Patents by Inventor Jan A. I. Rauser

Jan A. I. Rauser 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).

  • Packing container with a crack-resistant laminate
    Patent number: 4511078
    Abstract: A method for forming a packing laminate and a packing laminate are disclosed. The disclosed method provides crack-resistant packing laminates which can be folded during the preparation of packing containers without the formation of excessive cracking due to tensile stresses. Tensile stresses within the folded laminated layers are reduced by either cutting portions of the laminate in an area corresponding to the fold line, or removing portions of the laminate corresponding to the fold line.
    Type: Grant
    Filed: January 20, 1983
    Date of Patent: April 16, 1985
    Assignee: Tetra Pak International AB
    Inventors: Jan A. I. Rauser, Renato Cetrelli
  • Method for the manufacture of a packing material with good gas-tightness properties
    Patent number: 4460425
    Abstract: The invention relates to a method for the manufacture of packing material with good gas-tightness properties by coating a web or a sheet of paper with an aqueous solution containing polyvinyl alcohol and a thickener, e.g. carboxymethylcellulose, subsequently the water is boiled away and the coating layer formed is covered with a thin plastic film.
    Type: Grant
    Filed: February 2, 1983
    Date of Patent: July 17, 1984
    Assignee: Tetra Pak International A.B.
    Inventors: Jan A. I. Rauser, Gunnar Knudsen