Patents by Inventor Jukka Lyyra

Jukka Lyyra 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).

  • MULTI-PLY LINER FOR USE IN CORRUGATED BOARD
    Publication number: 20240263401
    Abstract: The present invention relates to a multi-ply liner for use in corrugated board, said multi-ply liner comprising: a first ply, and a second ply, wherein said first ply comprises at least 70 wt % unbleached kraft pulp and between 5-30 wt % neutral sulfite semi chemical (NSSC) pulp based on dry weight, and wherein said second ply comprises at least 50 wt % NSSC pulp and between 5-50 wt % unbleached kraft pulp based on dry weight.
    Type: Application
    Filed: May 13, 2022
    Publication date: August 8, 2024
    Applicant: Stora Enso OYJ
    Inventors: Isto Heiskanen, Jukka Kankkunen, Ismo Saarinen, Jukka Lyyra, Juha Rvenniemi, Harri Taipale, Hannu Heikkinen
  • METHOD FOR MANUFACTURING FLUTING AND/OR LINER FOR CORRUGATED BOARD
    Publication number: 20240254694
    Abstract: A method for manufacturing fluting and/or liner for corrugated board, comprising the step(s): a) using broke obtained from manufacturing of liner in the pulp used for manufacturing of fluting wherein at least 50% of the broke is external broke from the manufacturing of liner, and/or b) using broke obtained from manufacturing of fluting in the pulp used for manufacturing of liner wherein at least 50% of the broke is external broke from the manufacturing of fluting.
    Type: Application
    Filed: May 13, 2022
    Publication date: August 1, 2024
    Applicant: Stora Enso OYJ
    Inventors: Isto Heiskanen, Jukka Kankkunen, Ismo Saarinen, Jukka Lyyra, Juha Rvenniemi, Harri Taipale, Hannu Heikkinen