Patents by Inventor Rudolf Buettner

Rudolf Buettner 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).

  • Patent number: 4940039
    Abstract: A cutting tool comprising a disk, on the periphery of which are mounted cutting segments. The cutting elements have grooves which extend over the entire height of each cutting segment and have channels discharging chip material in peripheral direction. The latter are in particular meander-shaped, zigzag-shaped or wave-shaped, with the cutting-segment surfaces being opposite one another conformingly parallel in such a manner that a full cross-sectional overlapping is assured in an axial direction. Side channels and/or V-channels can follow a center channel in order to also permit a lateral material discharge.
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: July 10, 1990
    Inventor: Rudolf Buettner