EP 0843045 A1 19980520 - Acoustic insulating panel
Title (en)
Acoustic insulating panel
Title (de)
Akustisches Isolatorpaneel
Title (fr)
Panneau d'isolation acoustique
Publication
Application
Priority
IT BO960593 A 19961119
Abstract (en)
An acoustic insulating panel (1) made of composite material and having a shell (8) in turn having a number of longitudinal reinforcing ribs (10, 13) and at least one layer (16, 17) of sound-absorbing material housed between two adjacent ribs (10, 13); the shell (8) being formed by bending thin sheet material; the layer (16, 17) of sound-absorbing material being sprayed or poured on, or applied by mechanically fastening and/or chemically bonding preformed elements; and the sound-absorbing material being replaced by or integrated with a further layer (18) of vibration-damping material. <IMAGE>
IPC 1-7
IPC 8 full level
E01F 8/00 (2006.01)
CPC (source: EP)
E01F 8/0011 (2013.01); E01F 8/0029 (2013.01); E01F 8/0058 (2013.01)
Citation (search report)
- [XY] CH 672932 A5 19900115 - MONTANA STAHL AG
- [YA] FR 2120702 A5 19720818 - LARMSCHUTZ BIERGANS CO
- [YA] US 5272284 A 19931221 - SCHMANSKI DONALD W [US]
- [A] US 4566558 A 19860128 - LINK JR JULIAN V [US], et al
- [A] FR 2311146 A1 19761210 - JUDEAUX ROBERT [FR]
- [A] DE 2935745 A1 19810723 - RINKER BAUFA WERKE [DE]
- [A] US 4495240 A 19850122 - MCCARTHY BRUCE C [US]
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0843045 A1 19980520; EP 0843045 B1 20040204; AT E259013 T1 20040215; DE 69727448 D1 20040311; DE 69727448 T2 20050113; ES 2213202 T3 20040816; IT 1286776 B1 19980717; IT BO960593 A0 19961119; IT BO960593 A1 19980519; SI 0843045 T1 20040831
DOCDB simple family (application)
EP 97830612 A 19971119; AT 97830612 T 19971119; DE 69727448 T 19971119; ES 97830612 T 19971119; IT BO960593 A 19961119; SI 9730638 T 19971119