Patents by Inventor Ulrike HERRLICH

Ulrike HERRLICH has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Volume nonwoven fabric
    Patent number: 10876234
    Abstract: A method for producing a volume nonwoven fabric includes the steps of: (a) providing a nonwoven fabric raw material, containing fiber balls and binder fibers; (b) providing an air-laying device, which has at least two spiked rollers between which a gap is formed; (c) processing the nonwoven fabric raw material in the device in an air-laying method, the nonwoven fabric raw material passing through the gap between the spiked rollers, fibers or fiber bundles being pulled from the fiber balls by the spikes; (d) laying on a laying apparatus; and (e) thermally bonding so as to obtain the volume nonwoven fabric.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: December 29, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Ulrike Herrlich, Gunter Scharfenberger, Thomas Sattler, Peter Grynaeus
  • VOLUME NONWOVEN FABRIC
    Publication number: 20180230630
    Abstract: A method for producing a volume nonwoven fabric includes the steps of: (a) providing a nonwoven fabric raw material, containing fiber balls and binder fibers; (b) providing an air-laying device, which has at least two spiked rollers between which a gap is formed; (c) processing the nonwoven fabric raw material in the device in an air-laying method, the nonwoven fabric raw material passing through the gap between the spiked rollers, fibers or fiber bundles being pulled from the fiber balls by the spikes; (d) laying on a laying apparatus; and (e) thermally bonding so as to obtain the volume nonwoven fabric.
    Type: Application
    Filed: August 11, 2016
    Publication date: August 16, 2018
    Inventors: Ulrike HERRLICH, Gunter SCHARFENBERGER, Thomas SATTLER, Peter GRYNAEUS