EP 1053808 A4 20011219 - IMMERSION NOZZLE FOR CONTINUOUS CASTING OF STEEL
Title (en)
IMMERSION NOZZLE FOR CONTINUOUS CASTING OF STEEL
Title (de)
TAUCHDÜSE FÜR DAS STRANGGIESSEN
Title (fr)
TUYERE D'IMMERSION POUR COULEE EN CONTINU D'ACIER
Publication
Application
Priority
- JP 9900058 W 19990112
- JP 614398 A 19980114
- JP 13223998 A 19980514
Abstract (en)
[origin: WO9936213A1] An immersion nozzle for continuous casting of steel comprising, at the entire portion thereof, or at least a part of an inner hole portion thereof in contact with a molten steel, a spinel-periclase-C type refractory, particularly a spinel-periclase-graphite type refractory consisting of 50 to 95 wt% of spinel, 0 to 20 wt% of periclase, 5 to 30 wt% of graphite and not greater than 3 wt% of unavoidable impurities. The inner hole portion (1) and a portion (2) around its discharge port can be made of the spinel-periclase-graphite type refractory, a nozzle main body (10) can be made of an AG type refractory and a powder line portion (3) can be made of a ZrO2-C type refractory.
IPC 1-7
IPC 8 full level
B22D 41/54 (2006.01)
CPC (source: EP)
B22D 41/54 (2013.01)
Citation (search report)
- [X] DATABASE WPI Section Ch Week 198645, Derwent World Patents Index; Class L02, AN 1986-294412, XP002178497
- [A] DATABASE WPI Section Ch Week 197627, Derwent World Patents Index; Class L02, AN 1976-51331X, XP002178498
- See references of WO 9936213A1
Designated contracting state (EPC)
AT BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
WO 9936213 A1 19990722; EP 1053808 A1 20001122; EP 1053808 A4 20011219
DOCDB simple family (application)
JP 9900058 W 19990112; EP 99900164 A 19990112