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:
Nov. 28, 2017
Filed:
Mar. 31, 2014
Applicant:
Tesa SE, Hamburg, DE;
Inventors:
Assignee:
tesa SE, Norderstedt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); B32B 27/28 (2006.01); B32B 7/12 (2006.01); H04R 7/10 (2006.01); C09J 7/02 (2006.01); H04R 31/00 (2006.01); C09D 171/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/285 (2013.01); B32B 7/12 (2013.01); B32B 27/288 (2013.01); C09D 171/00 (2013.01); C09J 7/0282 (2013.01); H04R 7/10 (2013.01); H04R 31/003 (2013.01); B32B 2250/40 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/10 (2013.01); B32B 2371/00 (2013.01); C08G 2650/40 (2013.01); C09J 2201/128 (2013.01); C09J 2433/00 (2013.01); C09J 2471/006 (2013.01); H04R 2307/025 (2013.01); H04R 2499/11 (2013.01);
Abstract
The invention relates to a composite for production of an acoustic membrane, wherein the composite comprises an internal carrier layer and at least two adhesive layers on the two surfaces of the carier layer, and wherein the carrier layer is a layer of a polyaryl ether ketone film; and also to a corresponding membrane for acoustic transducers.