EP 2054562 A1 20090506 - SOUND-ABSORBING ASSEMBLY
Title (en)
SOUND-ABSORBING ASSEMBLY
Title (de)
SCHALLDÄMPFUNGSANORDNUNG
Title (fr)
ENSEMBLE ACOUSTIQUEMENT ABSORBANT
Publication
Application
Priority
FR 2006001940 W 20060810
Abstract (en)
[origin: WO2008017737A1] The present invention relates to a sound-absorbing assembly designed to form, within an enclosure, at least one wall element, the assembly comprising at least one support provided with microperforations whose diameter is less than 2 mm. The assembly is characterized in that: the support (3, 3a, 3b) extends approximately parallel to an adjacent wall (1), and the sound assembly comprises at least two series of micro-perforations (d<SUB>1</SUB>, d<SUB>2</SUB>) distributed over said support (3, 3a, 3b).
IPC 8 full level
E04B 1/84 (2006.01)
CPC (source: EP)
E04B 1/8409 (2013.01); E04F 13/0867 (2013.01); E04B 2001/8281 (2013.01)
Citation (search report)
See references of WO 2008017737A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
WO 2008017737 A1 20080214; DK 2054562 T3 20130527; EP 2054562 A1 20090506; EP 2054562 B1 20130213
DOCDB simple family (application)
FR 2006001940 W 20060810; DK 06794322 T 20060810; EP 06794322 A 20060810