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:
Dec. 29, 2015
Filed:
Aug. 23, 2012
Applicants:
Yoshihiko Takeda, Miyagi, JP;
Jiro Hattori, Atsugi, JP;
Toshifumi Sakai, Tokyo, JP;
Inventors:
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/16 (2006.01); G10K 11/00 (2006.01); B32B 7/12 (2006.01); B32B 27/12 (2006.01); B32B 3/26 (2006.01); E04B 1/84 (2006.01); B32B 17/06 (2006.01); E04B 1/82 (2006.01);
U.S. Cl.
CPC ...
G10K 11/002 (2013.01); B32B 3/266 (2013.01); B32B 7/12 (2013.01); B32B 17/06 (2013.01); B32B 27/12 (2013.01); E04B 1/8409 (2013.01); G10K 11/16 (2013.01); B32B 2262/101 (2013.01); B32B 2307/10 (2013.01); B32B 2307/102 (2013.01); B32B 2419/00 (2013.01); B32B 2451/00 (2013.01); E04B 2001/8281 (2013.01); E04B 2001/848 (2013.01); E04B 2001/8461 (2013.01);
Abstract
An acoustic decorative sheet includes a film layer, a glass cloth layer, and an adhesive layer separating the film layer from the glass cloth layer. The adhesive layer is adhered to the film layer and the glass cloth layer. The film layer and the adhesive layer have a plurality of micro bores disposed there through. The micro bores have a diameter in a range from 20 to 500 micrometers and number from 2 to 700 microbores per cm. An acoustic assembly includes the acoustic decorative sheet, a substrate; and an air gap at least partially separating the acoustic decorative sheet from the substrate.