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. 06, 2023

Filed:

Dec. 21, 2016
Applicant:

Carl Freudenberg KG, Weinheim, DE;

Inventors:

Norbert Weis, Weinheim, DE;

Christoph Rieger, Schriesheim, DE;

Klaus Schwoebel, Schriesheim, DE;

Dieter Philipp, Schriesheim, DE;

Assignee:

CARL FREUDENBERG KG, Weinheim, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/541 (2012.01); D04H 1/485 (2012.01); D06C 23/04 (2006.01);
U.S. Cl.
CPC ...
D04H 1/5418 (2020.05); D04H 1/485 (2013.01); D06C 23/04 (2013.01); D06C 2700/31 (2013.01);
Abstract

A nonwoven includes: framework fibers; an at least in part fused thermoplastic material; and a thermally embossed mesh pattern having a plurality of intersecting embossed grooves, between which a plurality of embossed elevations are arranged. At least the framework fibers are staple fibers. An equivalent diameter of the embossed elevations is smaller than 50% of a fiber length of the framework fibers. A ratio of a width of the embossed grooves to a thickness of the nonwoven in a region of the embossed elevations is less than or equal to 4/5 A ratio of the width of the embossed grooves to a thickness of the nonwoven in a region of the embossed grooves is from 0.5 to 2.


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