Patents Assigned to Arnold Maschinenfabrik GmbH & Co.
  • Method for beam welding of hardenable steels by means of short-time heat treatment
    Patent number: 6365866
    Abstract: The invention concerns a method for beam welding of hardenable steels using a short-time heat treatment. A preferred area of application of the invention is motor vehicle and mechanical engineering. In the method according to the invention, the short-time heat treatment occurs first as the sole preheating in a defined manner, and then the beam welding begins after a defined cooling time, at the latest.
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: April 2, 2002
    Assignees: Fraunhofer-Gesellschaft zur Föderung der angewandten Forschung e.V., Arnold Maschinenfabrik GmbH & Co.
    Inventors: Berndt Brenner, Rüdiger Arnold Gnann, Dietmar Naunapper, Carsten Duschek