Patents Assigned to Metsuo Paper, Inc.
  • Apparatus for controlling a headbox in a paper machine
    Patent number: 6491792
    Abstract: Method and apparatus for controlling the mixing proportions of feed streams being supplied to a headbox, using devices for sampling two or more of the feed streams upstream of the headbox and devices for measuring concentration of constituents in or other properties of those samples. A method of regulating one or more properties of a moving web, and especially a paper web during manufacture, employing the aforesaid method and apparatus are also disclosed.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: December 10, 2002
    Assignee: Metsuo Paper, Inc.
    Inventors: John Francis Shakespeare, Juha Antero Kniivilä, Petri Nyberg