Patents by Inventor Theo Stals

Theo Stals 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).

  • Patent number: 4535506
    Abstract: A method and device for everting flexible tubular members, such as food casings and the like, is disclosed wherein a tubular member is axially displaced by a frictional engagement means, which means is deposed in a distal end portion of the member, and which frictionally engages the interior surface of said member and displaces said member to a point where the member is folded back over itself (everted) and then displaces said everted member, from the point of everting over the exterior surface of the noneverted tubular member.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: August 20, 1985
    Assignee: Teepak, Inc.
    Inventors: Ivo G. M. Hendriks, Theo Stals