Patents by Inventor Roode P. Berglund

Roode P. Berglund 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 measuring and controlling adhesion/release of a paper web which is removed by a doctor blade from a yankee cylinder and a web tension gauge
    Patent number: 5571382
    Abstract: The release of a crepe paper web (1) from a Yankee-cylinder (4) is carried out with the aid of a doctor blade (5). The web is taken up on a roll (9) under a specific degree of creping. The paper web has a web-part which is drawn freely between the doctor blade and the roll, and with the aid of a device (11, 12) which functions to deliver a substance between the paper web and the Yankee-cylinder for controlling web release. A deformation force is exerted (via 20) on the paper web at a local part of the freely drawn web-part. The resultant positional change at that local web-part is detected so as to obtain an electric signal corresponding to the tension in the paper web. That signal is passed to a control unit (13) for controlling the supply of substance to control release of the paper web from the Yankee-cylinder.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: November 5, 1996
    Inventor: Roode P. Berglund