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:
Apr. 04, 2017
Filed:
Jan. 31, 2013
Applicant:
Eleda S.r.l., Milan, IT;
Inventor:
Renato Caimi, Milan, IT;
Assignee:
ELEDA S.R.L., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/84 (2006.01); E04B 9/04 (2006.01); E04B 9/34 (2006.01); G10K 11/168 (2006.01); E04B 1/86 (2006.01); E04B 2/74 (2006.01); B32B 37/12 (2006.01); E04B 1/82 (2006.01); E04B 9/00 (2006.01);
U.S. Cl.
CPC ...
G10K 11/168 (2013.01); B32B 37/12 (2013.01); B32B 37/1284 (2013.01); E04B 1/86 (2013.01); E04B 2/7416 (2013.01); E04B 2/7437 (2013.01); B32B 2307/102 (2013.01); E04B 2002/7461 (2013.01);
Abstract
A sound-absorbing panel comprising a padding layer with heat-bonded synthetic fibers, wherein the padding layer has a first outer surface, a second outer surface and a first thickness, wherein the panel is made of said padding layer with no further layers of a different material between the first outer surface and the second outer surface, wherein the padding layer in at least one portion of panel has a variable density in a direction transverse to the first and second outer surfaces, the density being higher in proximity of the first and second outer layers thereof and being lower in proximity of its inner layer.