Patents by Inventor Lars-Otto Sisleg.ang.rd

Lars-Otto Sisleg.ang.rd 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 of manufacturing lignocellulosic board
    Patent number: 6123884
    Abstract: Methods for the continuous manufacture of board from lignocellulose-containing material are disclosed including disintegrating the lignocellulose material into particles or fibers, drying, coating with glue, forming the glued board into a mat, heating the mat with steam, compressing the heated mat to a predetermined thickness approximately equal to the final desired thickness of the board, and pressing the compressed mat into the board.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: September 26, 2000
    Assignee: Valmet Fibertech Aktiebolag
    Inventors: Goran Lundgren, Kurt Schedin, Lars-Otto Sisleg.ang.rd, Sven-Ingvar Thorbjornsson
  • Method of continuous production of lignocellulosic boards
    Patent number: 5989468
    Abstract: Methods for the continuous production of compressed board are disclosed including drying lignocellulosic fibrous material, gluing the lignocellulosic fibrous material, forming a mat, and pre-compressing the mat by controllably adding steam to the mat in an amount such that the temperature of the mat is increased to between about 60 and 90.degree. C.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: November 23, 1999
    Assignee: Sunds Defibrator Industries AB
    Inventors: Goran Lundgren, Kurt Schedin, Lars-Otto Sisleg.ang.rd, Kjell Sjodin