Patents by Inventor Hans Nyqvist

Hans Nyqvist 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: 7776171
    Abstract: An arrangement (1) for the treatment of a material (7, 8; 7?, 8?; 7?, 8?; 18) having at least two layers of material by an ultrasonic device (2) having an ultrasonic horn (3) arranged in conjunction with an abutment (5), in conjunction with which the material (7, 8; 7?, 8?; 7?, 8?; 18) is positioned in a gap (6) that is defined between the ultrasonic horn (3) and the abutment (5), and the ultrasonic horn (3) and/or the abutment (5) is/are so arranged as to be capable of displacement to permit adjustment of the size of the gap (6), for which purpose the arrangement (1) also includes a control unit (13) for the regulation of the size of the gap (6) dependent on the energy supplied to the material in the course of the treatment.
    Type: Grant
    Filed: January 21, 2008
    Date of Patent: August 17, 2010
    Assignee: SCA Hygiene Products AB
    Inventors: Marcus Lehto, Hans Nyqvist, Erik Yngvesson
  • Publication number: 20080110550
    Abstract: An arrangement (1) for the treatment of a material (7, 8; 7?, 8?; 7?, 8?; 18) having at least two layers of material by an ultrasonic device (2) having an ultrasonic horn (3) arranged in conjunction with an abutment (5), in conjunction with which the material (7, 8; 7?, 8?; 7?, 8?; 18) is positioned in a gap (6) that is defined between the ultrasonic horn (3) and the abutment (5), and the ultrasonic horn (3) and/or the abutment (5) is/are so arranged as to be capable of displacement to permit adjustment of the size of the gap (6), for which purpose the arrangement (1) also includes a control unit (13) for the regulation of the size of the gap (6) dependent on the energy supplied to the material in the course of the treatment.
    Type: Application
    Filed: January 21, 2008
    Publication date: May 15, 2008
    Applicant: SCA Hygiene Products AB
    Inventors: Marcus Lehto, Hans Nyqvist, Erik Yngvesson