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:
Nov. 04, 2025
Filed:
Dec. 08, 2020
Applicant:
Andritz Kuesters Gmbh, Krefeld, DE;
Inventors:
Assignee:
ANDRITZ KUESTERS GMBH, Krefeld, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/498 (2012.01); D04H 1/4374 (2012.01); D04H 1/492 (2012.01); D04H 3/11 (2012.01); D04H 5/03 (2012.01); D04H 18/04 (2012.01);
U.S. Cl.
CPC ...
D04H 1/498 (2013.01); D04H 1/4374 (2013.01); D04H 1/492 (2013.01); D04H 3/11 (2013.01); D04H 5/03 (2013.01); D04H 18/04 (2013.01);
Abstract
A method for producing a composite nonwoven fabric having at least two layers, wherein a first layer is made of long fibers, and a second layer is made of short fibers. The method includes attaching, in a production line, the short fibers of the second layer to the long fibers of the first layer in a wet laid process via a headbox. The headbox has a round flow or cross flow distributor with a rotating or static turbulence generator.