Patents by Inventor Theodorus J. P. M. Kroon

Theodorus J. P. M. Kroon 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).

  • Process and device for removing the top ply from a stack of plies such as layers of fabric
    Patent number: 4802662
    Abstract: Processes for removing the top ply from a stack of plies, such as layers of fabric, in which an element engages the stack and moves relative to the ply to be removed along the face of said ply while pressure is inserted by the element on the stack in such a way that this is locally dented. The element used to engage the ply is provided with a smooth surface. The invention also relates to a device for carrying out this method having a single hollow element which is provided with suction openings or blow openings and can be moved perpendicular to its longitudinal axis.
    Type: Grant
    Filed: September 2, 1986
    Date of Patent: February 7, 1989
    Assignee: Research-Vereniging Nededlandse Kleding-En Tricotage-Industrie(RNKT)
    Inventors: Hendrik J. H. Hobbelt, Eduard A. Burgemeister, Theodorus J. P. M. Kroon