Patents by Inventor Alois Steinhardt

Alois Steinhardt 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 the edge aligned connection of webs
    Patent number: 5133511
    Abstract: A roll changer for delivering a web of material has, for edge-aligned connection of the trailing end of a delivered web with the leading end of the web from a new roll, in addition to the web edge-sensor controlling the position of the delivery roll during such delivery, a roll sensor responsive to the position of the edge of the outermost turn of the new roll, adjusting the axial position of the new roll. The sensors are switched to the respective controllers upon rotation of the roll turret to deliver a new roll to the waiting position.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: July 28, 1992
    Assignee: Erhardt & Leimer GmbH
    Inventors: Horst Mack, Alois Steinhardt