Global Patent Index - EP 2289641 B1

EP 2289641 B1 20121128 - 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

EP 2289641 B1 20121128 (EN)

Application

EP 09168462 A 20090824

Priority

EP 09168462 A 20090824

Abstract (en)

[origin: EP2289641A1] 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)

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)

EP 2289641 A1 20110302; EP 2289641 B1 20121128

DOCDB simple family (application)

EP 09168462 A 20090824