Patents by Inventor Lars-Erik Dahl

Lars-Erik Dahl 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).

  • Stamping press arrangement and method
    Patent number: 6751997
    Abstract: Stamping press arrangement, comprising an impact member (3), a supporting member (4) and a movably arranged cutting tool (5), the impact member (3) being arranged to perform at least one striking movement against the cutting tool (5) for cutting a blank (1) being held by the supporting member (4). The stamping press arrangement comprises a moulding tool (7) for moulding a segment (2) cut from said blank (1) and that the impact member (3) is arranged also to influence the moulding tool (7).
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: June 22, 2004
    Assignee: Hydropulsor AB
    Inventors: Olle Gustafsson, Lars-Erik Dahl