Patents by Inventor Lars Winter

Lars Winter 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).

  • Device for producing paper webs coated on both sides
    Patent number: 5685909
    Abstract: Disclosed are a process of and an apparatus for producing paper webs coated on both sides, in particular so-called LWC-papers, in a paper making machine. Firstly, one side of the paper web (1) is coated in a first coating station (8) and then dried. Subsequently, the other side of the paper web (1) is coated in a second coating station (25) and then dried. Each coating station (8, 25) includes an application role (10), an opposing roll (11) and an application unit (13) arranged on the application roll for indirectly coating the paper web. The metering of the coating mass on the application roll (10) takes place by means of a smooth roll doctor. The coated paper web (1) is calendered by means of an on-line calendering unit (60).
    Type: Grant
    Filed: March 21, 1996
    Date of Patent: November 11, 1997
    Assignees: Voith Sulzer Papiermaschinen GmbH, SCA Graphic Sundsvall AB
    Inventors: Stefan Reich, Bernd Riepenhausen, Martin Kustermann, Michael Trefz, Lars Winter, Irene Wedin, Anette Berg, Fredrik Aksnes