignee: Emutech Co., Ltd.
    Inventor: Haruo Ozaki
  • Patent number: 6248005
    Abstract: Method and device for polishing an edge of a work is disclosed, wherein a rubber wheel 6 containing abrasives is rotated in a plane normal to a surface of a work 5 in a form of a thin plate having an edge 5a to be polished. A spindle portion 8 holding the rubber wheel such that the rubber wheel is driven to rotate in a plane normal to the surface of the work. A mount portion 4 for mounting the work 5 thereon such that the work 5 is movable straight with respect to the rubber wheel 6 in a plane normal to the plane in which the rubber wheel 6 is rotated. Elastic means 9 is provided to urge the spindle portion 8 and the work mounting portion 4 in a direction so as to bring the rubber wheel 6 and the edge 5a of the work 5 in contact with each other, wherein one of the spindle portion 8 and the mount portion 4 is movable toward and away from the other during polishing operation.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: June 19, 2001
    Assignee: Emutech Co., Ltd.
    Inventor: Haruo Ozaki