Patents by Inventor John-Erik Brunlid

John-Erik Brunlid 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).

  • Creasing apparatus
    Patent number: 5509885
    Abstract: The present invention relates to a creasing apparatus with a male part with bars and a cooperating female part with grooves. Elastic material elements are inlaid in the grooves of the female part. The elements are pretensioned and locked in their grooves by means of T-shaped end pieces.
    Type: Grant
    Filed: September 29, 1993
    Date of Patent: April 23, 1996
    Assignee: Tetra Alfa Holdings & Finance S.A.
    Inventor: John-Erik Brunlid
  • Method of obtaining bend lines on packaging material
    Patent number: 5207632
    Abstract: Bend lines on packaging material are obtained by creasing, which results in crease lines which are raised on one side of the material. According to the invention the raised parts of the crease lines are removed by mechanical processing, such as by milling, considerably increasing the crease lines' weakening effect on the packaging material and facilitating subsequent bending of the material.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: May 4, 1993
    Assignee: Tetra Alfa Holdings
    Inventor: John-Erik Brunlid
  • Device for the displacement of filling material and the shaping of a material web in a packing machine
    Patent number: 3971192
    Abstract: The packing machine of the invention molds a first material web into a line of connected U-shaped sections; joins a second material web to the first material web and seals them together; fills the resulting cavities with an intended filling material; seals the filled cavities, and finally separates the line into individual filled packages.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: July 27, 1976
    Assignee: Tetra Pak Development
    Inventors: Franz Soukup, Bengt A. Rosberg, Tore I. Larsson, John-Erik Brunlid