Patents by Inventor Eino Sorri

Eino Sorri 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).

  • Solid-liquid filtration cloth and filtering device
    Patent number: 7931153
    Abstract: The invention relates to a method of making a solid-liquid filtration cloth, a solid-liquid filtration cloth, and a filter in which the solid-liquid filtration cloth is arranged. The filter cloth (7) is provided with yarns (13b) having a highly changing length and a long free run in the weave. When the length of the yarns (13b) is allowed to shorten significantly, a filtration portion (15) on the side of a surface (14) of the cloth obtains a corrugated shape, providing the cloth with a large filtering area.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: April 26, 2011
    Assignee: Tamfelt Filtration Oy
    Inventors: Antti Makinen, Eino Sorri, Heikki Rehakka, Aimo Rautanen
  • Solid-liquid filtration cloth and filtering device
    Publication number: 20070144957
    Abstract: The invention relates to a method of making a solid-liquid filtration cloth, a solid-liquid filtration cloth, and a filter in which the solid-liquid filtration cloth is arranged. The filter cloth (7) is provided with yarns (13b) having a highly changing length and a long free run in the weave. When the length of the yarns (13b) is allowed to shorten significantly, a filtration portion (15) on the side of a surface (14) of the cloth obtains a corrugated shape, providing the cloth with a large filtering area.
    Type: Application
    Filed: March 21, 2005
    Publication date: June 28, 2007
    Applicant: Tamfelt OYJ ABP
    Inventors: Antti Makinen, Eino Sorri, Heikki Rehakka, Aimo Rautanen
  • Method for manufacturing shrink fabric, and shrink fabric
    Patent number: 6658709
    Abstract: A method for manufacturing a shrink fabric, and a shrink fabric to be used for filtering. The method is used for manufacturing a shrink fabric (1, 1′) comprising a seam assembly (4) which is substantially diagonal with respect to the lateral direction of the shrink fabric (1, 1′). When arranged in place onto a drum filter, the seam assembly (4) of the shrink fabric (1, 1′) is substantially diagonal with respect to the lateral direction of the drum (2) of the drum filter.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: December 9, 2003
    Assignee: Tamfelt OYJ ABP
    Inventors: Aulis Perälä, Eino Sorri
  • Method for manufacturing shrink fabric, and shrink fabric
    Publication number: 20020050036
    Abstract: A method for manufacturing a shrink fabric, and a shrink fabric to be used for filtering. The method is used for manufacturing a shrink fabric (1, 1′) comprising a seam assembly (4) which is substantially diagonal with respect to the lateral direction of the shrink fabric (1, 1′). When arranged in place onto a drum filter, the seam assembly (4) of the shrink fabric (1, 1′) is substantially diagonal with respect to the lateral direction of the drum (2) of the drum filter.
    Type: Application
    Filed: October 19, 2001
    Publication date: May 2, 2002
    Inventors: Aulis Perala, Eino Sorri