Patents Assigned to Rma Carl Freudenberg
  • Method for the simultaneous, continuous binding and coating of a nonwoven fabric
    Patent number: 4748044
    Abstract: A method is disclosed wherein a nonwoven fabric is synchronously coated with an adhesive composition and impregnated with a radiation cross-linkable binding agent under conditions that render the composition tacky and adherent but not penetrating and that cross-link the agent to at least in part bind the fibers of the fabric.
    Type: Grant
    Filed: December 15, 1981
    Date of Patent: May 31, 1988
    Assignee: Rma Carl Freudenberg
    Inventors: Walter Fottinger, Sepp Wagner, Bohuslav Tecl, Werner Enders