Patents Assigned to BASF Farben and Fasern AG
  • Apparatus for the manufacture of crimped filaments
    Patent number: 3950831
    Abstract: Apparatus for crimping filaments using turbulent heated fluids to which the filaments are exposed in two treatment chambers connected to one another. The first treatment chamber is constructed in two parts, the parting plane between the two parts is stepped and the filament guide means are intersected by the parting plane. The filaments are easy to introduce and the operating temperature need not be reduced in the event of any filament breaking.
    Type: Grant
    Filed: July 1, 1974
    Date of Patent: April 20, 1976
    Assignee: BASF Farben and Fasern AG
    Inventors: Wolfgang Bauer, Dieter Herion, Wolfgang Martin, Klaus Metzger