Patents by Inventor Pär Rydberg

Pär Rydberg 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: 11066223
    Abstract: The present invention relates to an opening device comprising a first portion on one side of a fibre based packaging laminate and a second portion on an opposite side of the fibre based packaging laminate, the first and second portion being formed in one and the same piece and joined by at least one material bridge extending through the packaging laminate. The present invention also relates to a method for manufacturing the opening device and to a packaging material to be used is such a method.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: July 20, 2021
    Assignee: Tetra Laval Holdings & Finance S.A.
    Inventors: Pär Andersson, Pär Rydberg, Göran Johansson, Mattias Lennartsson, Thorbjörn Andersson, Per Ohlsson
  • Patent number: 11021276
    Abstract: A method for producing a packaging material comprises providing a core material layer of fibre-based material having an inner side and an outer side, embossing the core material layer for forming embossed features having an initial height, the embossed features protruding from the outer side of the core material layer to later form a tactile pattern on a side of the package to be formed by the packaging material, and laminating at least one layer to the inner side of the embossed core material layer such that the height of the embossed features is temporarily reduced to a minimum height.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: June 1, 2021
    Assignee: TETRA LAVAL HOLDINGS & FINANCE S.A.
    Inventors: Ola Persson, Karin Olsson, Pär Rydberg, Peter Williamsson, Mugeni Nuamu
  • Publication number: 20190225356
    Abstract: A method for producing a packaging material comprises providing a core material layer of fibre-based material having an inner side and an outer side, embossing the core material layer for forming embossed features having an initial height, the embossed features protruding from the outer side of the core material layer to later form a tactile pattern on a side of the package to be formed by the packaging material, and laminating at least one layer to the inner side of the embossed core material layer such that the height of the embossed features is temporarily reduced to a minimum height.
    Type: Application
    Filed: July 20, 2017
    Publication date: July 25, 2019
    Applicant: Tetra Laval Holdings & Finance S.A.
    Inventors: Ola PERSSON, Karin OLSSON, Pär RYDBERG, Peter WILLIAMSSON, Mugeni NUAMU
  • Publication number: 20170297799
    Abstract: The present invention relates to an opening device on a packaging container for liquid or semi-liquid food. The packaging container has a fold line and an opening line intersecting in an intersection point, thereby dividing the opening line into a first opening line portion and a second opening line portion. The opening device comprises a first opening device portion and a second opening device portion, wherein the first opening device portion has an opening edge that is at least partly aligned along the first opening line portion and arranged on a first side of the opening line. The second opening device portion has an opening edge that is at least partly aligned along the second opening line portion and arranged on a second side of the opening line. The invention also comprises a packaging container with an opening device and a method of manufacturing the packaging container.
    Type: Application
    Filed: April 22, 2015
    Publication date: October 19, 2017
    Applicant: TETRA LAVAL HOLDINGS & FINANCE S.A.
    Inventors: Bengt HÅKANSSON, Pär ANDERSSON, Pär RYDBERG, Göran JOHANSSON, Olivia BEGIC, Jens PERSSON
  • Patent number: 9676531
    Abstract: A membrane for sealing an open spout of a food package comprises a central circular disc member, an outer annular disc member connected to the central circular disc member along its inner periphery at a connection angle, and a resilient tubular portion extending between a first open end and a second end being connected to the outer annular disc member, the diameter of the second end being smaller than the outer diameter of the annular disc member, wherein the annular disc member is pivotable relative the central circular disc member for increasing the diameter of the second end of the tubular portion by changing the connection angle.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: June 13, 2017
    Assignee: TETRA LAVAL HOLDINGS & FINANCE S.A.
    Inventors: Göran Johansson, Lennart Stillerud, Bengt Håkansson, Pär Rydberg
  • Publication number: 20170137197
    Abstract: The present invention relates to an opening device comprising a first portion on one side of a fibre based packaging laminate and a second portion on an opposite side of the fibre based packaging laminate, the first and second portion being formed in one and the same piece and joined by at least one material bridge extending through the packaging laminate. The present invention also relates to a method for manufacturing the opening device and to a packaging material to be used is such a method.
    Type: Application
    Filed: June 19, 2014
    Publication date: May 18, 2017
    Applicant: TETRA LAVAL HOLDINGS & FINANCE S.A.
    Inventors: Pär ANDERSSON, Pär RYDBERG, Göran JOHANSSON, Mattias LENNARTSSON, Thorbjörn ANDERSSON, Per OHLSSON
  • Publication number: 20140319142
    Abstract: A membrane for sealing an open spout of a food package comprises a central circular disc member, an outer annular disc member connected to the central circular disc member along its inner periphery at a connection angle, and a resilient tubular portion extending between a first open end and a second end being connected to the outer annular disc member, the diameter of the second end being smaller than the outer diameter of the annular disc member, wherein the annular disc member is pivotable relative the central circular disc member for increasing the diameter of the second end of the tubular portion by changing the connection angle.
    Type: Application
    Filed: November 16, 2012
    Publication date: October 30, 2014
    Inventors: Göran Johansson, Lennart Stillerud, Bengt Håkansson, Pär Rydberg