Patents Assigned to Spinnstofffabrik Zehlendorf AG
  • Wear disks for crimping machines
    Patent number: 5105513
    Abstract: A wear disk for a crimping machine used in the manufacture of synthetic fibers comprises a sinter material of metal and carbon having an apparent density of from 4 to 7 g/cm.sup.3. The metal of the sinter material is particularly copper or an alloy thereof and therefore highly heat conductive.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: April 21, 1992
    Assignee: Spinnstofffabrik Zehlendorf AG
    Inventors: Gunter Marx, Josef Bach, Jurgen Lorenz