Patents by Inventor Erwin Bergs

Erwin Bergs 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).

  • Apparatus for adjustment of the coating thickness in the coating of traveling webs
    Patent number: 4367691
    Abstract: In an apparatus for coating a traveling web and comprising coating means for the web, a doctor roll which bears on the coated side of the web, a doctor-roll bed supporting the doctor roll and secured to the machine frame through a mount, and means for adjusting the location of the doctor roll and thus for adjusting the coating thickness, the improvement wherein the doctor-roll bed is made of an elastomeric material, and the adjusting means includes an inflatable tube between the doctor-roll bed and its mount constructed as a pressure chamber in the doctor-roll bed.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: January 11, 1983
    Assignee: Jagenberg Werke AG
    Inventor: Erwin Bergs