Patents by Inventor Lonka B{overscore (u)}rgel

Lonka B{overscore (u)}rgel 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).

  • Method and apparatus for forming blanks
    Patent number: 6308545
    Abstract: For shaping small radii in edge and corner regions of preformed workpieces or blanks, the invention provides for a postforming of exclusively said edge and corner regions by high liquid pressure. For performing the method an apparatus has a die part (forming insert) with expansion spaces constructed in its edge and corner regions.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: October 30, 2001
    Assignee: Kuka Werkzeugbau Schwarzenberg GmbH
    Inventors: Lonka B{overscore (u)}rgel, Frank Schieck