Patents by Inventor Matthias HOLLSTEGGE

Matthias HOLLSTEGGE 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).

  • Method for manufacturing a multilayer PVC semifinished product and a corresponding apparatus
    Patent number: 11951511
    Abstract: A method for manufacturing of a multilayer PVC semi-finished product, in particular a multilayer PVC synthetic leather or a multilayer PVC foam sheet, the method comprising the steps of: a. Coating a coated or uncoated carrier web with a PVC plastisol, whereby a carrier web coated with an ungelled plastisol layer is obtained; thereafter b. Gelling the ungelled plastisol layer, whereby a carrier web coated with a gelled plastisol layer is obtained; and thereafter c. Cooling the carrier web coated with the gelled plastisol layer; characterized in that the coating comprises coating the carrier web with at least two PVC plastisols one above the other, simultaneously or in immediate succession. A corresponding apparatus is further described.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: April 9, 2024
    Assignee: OLBRICH GmbH
    Inventors: Dirk Robeling, Andre Josten, Frans Te Welscher, Matthias Hollstegge
  • METHOD FOR MANUFACTURING A MULTILAYER PVC SEMIFINISHED PRODUCT AND A CORRESPONDING APPARATUS
    Publication number: 20220388034
    Abstract: A method for manufacturing of a multilayer PVC semi-finished product, in particular a multilayer PVC synthetic leather or a multilayer PVC foam sheet, the method comprising the steps of: a. Coating a coated or uncoated carrier web with a PVC plastisol, whereby a carrier web coated with an ungelled plastisol layer is obtained; thereafter b. Gelling the ungelled plastisol layer, whereby a carrier web coated with a gelled plastisol layer is obtained; and thereafter c. Cooling the carrier web coated with the gelled plastisol layer; characterized in that the coating comprises coating the carrier web with at least two PVC plastisols one above the other, simultaneously or in immediate succession. A corresponding apparatus is further described.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 8, 2022
    Inventors: Dirk ROBELING, Andre JOSTEN, Frans TE WELSCHER, Matthias HOLLSTEGGE