US 11,987,905 B2
Monofilament yarn
Rauno Enqvist, Espoo (FI); Hannu Martikainen, Espoo (FI); and Juha Paavolainen, Espoo (FI)
Assigned to Valmet Technologies, Inc., Espoo (FI)
Filed by Valmet Technologies, Inc., Espoo (FI)
Filed on Jun. 2, 2022, as Appl. No. 17/830,538.
Claims priority of application No. 20215654 (FI), filed on Jun. 4, 2021.
Prior Publication US 2022/0389618 A1, Dec. 8, 2022
Int. Cl. D01D 5/253 (2006.01); D01F 6/76 (2006.01); D01F 6/94 (2006.01)
CPC D01D 5/253 (2013.01) [D01F 6/76 (2013.01); D01F 6/94 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A monofilament yarn for an industrial textile, which has a yarn cross-section having:
a width and a height, which width is greater than the height, and
the yarn cross-section has four corners comprised of two first opposite corners and two second opposite corners, wherein the angle of each first opposite corner is over 90 degrees, and the angle of each second opposite corner is under 90 degrees, wherein between each first opposite corner and second opposite corner there is a concave arc;
wherein the width is from 0.1 to 3 mm;
wherein the two first opposite corners and the two second opposite corners are rounded; and
wherein the rounded two first opposite corners have a radius of 0.1 to 0.15 mm, and the rounded two second opposite corners have a radius of 0.075 to 0.1 mm.