Patents Assigned to Supfina Grieshaber GmbH
  • Device for microfinishing both sides of a workpiece
    Patent number: 5720652
    Abstract: In a device for microfinishing both sides of disklike workpieces with plane and/or spherical surface, two tool spindles with two tools are provided on two orbit spindles; the two tools engage the two face-end surfaces of the workpiece. The tool spindles revolve, spaced apart by a certain distance, around the axes of the two orbit spindles. In this way, excellent micrographs and excellent grinding results are attained.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: February 24, 1998
    Assignee: Supfina Grieshaber GmbH & Co.
    Inventors: Horst Steinwender, Georg Stratz
  • Super finishing machine
    Patent number: 5695391
    Abstract: In a microfinishing machine for machining cylindrical inner or outer faces of a work piece, a grinding belt is pressed against it with a flexible machining shell. This has the advantage that the shell can move radially in sections and as a result, the grinding belt can press in the shape of a circle against the work piece.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: December 9, 1997
    Assignee: Supfina Grieshaber GmbH & Co.
    Inventor: Horst Steinwender