EP 2896038 A1 20150722 - MULTILAYERED PERFORATED SOUND ABSORBER
Title (en)
MULTILAYERED PERFORATED SOUND ABSORBER
Title (de)
MEHRLAGIGER GELOCHTER SCHALLABSORBER
Title (fr)
ABSORBEUR DE BRUIT PERFORÉ MULTICOUCHE
Publication
Application
Priority
- DE 102012216500 A 20120917
- EP 2013069131 W 20130916
Abstract (en)
[origin: WO2014041163A1] The invention concerns a multilayered perforated sound absorber (1) with a micro-perforated plastics film (4) and a thermally deformable absorber (3) 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.
IPC 8 full level
G10K 11/168 (2006.01)
CPC (source: EP RU US)
B32B 3/266 (2013.01 - US); B32B 5/022 (2013.01 - US); B32B 5/024 (2013.01 - US); B32B 5/18 (2013.01 - US); B32B 27/08 (2013.01 - US); E04B 1/84 (2013.01 - US); G10K 11/168 (2013.01 - EP RU US); B32B 2262/02 (2013.01 - US); B32B 2266/06 (2013.01 - US); B32B 2307/102 (2013.01 - US); B32B 2307/718 (2013.01 - US); B32B 2307/72 (2013.01 - US); B32B 2605/00 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102012216500 A1 20140320; BR 112015005557 A2 20170704; BR 112015005557 B1 20211207; CN 104704555 A 20150610; CN 104704555 B 20170818; EP 2896038 A1 20150722; IN 1978DEN2015 A 20150814; JP 2015534113 A 20151126; JP 6120388 B2 20170426; KR 102070712 B1 20200129; KR 20150056774 A 20150527; MX 2015003027 A 20150610; MX 342149 B 20160915; RU 2015113976 A 20161110; RU 2639594 C2 20171221; US 2015267401 A1 20150924; US 9702141 B2 20170711; WO 2014041163 A1 20140320
DOCDB simple family (application)
DE 102012216500 A 20120917; BR 112015005557 A 20130916; CN 201380048152 A 20130916; EP 13762143 A 20130916; EP 2013069131 W 20130916; IN 1978DEN2015 A 20150311; JP 2015531588 A 20130916; KR 20157006460 A 20130916; MX 2015003027 A 20130916; RU 2015113976 A 20130916; US 201314426556 A 20130916