Global Patent Index - EP 0133926 B1

EP 0133926 B1 19870506 - BOTTOM ELECTRODE FOR A DIRECT CURRENT ARC FURNACE

Title (en)

BOTTOM ELECTRODE FOR A DIRECT CURRENT ARC FURNACE

Publication

EP 0133926 B1 19870506 (DE)

Application

EP 84108020 A 19840709

Priority

CH 413483 A 19830728

Abstract (en)

[origin: EP0133926A1] 1. Electric furnace, in particular a direct-current arc furnace for melting metals, with at least one bottom electrode (7a, b, c, d) which is cooled on its side facing away from the interior of the furnace vessel, characterized in that the ratio of the cross-section of the bottom electrode (7a, b, c, d) in the furnace vessel bottom (4) to the cross-section in the furnace hearth area (16) is selected to be greater than 1.4 : 1, preferably 2 : 1.

IPC 1-7

F27D 11/10; H05B 7/06

IPC 8 full level

F27D 11/10 (2006.01); H05B 7/06 (2006.01)

CPC (source: EP)

F27D 11/10 (2013.01); H05B 7/06 (2013.01)

Designated contracting state (EPC)

AT CH DE FR GB IT LI SE

DOCDB simple family (publication)

EP 0133926 A1 19850313; EP 0133926 B1 19870506; AT E27059 T1 19870515; DE 3463568 D1 19870611; IN 163928 B 19881210

DOCDB simple family (application)

EP 84108020 A 19840709; AT 84108020 T 19840709; DE 3463568 T 19840709; IN 72MA1985 A 19850128