Patents by Inventor Sophia Törnqvist

Sophia Törnqvist 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).

  • Device and method for controlling a web
    Patent number: 8447425
    Abstract: An adaptive assembly line for assembly of a continuous first web to a continuous or discontinuous second web. The assembly line includes a control device. The control devices includes a first camera arranged to take a first picture of the first web before assembly of the first web to the second web. The control device is arranged to use the first picture for determining the position of a first center line in the first web. The control device is arranged to use the first picture for controlling the position of the first web and/or the second web so that the first center line becomes aligned with a second center line comprised in the second web during assembly of the first web to the second web.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: May 21, 2013
    Assignee: SCA Hygiene Products AB
    Inventors: Lennart Hjalmarsson, Sophia Törnqvist, Anders Belin
  • DEVICE AND METHOD FOR CONTROLLING A WEB
    Publication number: 20100212136
    Abstract: An adaptive assembly line for assembly of a continuous first web to a continuous or discontinuous second web. The assembly line includes a control device. The control devices includes a first camera arranged to take a first picture of the first web before assembly of the first web to the second web. The control device is arranged to use the first picture for determining the position of a first centre line in the first web. The control device is arranged to use the first picture for controlling the position of the first web and/or the second web so that the first centre line becomes aligned with a second centre line comprised in the second web during assembly of the first web to the second web.
    Type: Application
    Filed: August 28, 2008
    Publication date: August 26, 2010
    Applicant: SCA Hygiene Products AB
    Inventors: Lennart Hjalmarsson, Sophia Törnqvist, Anders Belin