Global Patent Index - EP 0468832 B1

EP 0468832 B1 19960103 - Furnace for holding the temperature and for metallurgical treatment

Title (en)

Furnace for holding the temperature and for metallurgical treatment

Title (de)

Ofen zum Halten der Temperatur und zur metallurgischen Behandlung

Title (fr)

Four de maintien en température et de traitement métallurgique

Publication

EP 0468832 B1 19960103 (FR)

Application

EP 91401742 A 19910627

Priority

FR 9008959 A 19900713

Abstract (en)

[origin: EP0468832A1] Furnace for holding the temperature and for metallurgical treatment of a metal in the liquid state, comprising a closed container for liquid metal, equipped with a burner of the oxygen-fuel type, a porous plug at the bottom of the container for injecting an inert stirring gas, and opening means for introducing and/or removing metallurgical treatment products, characterised in that the container is made in the shape of a thermally insulated enclosure (1) capable of tilting about a support axis (XY, with two passages with a vertical component, one (5) in the form of a chimney opening into the enclosure near the vault of the enclosure (1) and used for introducing liquid metal and metallurgical treatment products, the other in the shape of a spout opening at the bottom of the enclosure and whose high outlet comes into a position for tapping off the liquid metal in a tilted position of the said enclosure, the oxygen-fuel burner (17) being mounted at the vault. <IMAGE>

IPC 1-7

C21C 1/06; F27B 3/04; B22D 41/01

IPC 8 full level

C22B 9/16 (2006.01); B22D 1/00 (2006.01); B22D 41/01 (2006.01); C21C 1/06 (2006.01); F27B 3/04 (2006.01); F27B 3/06 (2006.01); F27B 3/20 (2006.01); F27D 3/16 (2006.01); F27D 27/00 (2010.01); F27D 99/00 (2010.01)

CPC (source: EP US)

B22D 1/005 (2013.01 - EP US); B22D 41/01 (2013.01 - EP US); C21C 1/06 (2013.01 - EP US); F27B 3/04 (2013.01 - EP US); F27D 27/00 (2013.01 - EP US); F27B 3/065 (2013.01 - EP US); F27D 2003/161 (2013.01 - EP US); F27D 2099/004 (2013.01 - EP US)

Designated contracting state (EPC)

BE DE ES FR IT

DOCDB simple family (publication)

EP 0468832 A1 19920129; EP 0468832 B1 19960103; AU 643537 B2 19931118; AU 8031591 A 19920116; CA 2046777 A1 19920114; DE 69116020 D1 19960215; DE 69116020 T2 19960515; ES 2080921 T3 19960216; FR 2664516 A1 19920117; FR 2664516 B1 19930618; JP H0599570 A 19930420; US 5160477 A 19921103; ZA 915336 B 19920429

DOCDB simple family (application)

EP 91401742 A 19910627; AU 8031591 A 19910710; CA 2046777 A 19910711; DE 69116020 T 19910627; ES 91401742 T 19910627; FR 9008959 A 19900713; JP 17120391 A 19910711; US 72724091 A 19910709; ZA 915336 A 19910709