Global Patent Index - EP 0154585 A2

EP 0154585 A2 19850911 - Method for casting a liquid metal.

Title (en)

Method for casting a liquid metal.

Title (de)

Verfahren zum Giessen eines flüssigen Metalles.

Title (fr)

Procédé de coulée d'un métal liquide.

Publication

EP 0154585 A2 19850911 (FR)

Application

EP 85400326 A 19850222

Priority

CA 448241 A 19840224

Abstract (en)

[origin: ES8602460A1] A protective gas shield is formed around steel, to prevent oxidn. from the moment of pouring to the moment of solidification, by use of liq. and/or solid and/or gaseous carbon dioxide. - In ingot casting, the ingot mould is purged with carbon dioxide and the molten steel is teemed into the mould under the protection of a carbon dioxide shield such that the mould is filled with a carbon dioxide cover which covers the steel until it solidifies. In this embodiment, the carbon dioxide shield may be (partially) replaced by an argon shield. - In continuous casting, the molten stream is protected by carbon dioxide from the moment of formation until the moment it solidifies.

[origin: ES8602460A1] A protective gas shield is formed around steel, to prevent oxidn. from the moment of pouring to the moment of solidification, by use of liq. and/or solid and/or gaseous carbon dioxide. - In ingot casting, the ingot mould is purged with carbon dioxide and the molten steel is teemed into the mould under the protection of a carbon dioxide shield such that the mould is filled with a carbon dioxide cover which covers the steel until it solidifies. In this embodiment, the carbon dioxide shield may be (partially) replaced by an argon shield. - In continuous casting, the molten stream is protected by carbon dioxide from the moment of formation until the moment it solidifies.

Abstract (fr)

Selon l'invention, on protège l'acier liquide, qui s'écoule en un courant à partier d'un récipient tel qu'une poche (A), soit dans une lingotière (B), soit dans un moule de coulée continue, en l'isolant de l'atmosphère environnante au moyen d'un écran d'anhydride carbonique. L'anhydride carbonique se décompose pour former un écran protecteur de gaz inerte. L'absorption d'oxygène par l'acier reste négligeable. Les moules ou lingotières utilisés pour recevoir l'aicer liquide versé par la poche sont purgés au moyen d'anhydride carbonique avant la coulée.

IPC 1-7

B22D 11/10; B22D 27/00

IPC 8 full level

B22D 7/12 (2006.01); B22D 1/00 (2006.01); B22D 11/10 (2006.01); B22D 11/106 (2006.01); B22D 23/00 (2006.01); B22D 27/00 (2006.01)

CPC (source: EP US)

B22D 11/106 (2013.01 - EP US); B22D 27/003 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0255450 A2 19880203; EP 0255450 A3 19880518; EP 0255450 B1 19900328; AT E51352 T1 19900415; AU 3904285 A 19850905; AU 573779 B2 19880623; DE 3576792 D1 19900503; EP 0154585 A2 19850911; EP 0154585 A3 19860226; ES 540622 A0 19851201; ES 8602460 A1 19851201; JP S60203338 A 19851014; US 4614216 A 19860930; ZA 85911 B 19850925

DOCDB simple family (application)

EP 87401801 A 19850222; AT 87401801 T 19850222; AU 3904285 A 19850221; DE 3576792 T 19850222; EP 85400326 A 19850222; ES 540622 A 19850222; JP 3301785 A 19850222; US 70375185 A 19850221; ZA 85911 A 19850206