Global Patent Index - EP 2385894 A1

EP 2385894 A1 20111116 - METHOD FOR MAKING AN ACOUSTIC ATTENUATION PANEL, IN PARTICULAR FOR AERONAUTICS

Title (en)

METHOD FOR MAKING AN ACOUSTIC ATTENUATION PANEL, IN PARTICULAR FOR AERONAUTICS

Title (de)

VERFAHREN ZUR HERSTELLUNG EINER SCHALLDÄMPFENDEN PLATTE, INSBESONDERE FÜR DIE AERONAUTIK

Title (fr)

PROCÉDÉ DE FABRICATION D'UN PANNEAU D'ATTÉNUATION ACOUSTIQUE, NOTAMMENT POUR L'AÉRONAUTIQUE

Publication

EP 2385894 A1 20111116 (FR)

Application

EP 09737033 A 20090826

Priority

  • FR 2009001033 W 20090826
  • FR 0807349 A 20081222

Abstract (en)

[origin: WO2010072903A1] The invention relates to a method for making an acoustic attenuation panel, comprising using at least one foam block (1), coating at least the acoustic surface of said foam block (1) with a fresh composite material (9), and making perforations (27; 27a, 27b, 27c, 27d, 27e) in the resulting coating.

IPC 8 full level

B29C 70/08 (2006.01); B29C 70/34 (2006.01); B29C 70/44 (2006.01); B29C 70/54 (2006.01); G10K 11/168 (2006.01)

CPC (source: EP US)

B29C 70/086 (2013.01 - EP US); B29C 70/34 (2013.01 - EP US); B29C 70/443 (2013.01 - EP US); B29C 70/545 (2013.01 - EP US); B29D 99/0021 (2013.01 - EP US); G10K 11/168 (2013.01 - EP US); B29K 2105/043 (2013.01 - EP US)

Citation (search report)

See references of WO 2010072903A1

Designated contracting state (EPC)

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)

FR 2940176 A1 20100625; FR 2940176 B1 20110211; BR PI0923268 A2 20160126; CA 2743352 A1 20100701; CN 102256770 A 20111123; EP 2385894 A1 20111116; RU 2011129699 A 20130127; RU 2519382 C2 20140610; US 2011254196 A1 20111020; WO 2010072903 A1 20100701

DOCDB simple family (application)

FR 0807349 A 20081222; BR PI0923268 A 20090826; CA 2743352 A 20090826; CN 200980151480 A 20090826; EP 09737033 A 20090826; FR 2009001033 W 20090826; RU 2011129699 A 20090826; US 200913141333 A 20090826