EP 0833949 A1 19980408 - NOZZLE WITH A WELDED LANCE HEAD FOR MELT AGITATION
Title (en)
NOZZLE WITH A WELDED LANCE HEAD FOR MELT AGITATION
Title (de)
BLASLANZE MIT ANGESCHWEISSTEM DUESENKOPF ZUM AUFBLASEN VON GAS AUF BAEDER
Title (fr)
TUYERE DE SOUFFLAGE AVEC NEZ DE LANCE SOUDE POUR LE BRASSAGE DE BAINS
Publication
Application
Priority
- BE 9600068 W 19960624
- BE 9500556 A 19950623
Abstract (en)
[origin: WO9700973A1] A metallurgical or chemical oxygen nozzle including an oxygen lance head (1) for pointing at a metallurgical melt. The nozzle comprises a front surface (40) and an assembly of at least two substantially concentric tubes (20, 30), said front surface (40) being made of electrolytic copper. The front surface (40) is joined (52) to said tubes (20, 30) by high-energy welding, the head is made of a number of head elements each of which consists of a material specifically selected for the respective head element, and said head elements are all joined by high-energy welding.
IPC 1-7
IPC 8 full level
B23K 15/00 (2006.01); B23K 26/00 (2006.01); B23K 26/20 (2006.01); C21C 5/46 (2006.01); C21C 7/072 (2006.01)
CPC (source: EP KR US)
C21C 5/46 (2013.01 - KR); C21C 5/4606 (2013.01 - EP US); C21C 5/4646 (2013.01 - EP US)
Citation (search report)
See references of WO 9700973A1
Designated contracting state (EPC)
AT BE DE ES FR GB IT LU
DOCDB simple family (publication)
WO 9700973 A1 19970109; AT E182630 T1 19990815; AU 6295496 A 19970122; BE 1009743 A3 19970701; BR 9609351 A 19990615; CN 1064998 C 20010425; CN 1188513 A 19980722; DE 69603485 D1 19990902; DE 69603485 T2 20000427; EA 000183 B1 19981224; EA 199800081 A1 19980827; EP 0833949 A1 19980408; EP 0833949 B1 19990728; ES 2136423 T3 19991116; JP H11508324 A 19990721; KR 100447097 B1 20041106; KR 19990028357 A 19990415; US 6234406 B1 20010522
DOCDB simple family (application)
BE 9600068 W 19960624; AT 96921838 T 19960624; AU 6295496 A 19960624; BE 9500556 A 19950623; BR 9609351 A 19960624; CN 96194992 A 19960624; DE 69603485 T 19960624; EA 199800081 A 19960624; EP 96921838 A 19960624; ES 96921838 T 19960624; JP 50347797 A 19960624; KR 19970709672 A 19971223; US 43546999 A 19991108