Patents Assigned to Cyjkio-Gesellschaft Emil Hoffmann
  • Apparatus for the welding of strips of thermoplastic material lying on top of each other
    Patent number: 4300976
    Abstract: Apparatus for the welding of strips of thermoplastic material lying on top of each other which enables varying of the welding area and wherein the contact area between the jaws and the strip is larger than the welding area. One jaw is fixed and the other jaw is swingable about a vertical axis through the strip while in pressure engagement with the ends of the strips to be welded.
    Type: Grant
    Filed: August 4, 1980
    Date of Patent: November 17, 1981
    Assignee: Cyjkio-Gesellschaft Emil Hoffmann
    Inventor: Hubert Wehr