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:
Feb. 14, 2023
Filed:
Sep. 11, 2017
Applicants:
Voith Patent Gmbh, Heidenheim, DE;
Truetzschler Gmbh & Co.kg, Moenchengladbach, DE;
Inventors:
Assignees:
Voith Patent GmbH, Heidenheim, DE;
Truetzschler GmbH & Co. KG, Moenchengladbach, DE;
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/492 (2012.01); D04H 1/485 (2012.01); D04H 1/732 (2012.01); D04H 18/04 (2012.01);
U.S. Cl.
CPC ...
D04H 1/492 (2013.01); D04H 1/485 (2013.01); D04H 1/732 (2013.01); D04H 18/04 (2013.01);
Abstract
A method of manufacturing a wet-laid nonwoven web includes the following steps: feeding a pulp suspension onto a forming screen for depositing a fibrous web thereon, wherein the pulp suspension has industrially produced, inorganic fibers or fibers of synthetically produced polymers and the pulp suspension is substantially free from binders, such as chemical binders, and hydraulic consolidation of the fibrous web to generate the nonwoven web through water jet needling of the fibrous web.