Patents by Inventor Willi R. L. Doersam

Willi R. L. Doersam 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).

  • Blanket fixing and tensioning assembly
    Patent number: 5315931
    Abstract: A blanket fixing and tensioning assembly which is usable to secure and tighten a blanket on a blanket cylinder utilizes a blanket leading edge fixing and tensioning assembly together with a blanket trailing edge tensioning assembly. The leading edge can be fixed to the blanket and held in place while the blanket is applied to the blanket cylinder and its trailing edge secured and tensioned. The blanket can also be shifted circumferentially on the blanket cylinder to accommodate for blanket wear.
    Type: Grant
    Filed: August 20, 1992
    Date of Patent: May 31, 1994
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventor: Willi R. L. Doersam
  • Cylinder blanket fastening assembly
    Patent number: 5218906
    Abstract: A cylinder blanket fastening assembly utilizes a resilient clamping bar that is secured to a channel edge of a cylinder and generally adjacent a tensioning shaft carried in a channel in the cylinder. A leading edge of an inner blanket is positionable between a clamping edge of the clamping bar and the channel edge. The clamping bar is moved into clamping position by rotation of the tensioning shaft.
    Type: Grant
    Filed: June 12, 1992
    Date of Patent: June 15, 1993
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventor: Willi R. L. Doersam