Global Patent Index - EP 1243363 A2

EP 1243363 A2 20020925 - Die-casting method and die-casting apparatus

Title (en)

Die-casting method and die-casting apparatus

Title (de)

Druckgiessverfahren und Druckgiessmaschine

Title (fr)

Procédé et dispositif de coulée sous pression

Publication

EP 1243363 A2 20020925 (EN)

Application

EP 02006385 A 20020321

Priority

JP 2001083085 A 20010322

Abstract (en)

A method of producing a die-cast article by die-casting, the die-cast article having at least one of an inner and an outer circumferential surface, the method comprising the steps of: preparing a mold assembly (224, 226; 400, 402; 500, 502) including a hollow portion (280, 410, 510) having a molding surface (300, 420, 530) for molding one of the inner and outer circumferential surfaces of the die-cast article; closing the mold assembly to define therein a mold cavity (236, 426, 540) having a configuration corresponding to that of the die-cast article; subjecting the hollow portion to an elastic deformation in a direction toward the one of the inner and outer circumferential surfaces of the die-cast article to be produced; introducing a molten metal into the mold cavity while the hollow portion is subjected to the elastic deformation; opening the mold assembly and permitting the elastic deformation to be removed from the hollow portion after the molten metal has solidified; and removing the die-cast article from the mold assembly. An apparatus for practicing the method is also disclosed. <IMAGE>

IPC 1-7

B22D 17/24; B22D 17/22; B22D 17/20

IPC 8 full level

B22C 9/06 (2006.01); B22C 9/10 (2006.01); B22C 9/24 (2006.01); B22D 17/00 (2006.01); B22D 17/20 (2006.01); B22D 17/22 (2006.01); B22D 17/24 (2006.01); B22D 19/08 (2006.01)

CPC (source: EP KR US)

B22D 17/20 (2013.01 - EP US); B22D 17/2236 (2013.01 - EP US); B22D 17/24 (2013.01 - EP US); B22D 19/08 (2013.01 - KR)

Designated contracting state (EPC)

DE FR IT

DOCDB simple family (publication)

EP 1243363 A2 20020925; EP 1243363 A3 20030305; BR 0200894 A 20021105; CN 1387967 A 20030101; JP 2002283003 A 20021002; KR 20020075200 A 20021004; US 2002153120 A1 20021024

DOCDB simple family (application)

EP 02006385 A 20020321; BR 0200894 A 20020321; CN 02107798 A 20020322; JP 2001083085 A 20010322; KR 20010081661 A 20011220; US 10208102 A 20020319