Global Patent Index - EP 2938793 A1

EP 2938793 A1 20151104 - WALL COMPRISING A DUSTPROOF ACOUSTICALLY ABSORBING ASSEMBLY

Title (en)

WALL COMPRISING A DUSTPROOF ACOUSTICALLY ABSORBING ASSEMBLY

Title (de)

WAND UMFASSEND EINE STAUBDICHTE SCHALLDÄMMUNGSANORDNUNG

Title (fr)

PAROI COMPRENANT UN ENSEMBLE ETANCHE ET ACOUSTIQUEMENT ABSORBANT

Publication

EP 2938793 A1 20151104 (FR)

Application

EP 13805450 A 20131031

Priority

  • FR 1262985 A 20121231
  • FR 2013052615 W 20131031

Abstract (en)

[origin: WO2014102473A1] The invention relates to an acoustic absorbent assembly (10) used to form a wall element inside a building, that can be fixed to at least one wall in order to form false walls, comprising two parallel fabrics (11, 12) that are assembled on the periphery on an attachment means, said fabrics (11, 12) respectively defining an inner fabric (12) and an outer fabric (11) when the assembly is fixed to the wall, one of the fabrics (12, 11) being free of perforations, the acoustic absorbent assembly (109 being characterised in that the outer fabric (11) is arranged at a determined distance from the inner fabric (12) and comprises micro-perforations (2) arranged so as to form an acoustic fabric.

IPC 8 full level

E04B 1/86 (2006.01); E04B 1/82 (2006.01); E04B 1/84 (2006.01); E04B 9/30 (2006.01); F21V 33/00 (2006.01)

CPC (source: EP US)

E04B 1/84 (2013.01 - US); E04B 1/8409 (2013.01 - EP US); E04B 1/86 (2013.01 - EP US); E04B 9/303 (2013.01 - EP US); E04B 2001/8281 (2013.01 - EP US); E04B 2001/8433 (2013.01 - EP US); E04B 2001/8452 (2013.01 - EP US); F21V 33/006 (2013.01 - EP US)

Citation (search report)

See references of WO 2014102473A1

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 2014102473 A1 20140703; AU 2013369101 A1 20150702; AU 2013369101 B2 20180510; CA 2896767 A1 20140703; CA 2896767 C 20210413; CN 105051295 A 20151111; CN 111636578 A 20200908; DK 2938793 T3 20200803; EP 2938793 A1 20151104; EP 2938793 B1 20200527; ES 2811066 T3 20210310; FR 3000509 A1 20140704; FR 3000509 B1 20150116; HK 1216262 A1 20161028; JP 2016508195 A 20160317; JP 6318387 B2 20180509; PL 2938793 T3 20210111; PT 2938793 T 20200824; US 10260231 B2 20190416; US 2015330073 A1 20151119

DOCDB simple family (application)

FR 2013052615 W 20131031; AU 2013369101 A 20131031; CA 2896767 A 20131031; CN 201380068802 A 20131031; CN 202010522856 A 20131031; DK 13805450 T 20131031; EP 13805450 A 20131031; ES 13805450 T 20131031; FR 1262985 A 20121231; HK 16104253 A 20160414; JP 2015550127 A 20131031; PL 13805450 T 20131031; PT 13805450 T 20131031; US 201314652559 A 20131031