EP 2472018 B1 20200325 - Acoustically absorbing assembly
Title (en)
Acoustically absorbing assembly
Title (de)
Schalldämmungsanordnung
Title (fr)
Ensemble acoustiquement absorbant
Publication
Application
Priority
FR 1005190 A 20101230
Abstract (en)
[origin: EP2472018A1] The assembly (1) has two supports (3) formed with micro-perforations, and a support (2) formed without micro-perforations. The support without micro-perforations is not enclosed by the supports with micro-perforations. The supports with micro-perforations are superimposed with each other. The supports are formed of tensed layers constituted of films made of PVC. The supports consist of textile materials or any other flexible or rigid materials, where distance between the supports with micro-perforations is comprised between 10 and 90 mm.
IPC 8 full level
E04B 1/84 (2006.01); E04B 1/99 (2006.01); E04B 9/00 (2006.01); E04B 9/30 (2006.01); E04F 13/08 (2006.01); G10K 11/16 (2006.01)
CPC (source: EP)
E04B 1/8409 (2013.01); E04B 1/99 (2013.01); E04B 9/001 (2013.01); E04B 9/303 (2013.01); E04F 13/002 (2013.01); E04F 13/0867 (2013.01); G10K 11/16 (2013.01); G10K 11/168 (2013.01); E04B 2001/8281 (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
DOCDB simple family (publication)
EP 2472018 A1 20120704; EP 2472018 B1 20200325; ES 2790950 T3 20201030; FR 2970009 A1 20120706; FR 2970009 B1 20210611; PL 2472018 T3 20200810
DOCDB simple family (application)
EP 11195991 A 20111229; ES 11195991 T 20111229; FR 1005190 A 20101230; PL 11195991 T 20111229