EP 1842977 A1 20071010 - Sound-absorbing transparent panel
Title (en)
Sound-absorbing transparent panel
Title (de)
Transparente, schallabsorbierende Platte
Title (fr)
Panneau transparent à absorption sonore
Publication
Application
Priority
IT PG20060027 A 20060403
Abstract (en)
Sound absorbent panel of the type comprising a frame (1) to support at least a first front sheet (2) provided with a plurality of holes (12) and at least a second rear sheet (3) not perforated, substantially parallel with a said first sheet, and separated from the latter by a hollow air cavity, wherein said first sheet and said second sheet are realised in a material at least partially transparent The panel is characterised in that the holes of said first front sheet are micro-holes (6).
IPC 8 full level
CPC (source: EP)
E01F 8/0017 (2013.01); E04B 1/8409 (2013.01); E04B 1/86 (2013.01); E04B 2001/8452 (2013.01)
Citation (applicant)
DE 19717266 C1 19980409 - FRAUNHOFER GES FORSCHUNG [DE]
Citation (search report)
- [X] DE 19717266 C1 19980409 - FRAUNHOFER GES FORSCHUNG [DE]
- [X] DE 4315759 C1 19940505 - FRAUNHOFER GES FORSCHUNG [DE]
- [Y] DE 20006946 U1 20010816 - FAIST AUTOMOTIVE GMBH & CO KG [DE]
- [Y] JP H11323845 A 19991126 - KAM KK
- [A] DE 9116233 U1 19920617
- [A] EP 1029984 A1 20000823 - ROEHM GMBH [DE]
- [A] JP H02274906 A 19901109 - FURUKAWA ELECTRIC CO LTD
- [DA] EP 0890679 A2 19990113 - DIESELBOX SA [CH], et al
- [Y] FUCHS H V ET AL: "Eisatz mikro-perforierter Platten als Schallabsorber mit inhärenter Dämpfung", ACUSTICA, S. HIRZEL VERLAG, STUTTGART, DE, vol. 81, 1995, pages 107 - 116, XP002097650, ISSN: 0001-7884
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)
DOCDB simple family (application)
EP 07006825 A 20070402; IT PG20060027 A 20060403