US 11,920,303 B2
Fabric and use of the fabric in a tissue machine
Susanne Klaschka, Cologne (DE); Robert Eberhardt, Ellwangen (DE); and Hubert Walkenhaus, Kerpen (DE)
Assigned to Voith Patent GmbH, Heidenheim (DE)
Appl. No. 17/608,607
Filed by Voith Patent GmbH, Heidenheim (DE)
PCT Filed Mar. 12, 2020, PCT No. PCT/EP2020/056701
§ 371(c)(1), (2) Date Nov. 3, 2021,
PCT Pub. No. WO2020/224834, PCT Pub. Date Nov. 12, 2020.
Claims priority of application No. 102019111441.1 (DE), filed on May 3, 2019.
Prior Publication US 2022/0228317 A1, Jul. 21, 2022
Int. Cl. D21F 7/08 (2006.01); D21F 3/02 (2006.01); D21F 3/04 (2006.01); D21F 11/14 (2006.01)
CPC D21F 7/083 (2013.01) [D21F 3/0272 (2013.01); D21F 3/045 (2013.01); D21F 11/14 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fabric for use in a machine for producing a tissue web, the fabric comprising:
a base structure being a woven textile structure with machine direction (MD) threads and cross-machine direction (CD) threads;
said MD threads wholly or predominantly having a diameter of between 0.25 mm and 0.45 mm and said MD threads having a thread density of more than 37%; and
at least one layer of nonwoven fibers connected to said woven textile structure by needle-punching, with said base structure and said at least one layer of nonwoven fibers together forming a felt.