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:
Oct. 23, 2001
Filed:
Jul. 26, 1999
Applicant:
Inventors:
Klaus Pfaffelhuber, Günzburg, DE;
Gerhard Köck, Kienberg, DE;
Stefan Lahner, Krumbach, DE;
Thomas Ruhe, Krumbach, DE;
Assignee:
Faist Automotive GmbH & Co. KG, Krumbach, DE;
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/82 ;
U.S. Cl.
CPC ...
E04B 1/82 ;
Abstract
A device for absorbing and/or damping sound waves has a system for damping and/or silencing sound waves provided with a thin vibratory layer (,) on the side facing the sound waves. In order to improve sound damping and silencing properties, even during a prolonged use with concomitant exposure to strong heat, the thin vibratory layer (,) is made of aluminum or an aluminum alloy and is 0.004 to 0.35 mm thick.