Patents by Inventor Matti Pylkkanen

Matti Pylkkanen 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).

  • Method and apparatus for removing bark balls from a log flow
    Patent number: 5699919
    Abstract: The invention relates to a method and apparatus for removing bark balls from a log flow traveling on a conveyor (3) which extends from a debarking drum (1) to a chipper (2), said conveyor (3) including a roller assembly (4) provided with an opening (5) for dumping from the conveyor (3) a sub-flow consisting of wood pieces and bark balls. The apparatus comprises an adjustable dispenser device (6) for further dividing the sub-flow falling from the conveyor (3) into a portion including mainly wood pieces and a portion including mainly bark balls.
    Type: Grant
    Filed: July 26, 1995
    Date of Patent: December 23, 1997
    Assignee: Andritz-Pantentverwaltungs-Gesellschaft m.b.H.
    Inventors: Matti Pylkkanen, Lennart Thornquist