EP 1837861 A2 20070926 - Sound-absorbing material, production method of the same, and sound-absorbing-panel
Title (en)
Sound-absorbing material, production method of the same, and sound-absorbing-panel
Title (de)
Schallabsorbierendes Material, Herstellungsverfahren dafür und schallabsorbierende Platte
Title (fr)
Matériau d'absorption du son, son procédé de production, et panneau d'absorption du son
Publication
Application
Priority
JP 2006082534 A 20060324
Abstract (en)
In order to provide a sound-absorbing material and a sound-absorbing panel which can be produce at a low-cost and have excellent beauty or appearance and excellent sound-absorbing characteristics, the sound-absorbing material is applied which is made from a metallic plate member (2), and multiple pierced apertures of 200 µ m or smaller diameter are arranged along a board thickness on the plate-shaped member (2).
IPC 8 full level
G10K 11/16 (2006.01)
CPC (source: EP US)
G10K 11/172 (2013.01 - EP US)
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 MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1837861 A2 20070926; CN 101042865 A 20070926; JP 2007256750 A 20071004; US 2007235253 A1 20071011
DOCDB simple family (application)
EP 07005918 A 20070322; CN 200710087881 A 20070321; JP 2006082534 A 20060324; US 72385007 A 20070322