Patents Assigned to Machner & Saurer GmbH
  • Composite tool
    Patent number: 6861161
    Abstract: A composite tool comprising a supporting part of a metallic material having a first composition and a working part of a metallic material having a second composition which is different from the first composition, a process for the manufacture thereof and a method of cutting an austentic alloy article with this composite tool. The supporting part of the composite tool is made of a tenacious iron-based material, and the working part is made of a precipitation harden iron-cobalt-tungsten alloy. The parts are joined by a metallic connection.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: March 1, 2005
    Assignee: Machner & Saurer GmbH
    Inventors: Helmut Ponemayr, Karl Leban, Manfred Daxel Müller, Herbert Danninger