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:
Jun. 17, 2025

Filed:

Dec. 04, 2020
Applicants:

Trützschler Group SE, Mönchengladbach, DE;

Voith Patent Gmbh, Heidenheim, DE;

Inventors:

Thomas Weigert, Sulzbach, DE;

Florian Seils, Seligenstadt, DE;

Kai Pöhler, Vettweiss, DE;

Assignees:

TRÜTZSCHLER GROUP SE, Mönchengladbach, DE;

VOITH PATENT GMBH, Heidenheim, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/492 (2012.01); B32B 5/02 (2006.01); B32B 5/06 (2006.01); B32B 5/26 (2006.01); B32B 37/00 (2006.01); D04H 1/4374 (2012.01); D04H 1/49 (2012.01); D04H 1/498 (2012.01); D04H 18/04 (2012.01); D04H 1/4258 (2012.01); D04H 1/4291 (2012.01); D04H 1/4334 (2012.01); D04H 1/435 (2012.01);
U.S. Cl.
CPC ...
D04H 18/04 (2013.01); B32B 5/022 (2013.01); B32B 5/067 (2021.05); B32B 5/266 (2021.05); B32B 37/0038 (2013.01); B32B 37/0053 (2013.01); D04H 1/4374 (2013.01); D04H 1/49 (2013.01); D04H 1/492 (2013.01); D04H 1/498 (2013.01); B32B 2250/20 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/0261 (2013.01); B32B 2262/0276 (2013.01); B32B 2262/144 (2021.05); B32B 2317/10 (2013.01); B32B 2323/10 (2013.01); B32B 2367/00 (2013.01); B32B 2377/00 (2013.01); D04H 1/4258 (2013.01); D04H 1/4291 (2013.01); D04H 1/4334 (2013.01); D04H 1/435 (2013.01); D10B 2201/24 (2013.01); D10B 2321/022 (2013.01);
Abstract

The invention relates to an installation and a method for selectively producing a single- or multi-ply nonwoven includes an inclined wire former configured to deposit a sheet of wet-laid fibre material on a first circulating belt, a further belt configured to receive the sheet of wet-laid fibre material from the first circulating belt, a roller card arranged downstream in the material transport direction and configured to introduce a roller card web into the installation, a hydroentanglement arranged downstream in the material transport direction and including at least one water beam configured to entangle, bond and/or structure a single sheet of fibres or a plurality of sheets of fibres, and a dryer arranged downstream in the material transport direction.


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