EP 0392407 A3 19920318 - SOUND-ABSORBING BODY
Title (en)
SOUND-ABSORBING BODY
Publication
Application
Priority
DE 3911561 A 19890408
Abstract (en)
[origin: EP0392407A2] Sound-absorbing body, consisting of at least one elastically deformable layer, such as rubber, plastic or the like, and at least one plastically pliable layer such as fleece, felt or the like, the elastically deformable layer consisting of a knitted web of plastic fibres and the knitted web being provided with projections in the form of embossed naps, superimposed granular parts or the like, while the plastically pliable layer made of fleece, felt or the like is provided with an impregnation having solid filling materials. <IMAGE>
IPC 1-7
IPC 8 full level
G10K 11/168 (2006.01); H04R 1/28 (2006.01)
CPC (source: EP)
G10K 11/168 (2013.01); H04R 1/288 (2013.01)
Citation (search report)
- [A] DE 3102870 A1 19820819 - GIEGER HANS JOACHIM
- [A] US 4769271 A 19880906 - SEKIMOTO MASAMI [JP]
- [A] FR 2432196 A1 19800222 - BOSCH SIEMENS HAUSGERAETE [DE]
- [A] EP 0037997 A1 19811021 - MESSERSCHMITT BOELKOW BLOHM [DE]
- [A] DE 1447125 A1 19710805 - KURTZE GUENTHER DIPL PHYS PROF
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0392407 A2 19901017; EP 0392407 A3 19920318; DE 3911561 A1 19901011
DOCDB simple family (application)
EP 90106732 A 19900407; DE 3911561 A 19890408