Patents by Inventor Jouni Kirjava

Jouni Kirjava 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).

  • Doctor blade
    Patent number: 6758944
    Abstract: A doctor blade for use in cleaning a roll in a paper machine comprises a thermosetting plastic polymer material selected from the group consisting of vinylesterurethanes and polyether amides.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: July 6, 2004
    Assignee: Metso Paper, Inc.
    Inventors: Jouni Kirjava, Ilkka Rata, Tommi Vainio
  • Blade holder for a doctor and a method for using the doctor
    Patent number: 6749725
    Abstract: A blade holder for a doctor and method for using the doctor is disclosed, in which in the front part there is a throat or similar for the doctor blade of the doctor and which blade holder has loading members connected thereto to press the doctor blade against the surface to be doctored. The blade holder further includes a relatively stiff, slightly flexible frame plate, which incorporates the attachment flange. The blade holder also includes loading devices for directing the force of the loading members onto the frame plate at a distance from the attachment flange, to bend the frame plate and thus press the doctor blade against the surface to be doctored.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: June 15, 2004
    Assignee: Metso Paper, Inc.
    Inventors: Juha Isometsä, Jouni Kirjava, Matti Pajala, Seppo Parviainen, Iikka Rata
  • Doctor blade
    Publication number: 20010052401
    Abstract: A doctor blade for use in cleaning a roll in a paper machine comprises a thermosetting plastic polymer material selected from the group consisting of vinylesterurethanes and polyether amides.
    Type: Application
    Filed: March 9, 2001
    Publication date: December 20, 2001
    Inventors: Jouni Kirjava, Ilkka Rata, Tommi Vainio