EP 2289641 A1 20110302 - Method of co-extrusion of metal products and die set for carrying out the method
Title (en)
Method of co-extrusion of metal products and die set for carrying out the method
Title (de)
Verfahren zur Koextrusion von Metallprodukten und Matrize zur Durchführung des Verfahrens
Title (fr)
Procédé de co-extrusion de produits métalliques et filière pour la mise en oeuvre de ce procédé
Publication
Application
Priority
EP 09168462 A 20090824
Abstract (en)
The present invention relates to a method of co-extruding at least two metallic materials, a first and a second metallic material (1,4), into an extruded profile, wherein the first metallic material (1) forms an outer shell of the extruded profile and the second material (4) forms a core of the extruded profile, said core being bonded to the outer shell, and wherein the first and the second metallic material (1,4) are separated during at least part of the extrusion process. The invention also relates to a die set for carrying out the method.
IPC 8 full level
B21C 23/22 (2006.01); B21C 25/02 (2006.01); B21C 25/06 (2006.01)
CPC (source: EP)
B21C 23/22 (2013.01); B21C 25/02 (2013.01); B21C 33/004 (2013.01)
Citation (applicant)
- EP 1008406 A2 20000614 - BAYERISCHE MOTOREN WERKE AG [DE]
- WO 2008107000 A1 20080912 - ALCAN TECH & MAN LTD [CH], et al
- DE 102007038923 A1 20080221 - FRAUNHOFER GES FORSCHUNG [DE]
- DE 102007006156 B3 20080626 - FRAUNHOFER GES FORSCHUNG [DE]
Citation (search report)
- [X] JP H0352708 A 19910306 - SHOWA ALUMINUM CORP
- [X] JP S61266124 A 19861125 - KOBE STEEL LTD
- [AD] EP 1008406 A2 20000614 - BAYERISCHE MOTOREN WERKE AG [DE]
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
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 09168462 A 20090824