Patents Assigned to Gefinex-Jackson GmbH
  • Extruder for plastics
    Patent number: 6074084
    Abstract: An extruder comprising several zones, including at least a plasticizing and mixing zone, a residence, mixing and cooling zone, and a mixing and cooling zone being constructed as planetary-roller extruders, the zones being substantially shut off from one another by blisters, and being connected to one another via melt pipes and intermediate pumps.
    Type: Grant
    Filed: April 21, 1998
    Date of Patent: June 13, 2000
    Assignee: Gefinex-Jackson GmbH
    Inventor: Klaus Dieter Kolossow