EP 3231193 A1 20171018 - MULTI-LAYER COMPOUND FOR ACOUSTIC MEMBRANE
Title (en)
MULTI-LAYER COMPOUND FOR ACOUSTIC MEMBRANE
Title (de)
MEHRSCHICHT-VERBUND FÜR AKUSTISCHE MEMBRANEN
Title (fr)
COMPOSÉ MULTICOUCHES POUR MEMBRANE ACOUSTIQUE
Publication
Application
Priority
- DE 102014225579 A 20141211
- EP 2015076817 W 20151117
Abstract (en)
[origin: WO2016091542A1] The invention relates to a multi-layer composite for use as a membrane for electroacoustic transducers, comprising at least one first and one second outer layer (cover layer ), at least one of the cover layers (first cover layer) being made from a polypropylene sulfide-plastic, characterized such that the halogen content of the polyphenylene sulfide plastic (PPS-plastic ) does not exceed 550 ppm.
IPC 8 full level
H04R 7/10 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/28 (2006.01); B32B 27/32 (2006.01); B32B 27/40 (2006.01); C08J 5/18 (2006.01); H04R 7/02 (2006.01)
CPC (source: CN EP KR US)
B32B 7/12 (2013.01 - EP KR US); B32B 27/08 (2013.01 - EP KR US); B32B 27/285 (2013.01 - EP KR US); B32B 27/286 (2013.01 - EP KR US); B32B 27/288 (2013.01 - EP KR US); B32B 27/32 (2013.01 - EP KR US); B32B 27/40 (2013.01 - EP KR US); H04R 7/02 (2013.01 - CN EP US); H04R 7/06 (2013.01 - US); H04R 7/10 (2013.01 - CN EP KR US); B32B 2250/24 (2013.01 - EP US); B32B 2255/10 (2013.01 - EP US); B32B 2255/26 (2013.01 - EP US); B32B 2307/10 (2013.01 - EP US); B32B 2307/546 (2013.01 - EP US); B32B 2307/56 (2013.01 - EP US); B32B 2307/732 (2013.01 - EP US); B32B 2307/738 (2013.01 - EP US); B32B 2457/00 (2013.01 - EP US); F16C 2208/52 (2013.01 - US); H04R 2307/025 (2013.01 - CN EP KR US); H04R 2499/11 (2013.01 - CN EP KR US)
Citation (search report)
See references of WO 2016091542A1
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)
WO 2016091542 A1 20160616; CN 107211217 A 20170926; DE 102014225579 A1 20160616; EP 3231193 A1 20171018; JP 2018505585 A 20180222; JP 6506843 B2 20190424; KR 20170094304 A 20170817; TW 201625417 A 20160716; US 10397705 B2 20190827; US 2018270577 A1 20180920
DOCDB simple family (application)
EP 2015076817 W 20151117; CN 201580075181 A 20151117; DE 102014225579 A 20141211; EP 15804082 A 20151117; JP 2017531151 A 20151117; KR 20177018653 A 20151117; TW 104140032 A 20151201; US 201515534802 A 20151117