Patents by Inventor Per-Erik Velin

Per-Erik Velin 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).

  • Patent number: 6558754
    Abstract: The invention relates to an apparatus (1) for distribution of hard particles to the surface of a paper web (20) impregnated with resin. The apparatus includes a feed hopper (3), a rotating doctor-roll (2) placed under the feed hopper (3). The doctor-roll (2) is in spaced relation to said paper web (20) fed under the doctor-roll (2). There is a means for releasing the particles from the doctor-roll (2) and distributing them evenly on the fed paper web. Said means comprises an electrode arrangement (4). The electrode arrangement (4) is enclosed by a casing (5) provided with a downwards direction sliding plate (7). The invention also includes a process where the apparatus is used as well as particle coated paper produced by the process.
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: May 6, 2003
    Assignee: Pergo (Europe) AB
    Inventors: Per-Erik Velin, Brian Perkins, Jan-Olof Bengtsson, Henrik Frosthagen
  • Patent number: 6106654
    Abstract: Process for the manufacturing of a decorative thermosetting laminate with a wear-resistant and a scratch resistant surface layer, wherein a continuous paper web is impregnated with melamine-formaldehyde resin, that one side of the web is coated with hard particles with a size of 30-90 .mu.m. After drying, the other side is coated with a melamine-formaldehyde resin containing hard particles with an average particle size of 1-15 .mu.m. The paper is, after drying, placed as the uppermost sheet in a laminate with the side coated with the smallest particles directed upwards towards a continuous pressure surface.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: August 22, 2000
    Assignee: Perstorp AB
    Inventors: Per-Erik Velin, Nils-Joel Nilsson, Kent Lindgren