Patents by Inventor Ewald Steinweg

Ewald Steinweg 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: 5609556
    Abstract: A method for manufacturing bags (18) with strap shaped handles (16) which provides for the handles to be bonded to the outside faces of the bags by attachment portions (24) at the free ends of their parallel legs, in which assembling and bonding of the handles (16) is effected during continuous transport of the bags (18), with their bottoms (20) forward, from a bag making machine (10) in which the bags without handles are produced, to a stacker station; the handles are folded such that their portions (26) protruding beyond the bag marginal edge while in the usage position are folded over forwardly as viewed in bag transport direction; and the handle portions (26) as folded over are detachably tacked to the bags (18) and/or the attachment portions (24) before the bags are entering the stacker station (14).
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: March 11, 1997
    Assignee: Fischer & Krecke GmbH & Co.
    Inventors: Fred Rostalski, Diethard Obermeier, Ewald Steinweg, Wilfried Kolbe, Klaus Schirrich