Patents by Inventor Kenneth Vinberg

Kenneth Vinberg 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).

  • Roll of bags and method and device for producing the same
    Patent number: 6168558
    Abstract: Method and device for producing rolls (17) of bags. At least one longitudinal side edge (15, 16) of a line of overlapping bags (17) is folded towards the centre axis of said line of bags. The line is then winded to rolls (17).
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: January 2, 2001
    Assignee: FAS Converting Machinery AB
    Inventor: Kenneth Vinberg
  • Welding unit and bag-making machine with such a welding unit
    Patent number: 5967961
    Abstract: A welding unit for forming defining weld lines in an elongate web, preferably in a bag-making machine, includes a drive means, which is arranged in an endless loop, and at least one sealing jaw. The sealing jaw is connected to the drive means for movement along said loop. A fixed guide means extends in an endless loop essentially in parallel with the drive means. Each sealing jaw is received on a carriage, which is connected to the drive means and has at least one follower element, which is adapted to abut against and move along the guide means.
    Type: Grant
    Filed: April 17, 1998
    Date of Patent: October 19, 1999
    Assignee: FAS Converting Machinery AB
    Inventors: Thomas Leijon, Kenneth Vinberg