Patents by Inventor Hans Sjölin

Hans Sjölin 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).

  • Process for the production of a floor strip
    Patent number: 7820287
    Abstract: A thin abrasion resistant decorative thermosetting laminate of postforming quality is glued to a longitudinal carrier. The carrier preferably consists of a fiber board or a particle board with a rectangular cross section and at least two opposite rounded-off edges. One or more floor strips with the same or different cross section is machined from the laminate clad carrier.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: October 26, 2010
    Assignee: Pergo AG
    Inventors: Sven Kornfält, Per Bengtsson, Hans Sjölin
  • Process for the production of a floor strip
    Patent number: 6805951
    Abstract: A thin abrasion resistant decorative thermosetting laminate of postforming quality is glued to a longitudinal carrier. The carrier preferably consists of a fibre board or a particle board with a rectangular cross section and at least two opposite rounded-off edges. One or more floor strips with the same or different cross section is machined from the laminate clad carrier.
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: October 19, 2004
    Assignee: Pergo (Europe) AB
    Inventors: Sven Kornfält, Per Bengtsson, Hans Sjölin
  • Process for the production of a floor strip
    Patent number: 6517935
    Abstract: A thin abrasion resistant decorative thermosetting laminate of postforming quality is glued to a longitudinal carrier. The carrier preferably consists of a fiberboard or a particle board with a rectangular cross section and at least two opposite rounded-off edges. One or more floor strips with the same or different cross section is machined from the laminate clad carrier.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: February 11, 2003
    Assignee: Pergo (Europe) AB
    Inventors: Sven Kornfält, Per Bengtsson, Hans Sjölin
  • Process for the production of a thermosetting laminate
    Patent number: 6375777
    Abstract: Process for the production of a thermosetting laminate made of a number of continuous paper webs impregnated with a thermosetting resin. The dry webs are fed continuously between an upper and a lower press belt (101 and 102 respectively) of a continuous double belt press (100). The continuous paper webs are divided into at least two groups (10) each consisting of at least two sheets of which at least one is impregnated with a thermosetting resin. One or more separation sheets (1) are placed between the groups (10) of paper webs.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: April 23, 2002
    Assignee: Perstorp AB
    Inventors: Hans Sjölin, Håkan Larsson