Patents Assigned to HAARLA OY
  • Method and arrangement
    Patent number: 9370779
    Abstract: A method and an arrangement for treating stock formed of recycled fiber. The method comprises treating the stock in screen means and a flotation cell means, and screening the stock into accept and reject. Reject from the screening is directed to a mechanical dispergator and a dispersed reject is formed of it.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: June 21, 2016
    Assignee: Haarla OY
    Inventors: Johannes Haarla, Sakari Paunila, Markku Rislakki, Jouko Niinimäki, Mika Körkkö, Terhi Suopajärvi
  • METHOD AND ARRANGEMENT
    Publication number: 20130206877
    Abstract: A method and an arrangement for treating stock formed of recycled fibre. The method comprises treating the stock in screen means and a flotation cell means, and screening the stock into accept and reject. Reject from the screening is directed to a mechanical dispergator and a dispersed reject is formed of it.
    Type: Application
    Filed: July 1, 2011
    Publication date: August 15, 2013
    Applicant: HAARLA OY
    Inventors: Johannes Haarla, Sakari Paunila, Markku Rislakki, Jouko Niinimäki, Mika Körkkö, Terhi Suopajärvi