EP 0514246 B1 19950802 - Steel decarburation process in a vacuum treatment chamber and vacuum treatment chamber therefor.
Title (en)
Steel decarburation process in a vacuum treatment chamber and vacuum treatment chamber therefor.
Title (de)
Stahlabkohlungsverfahren in einer Vakuumbehandlungskammer und Vakuumbehandlungskammer dafür.
Title (fr)
Procédé de décarburation d'acier dans une enceinte de traitement sous vide et enceinte de traitement sous vide pour la mise en oeuvre du procédé.
Publication
Application
Priority
FR 9105753 A 19910513
Abstract (en)
[origin: EP0514246A1] Process for the decarburation of steel in a vacuum treatment chamber consisting of a bell-shaped upper part (4), of an intermediate ring (5) and of a lower part (6) in which the bath of metal (2) to be treated is located and which is equipped with two plungers (legs) (7, 8) which are immersed in the ladle (9) with steel containing all the metal (10) to be treated, characterised in that oxygen is blown horizontally over the bath of metal (2) to be treated, at the level of the intermediate ring (5), substantially at its centre. Vacuum steel treatment chamber in which at least two horizontal blast pipes (tuyeres) (11, 12) are provided in the intermediate ring (5) of the said chamber, substantially at its centre. <IMAGE>
IPC 1-7
IPC 8 full level
C21C 7/10 (2006.01); F27D 25/00 (2010.01)
CPC (source: EP KR US)
C21C 7/10 (2013.01 - EP KR US); F27D 25/008 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0514246 A1 19921119; EP 0514246 B1 19950802; AT E125933 T1 19950815; CA 2087179 A1 19921114; CA 2087179 C 20020702; DE 69203788 D1 19950907; DE 69203788 T2 19960111; ES 2076705 T3 19951101; FR 2676458 A1 19921120; FR 2676458 B1 19940304; KR 100232912 B1 19991201; KR 930701721 A 19930612; TW 202482 B 19930321; US 5332417 A 19940726; WO 9220986 A1 19921126
DOCDB simple family (application)
EP 92401278 A 19920507; AT 92401278 T 19920507; CA 2087179 A 19920507; DE 69203788 T 19920507; ES 92401278 T 19920507; FR 9105753 A 19910513; FR 9200416 W 19920507; KR 930700079 A 19930112; TW 81103610 A 19920509; US 96606093 A 19930311