EP 3606735 A1 20200212 - METHOD FOR PRODUCING COMPOSITE MATERIAL PARTS FROM NEEDLED PREFORMS
Title (en)
METHOD FOR PRODUCING COMPOSITE MATERIAL PARTS FROM NEEDLED PREFORMS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON VERBUNDSTOFFTEILEN AUS GENADELTEN VORFORMEN
Title (fr)
PROCÉDÉ DE RÉALISATION DE PIÈCES EN MATÉRIAU COMPOSITE À PARTIR DE PRÉFORMES AIGILLETÉES
Publication
Application
Priority
- FR 1770331 A 20170403
- FR 2018000086 W 20180330
Abstract (en)
[origin: WO2018185383A1] The present invention concerns a method for producing composite material parts comprising continuous fibres and a matrix composed of at least a first polymer, the method comprising - a step of producing a preform (101), formed from continuous fibres and the first polymer, - a step of applying non-woven filaments to at least a first main face (111) of the preform, - a step of needling said filaments by means of a needling device (5) comprising a plurality of needles (51), each having at least one notch, such that filaments are drawn by the needles and are arranged in a direction substantially perpendicular to the continuous fibres of the preform, and - a step of applying a heat treatment to the preform to obtain the composite material part.
IPC 8 full level
B29C 70/24 (2006.01)
CPC (source: EP)
B29C 70/24 (2013.01)
Citation (search report)
See references of WO 2018185383A1
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
FR 3064523 A1 20181005; FR 3064523 B1 20200717; EP 3606735 A1 20200212; WO 2018185383 A1 20181011
DOCDB simple family (application)
FR 1770331 A 20170403; EP 18721432 A 20180330; FR 2018000086 W 20180330