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:
Jan. 26, 2021
Filed:
Feb. 17, 2015
Applicant:
Carl Freudenberg KG, Weinheim, DE;
Inventors:
Peter Grynaeus, Birkenau, DE;
Gunter Scharfenberger, Frankenthal, DE;
Thomas Sattler, Wald-Michelbach, DE;
Assignee:
CARL FREUDENBERG KG, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/732 (2012.01); D04H 1/02 (2006.01); D04H 1/54 (2012.01); D04H 1/70 (2012.01); D04H 1/72 (2012.01); D04H 1/42 (2012.01); D04H 1/558 (2012.01); D04H 1/00 (2006.01); A47G 9/08 (2006.01); A47G 9/10 (2006.01); A47G 9/02 (2006.01); D04H 1/4266 (2012.01); D04H 1/435 (2012.01); D04H 1/4382 (2012.01);
U.S. Cl.
CPC ...
D04H 1/005 (2013.01); A47G 9/02 (2013.01); D04H 1/00 (2013.01); D04H 1/02 (2013.01); D04H 1/4266 (2013.01); D04H 1/435 (2013.01); D04H 1/4382 (2013.01); D04H 1/54 (2013.01); D04H 1/70 (2013.01);
Abstract
A nonwoven fabric has a volume-giving material, in particular fiber balls, down and/or fine feathers, and has a maximum tensile strength, measured according to DIN EN 29 073 at a mass per unit area of 50 g/min at least one direction, of at least 0.3 N/5 cm, in particular of 0.3 N/5 cm to 100 N/5 cm.