EP 3804873 A4 20220330 - METHOD AND DIE APPARATUS USED FOR PRODUCING WIDE MAGNESIUM PLATES
Title (en)
METHOD AND DIE APPARATUS USED FOR PRODUCING WIDE MAGNESIUM PLATES
Title (de)
VERFAHREN UND STEMPELVORRICHTUNG ZUR HERSTELLUNG VON BREITEN MAGNESIUMPLATTEN
Title (fr)
PROCÉDÉ ET APPAREIL DE MATRICE UTILISÉS POUR PRODUIRE DE LARGES PLAQUES DE MAGNÉSIUM
Publication
Application
Priority
- CN 201811469436 A 20181127
- CN 2019101914 W 20190822
Abstract (en)
[origin: EP3804873A1] A method and a die apparatus for producing wide magnesium sheets, the die apparatus comprising at least an inner container (1) provided with a billet processing cavity, wherein the billet processing cavity comprises a die cavity (101), a forward extruding area (102), a multi-corner equal channel angular extruding area (103) and a magnesium sheet outlet (104) which are sequentially connected; wherein the forward extruding area (102) is a tapered structure with a larger top and a smaller bottom, and the multi-corner equal channel angular extruding area (103) has at least two corners.
IPC 8 full level
B21C 25/02 (2006.01); B21C 23/02 (2006.01); B21C 29/00 (2006.01); B21C 29/02 (2006.01); B21C 31/00 (2006.01)
CPC (source: CN EP)
B21C 23/001 (2013.01 - EP); B21C 23/002 (2013.01 - EP); B21C 23/02 (2013.01 - CN); B21C 23/06 (2013.01 - EP); B21C 23/32 (2013.01 - EP); B21C 25/02 (2013.01 - CN EP); B21C 29/003 (2013.01 - EP); B21C 29/02 (2013.01 - EP); B21C 31/00 (2013.01 - EP)
Citation (search report)
- [Y] CN 206083461 U 20170412 - UNIV HUNAN SCI & TECHNOLOGY
- [Y] CN 102389906 B 20131225 - UNIV TSINGHUA, et al
- [Y] CN 108213104 A 20180629 - HARBIN INST TECHNOLOGY
- [Y] CN 107427603 A 20171201 - BOSTON SCIENT SCIMED INC
Citation (examination)
- US 2003232246 A1 20031218 - LALIBERTE RICHARD [CA], et al
- US 4040162 A 19770809 - ISOGAI MITSUYUKI, et al
- CN 101850376 B 20120725 - CHANGZHOU INST TECHNOLOGY
- CN 107597869 A 20180119 - UNIV TAIYUAN TECHNOLOGY
- See also references of WO 2020107959A1
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
DOCDB simple family (publication)
EP 3804873 A1 20210414; EP 3804873 A4 20220330; CN 109513762 A 20190326; WO 2020107959 A1 20200604
DOCDB simple family (application)
EP 19889460 A 20190822; CN 201811469436 A 20181127; CN 2019101914 W 20190822