Patents Assigned to Sternplastic Hellstern GmbH & Co. KG
  • Ceramic blade
    Patent number: 6151786
    Abstract: Ceramic blade (1) of a cutting tool, in particular a knife, with a cutting edge (10) and a rounded off upper edge (12) running opposite to the cutting edge (10). The rounded off upper edge (12) makes possible, in comparison to the conventional sharp-edged transitions, a substantial increase in the break resistance in the case of bending forces.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: November 28, 2000
    Assignee: Sternplastic Hellstern GmbH & Co. KG
    Inventor: Peter Hellstern