Patents by Inventor Christophe Hayart

Christophe Hayart 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 manufacturing a screen cylinder and a screen cylinder
    Patent number: 9290886
    Abstract: The present invention relates to a method of manufacturing a screen cylinder, and a screen cylinder that is particularly suitable for screening, filtering, fractionating, or sorting cellulose pulp or fiber suspensions of the pulp and paper making industry, or other similar suspensions. The present invention relates more particularly to screening or filtering devices of the type comprising a plurality of screen wires (10) positioned at a small spacing parallel to each other, the screen wires (10) being fastened into notches in the support elements (20) by means of shrink fitting the screen wires (10) into the notches by heating the second rim area (26) of the support ring (20) after the screen wires (10) have been inserted into the notches.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: March 22, 2016
    Assignee: Aikawa Fiber Technologies Trust
    Inventors: Aku Asikainen, Christophe Hayart
  • Method of Manufacturing a Screen Cylinder and a Screen Cylinder
    Publication number: 20130319932
    Abstract: The present invention relates to a method of manufacturing a screen cylinder, and a screen cylinder that is particularly suitable for screening, filtering, fractionating, or sorting cellulose pulp or fiber suspensions of the pulp and paper making industry, or other similar suspensions. The present invention relates more particularly to screening or filtering devices of the type comprising a plurality of screen wires (10) positioned at a small spacing parallel to each other, the screen wires (10) being fastened into notches in the support elements (20) by means of shrink fitting the screen wires (10) into the notches by heating the second rim area (26) of the support ring (20) after the screen wires (10) have been inserted into the notches.
    Type: Application
    Filed: October 5, 2011
    Publication date: December 5, 2013
    Applicant: AIKAWA FIBER TECHNOLOGIES TRUST
    Inventors: Aku Asikainen, Christophe Hayart