Patents by Inventor Wolfgang SPREHE

Wolfgang SPREHE 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 the control of the rotational speed for a drive device of a printing roll
    Patent number: 10391760
    Abstract: The invention relates to a method for the control of the rotational speed for a drive device (20) of a printing roll (10) with a resilient printing sleeve (12) of a flexo printing press (100) comprising the following steps: Determination of a first rotational speed (V1) of the printing roll (10) in the free wheeling without active drive device (20) with a first adjusting value (B1), Determination of a second rotational speed (V2) of the printing roll (10) in the free wheeling without active drive device (20) with a second adjusting value (B2), Generation of a control curve (30) of the rotational speed related to the adjusting value on the basis of the determination steps, Usage of the control curve (30) for the control of the rotational speed of the printing roll (10) with an active drive device (20).
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: August 27, 2019
    Assignee: WINDMOLLER & HOLSCHER KG
    Inventors: Frank Westhof, Wolfgang Knapheide, Mario Frankenberg, Uwe Howelmeyer, Wolfgang Sprehe, Frank Gunschera
  • METHOD FOR THE CONTROL OF THE ROTATIONAL SPEED FOR A DRIVE DEVICE OF A PRINTING ROLL
    Publication number: 20160288489
    Abstract: The invention relates to a method for the control of the rotational speed for a drive device (20) of a printing roll (10) with a resilient printing sleeve (12) of a flexo printing press (100) comprising the following steps: Determination of a first rotational speed (V1) of the printing roll (10) in the free wheeling without active drive device (20) with a first adjusting value (B1), Determination of a second rotational speed (V2) of the printing roll (10) in the free wheeling without active drive device (20) with a second adjusting value (B2), Generation of a control curve (30) of the rotational speed related to the adjusting value on the basis of the determination steps, Usage of the control curve (30) for the control of the rotational speed of the printing roll (10) with an active drive device (20).
    Type: Application
    Filed: June 30, 2014
    Publication date: October 6, 2016
    Inventors: Frank WESTHOF, Wolfgang KNAPHEIDE, Mario FRANKENBERG, Uwe HOWELMEYER, Wolfgang SPREHE, Frank GUNSCHERA