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.

Date of Patent:
May. 21, 2024

Filed:

Jun. 02, 2022
Applicant:

Valmet Technologies, Inc., Espoo, FI;

Inventors:

Rauno Enqvist, Espoo, FI;

Hannu Martikainen, Espoo, FI;

Juha Paavolainen, Espoo, FI;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D 5/253 (2006.01); D01F 6/76 (2006.01); D01F 6/94 (2006.01);
U.S. Cl.
CPC ...
D01D 5/253 (2013.01); D01F 6/76 (2013.01); D01F 6/94 (2013.01);
Abstract

A monofilament yarn () has a polygon cross-section having a width and a height, which width is greater than the height, and four corners () of which the first two opposite corners () have angles of over 90 degrees, and the second two opposite corners () have angles under 90 degrees, said width being 0.1 to 3 mm. The rounded first two opposite corners have a radius of 0.1 to 0.15 mm, and the rounded second two opposite corners have a radius of 0.075 to 0.1 mm. The yarn may be used to fabricate an industrial textile, which may be a papermaking fabric such as a dryer fabric or a forming fabric, or a filter fabric, such as a disc filter, a horizontal vacuum belt filter, a belt filter press, a twin wire press, a drum filter, a pan filter, a gravity table or a filter press.


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