Patents by Inventor Reima Heikkinen

Reima Heikkinen 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 for preparing a disc chipper wear plate for reuse and a disc chipper wear plate prepared according to the method
    Patent number: 6848486
    Abstract: A method is provided for reconditioning after rehardfacing the wear plates that are used on the mounting face of the knife disc of a disc chipper so that the original dimensions of the wear plate are substantially restored. Also, a wear plate is provided which is reconditioned in accordance with the method. A rear side of the wear plates is machined to incorporate at least one additional groove and into the grooves made on the wear plate rear side are affixed machining allowance strips, whereupon the allowance strips can be machined as required to restore the thickness dimensions of the wear plate.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: February 1, 2005
    Assignee: Metso Paper, Inc.
    Inventor: Reima Heikkinen