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:
Jul. 11, 2017
Filed:
Sep. 16, 2013
Applicant:
Hp Pelzer Holding Gmbh, Witten, DE;
Inventors:
Norbert Nicolai, Schermbeck-Gahlen, DE;
Rod Morris-Kirby, Cornwall, GB;
Marco Schneider, Essen, DE;
Uwe Kaiser, Dillingen, DE;
Reimund Piatkowski, Dortmund, DE;
Volkmar Schulze, Schierling, DE;
Assignee:
HP Pelzer Holding GMBH, Witten, DE;
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/84 (2006.01); G10K 11/168 (2006.01); B32B 3/26 (2006.01); B32B 5/02 (2006.01); B32B 5/18 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
E04B 1/84 (2013.01); B32B 3/266 (2013.01); B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 5/18 (2013.01); B32B 27/08 (2013.01); G10K 11/168 (2013.01); B32B 2262/02 (2013.01); B32B 2266/06 (2013.01); B32B 2307/102 (2013.01); B32B 2307/718 (2013.01); B32B 2307/72 (2013.01); B32B 2605/00 (2013.01);
Abstract
The invention concerns a multilayered perforated sound absorber () with a microperforated plastics film () and a thermally deformable absorber () which is a foam layer, a fabric or a fibrous non-woven layer. The invention further concerns a method for producing a corresponding sound absorber.