EP 4395983 A1 20240710 - ACOUSTIC PANEL HAVING OBLIQUE CAVITIES
Title (en)
ACOUSTIC PANEL HAVING OBLIQUE CAVITIES
Title (de)
AKUSTIKPLATTE MIT SCHRÄGEN HOHLRÄUMEN
Title (fr)
PANNEAU ACOUSTIQUE À CAVITÉS OBLIQUES
Publication
Application
Priority
- FR 2109018 A 20210830
- FR 2022051605 W 20220824
Abstract (en)
[origin: WO2023031540A1] The invention relates to an acoustic panel (20) comprising a first group of cavities (31) oriented towards a front end of the panel (20) and a second group of cavities (31B) oriented towards a rear end of the panel (20).
IPC 8 full level
B32B 3/04 (2006.01); B32B 3/12 (2006.01); B32B 3/26 (2006.01); B32B 5/14 (2006.01); B32B 15/14 (2006.01); B64D 33/02 (2006.01)
CPC (source: EP)
B32B 3/04 (2013.01); B32B 3/12 (2013.01); B32B 3/266 (2013.01); B32B 5/142 (2013.01); B32B 15/14 (2013.01); B64D 33/02 (2013.01); B64D 33/06 (2013.01); F02C 7/045 (2013.01); F02K 1/827 (2013.01); B32B 2250/40 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/02 (2013.01); B32B 2262/101 (2013.01); B32B 2262/103 (2013.01); B32B 2307/102 (2013.01); B32B 2605/18 (2013.01); B64D 2033/0206 (2013.01); B64D 2033/0286 (2013.01); F05D 2240/40 (2013.01); F05D 2250/314 (2013.01)
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
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
FR 3126340 A1 20230303; FR 3126340 B1 20231103; CN 117897270 A 20240416; EP 4395983 A1 20240710; WO 2023031540 A1 20230309
DOCDB simple family (application)
FR 2109018 A 20210830; CN 202280058999 A 20220824; EP 22773275 A 20220824; FR 2022051605 W 20220824