Patents by Inventor Ville Vuorijarvi

Ville Vuorijarvi 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 and device for moisturization of a paper or board web in calendering
    Patent number: 6758135
    Abstract: A paper or board web (W) is calendered in at least one calendering nip (N1-N8), and the web (W) is moisturized before calendering. The web (W) is moisturized by means of liquid moisturization (20; 21) very close before at least one calendering nip (N1, N5). A calender for calendering a paper or board web has at least one liquid moisturizing calendering nip (N1-N8) and at least one device (20; 21) for moisturizing the web (W) is placed very close before at least one calendering nip (N1; N5).
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: July 6, 2004
    Assignee: Metso Paper, Inc.
    Inventors: Pekka Linnonmaa, Antti Heikkinen, Markku Kyytsönen, Ville Vuorijärvi, Pekka Moisio
  • Method and device for moisturatization of a paper board web in calendering
    Publication number: 20030089248
    Abstract: The invention relates to a method for calendering a paper or board web, in which method the web (W) is calendered in at least one calendering nip (N1-N8), and in which method the web (W) is moisturized before calendering. In the method, the web (W) is moisturized by means of moisturization (20; 21) very close before at least one calendering nip (N1, N5). The invention also relates to a calender for calendering a paper or board web comprising at least one calendering nip (N1-N8) and at least one device for moisturizing the web (W). The device for moisturizing the web (W) is a moisturizing device (20; 21) and that the moisturizing device (20; 21) is placed very close before or in at least one calendering nip (N1, N5).
    Type: Application
    Filed: October 23, 2002
    Publication date: May 15, 2003
    Inventors: Pekka Linnonmaa, Antti Heikkinen, Markku Kyytsonen, Ville Vuorijarvi, Pekka Moisio