Patents by Inventor Erich Scheja

Erich Scheja 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).

  • Device for making as well as filling of bags
    Patent number: 4662147
    Abstract: At first, a semihose is made with a label fold (2) as well as a bag fold (3), whose free ends overlap with each other, whereby the free edge of the bag fold (3) is disposed on the outside. The labels 6 which are inserted in the longitudinal direction of the semihose control the forward movement of the semihose within the device in such a manner that separating weld seams (4) as well as adjacent perforations (5) are always made between successive labels (6). A sealing weld seam (7) is made after filling the bag, so as to close the bag.
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: May 5, 1987
    Assignee: ABG Apparatebau-Gesellschaft mbH
    Inventor: Erich Scheja