The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2011
Filed:
Mar. 21, 2005
Antti Makinen, Tampere, FI;
Eino Sorri, Tampere, FI;
Heikki Rehakka, Tampere, FI;
Aimo Rautanen, Nokia, FI;
Antti Makinen, Tampere, FI;
Eino Sorri, Tampere, FI;
Heikki Rehakka, Tampere, FI;
Aimo Rautanen, Nokia, FI;
Tamfelt Filtration Oy, Tampere, FI;
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 () is provided with yarns () having a highly changing length and a long free run in the weave. When the length of the yarns () is allowed to shorten significantly, a filtration portion () on the side of a surface () of the cloth obtains a corrugated shape, providing the cloth with a large filtering area.