EP 2251859 B1 20140625 - Noise absorbing panel
Title (en)
Noise absorbing panel
Title (de)
Schallabsorbierendes Paneel
Title (fr)
Panneau absorbant le bruit
Publication
Application
Priority
IT BZ20090024 A 20090513
Abstract (en)
[origin: EP2251859A1] The panel has front grooves (2) exhibiting a form of recesses, boreholes and/or an opening and arranged in reference to rear grooves (1) at a rear surface (B). The rear grooves exhibit smallest depth in an area of a longitudinal edge (1a). The front grooves are arranged according to a longitudinal axis of the panel. The front grooves have a sufficient depth at a front surface (A) to maintain free passages (2a) in an overlapping area or a cross over area between the front and rear grooves. The passages are found in different levels corresponding to depth of the rear grooves.
IPC 8 full level
G10K 11/172 (2006.01); E04B 1/86 (2006.01)
CPC (source: EP)
E04B 1/86 (2013.01); E04B 2001/849 (2013.01); E04B 2001/8495 (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 SE SI SK SM TR
DOCDB simple family (publication)
EP 2251859 A1 20101117; EP 2251859 B1 20140625; IT 1393908 B1 20120517; IT BZ20090024 A1 20101114
DOCDB simple family (application)
EP 10004905 A 20100510; IT BZ20090024 A 20090513