Patents by Inventor Magnus Wigenstedt

Magnus Wigenstedt 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: 6374582
    Abstract: The present invention relates to a method and a device for picking-up and opening in the shape of elongate bags for automatic packing of cylindrical articles, preferably can lids. The method is charaterized by picking-up essentially flattened packages from a package magazine by means of pick-up means, opening the individual package by application thereon, at least in the area of the opening-mouth end of bags, of surface-holding means to opposite sides of the package and thereafter moving said means away from the package and then moving said means apart whereby the package mouth is distended.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: April 23, 2002
    Assignee: Nordisk Platindustri Benetec AB
    Inventors: Weine Agne, Magnus Wigenstedt
  • Patent number: 6244019
    Abstract: The present invention relates to packages for stacked can lids, a method of producing such packages, devices for implementing said method, devices for automated unpacking of the above nature and a system for packing and unpacking can lids. The packages are formed with an open end, which is closed in that the bag end, when in unfolded condition, is compressed and is provided with fastening means retaining said closed condition. In addition, the closing device closes the open package end by compressing the bag end in the unfolding condition and in that fastening means are applied retaining said closed condition, and the unpacking device causes relative movement of the packages and the can lids contained therein in such a manner that the can lids are pressed against the package end closed by means of said fastening means.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: June 12, 2001
    Assignee: Nordisk Platindustri Benetec AB
    Inventors: Ake Sigurd Ljungqvist, Weine Agne, Magnus Wigenstedt