Patents Assigned to Dentalvarutjanst AB
  • Method in the manufacture of tartar removing dental instruments
    Patent number: 4617718
    Abstract: A method in the manufacture of tartar removing dental instruments of the type comprising a longitudinal tool portion having a triangular cross-section tapering towards the tip, at least two of the three edges along the lateral faces of the tool portion being ground into cutting edges (5, 6). A profiled blank (1) of a substantially constant triangular cross-section is being ground along one of the lateral faces (2) with the removal of stuff (3) increasing towards the tip (4).
    Type: Grant
    Filed: August 7, 1984
    Date of Patent: October 21, 1986
    Assignee: Dentalvarutjanst AB
    Inventor: Eilert Andersson